The nitroparaffins, nitromethane, nitropropane, etc. 2011. In 1920, Herman introduced calcium hydroxide to dentistry as a pulp-capping ma-terial but today it is used widely in the field of endodontics [2] [3]. Calcium hydrate, Caustic lime, Hydrated lime, Slaked lime White, odorless powder. Genium. Calcium hydroxide. 2007. 3 Effective date : 12.14.2014 Page 2 of 7 Calcium Hydroxide, Created by Global Safety Management, Inc. -Tel: 1-813-435-5161 - www.gsmsds.com This chemical is very corrosive, and it … Specifications of Calcium Hydroxide. Product name : Calcium Hydroxide CAS-No. SECTION XIV - TRANSPORT INFORMATION SEA TRANSPORTATION: IMCO #: Not regulated UN #: Not regulated Substance(s) determined hazard: Not regulated Material Safety Data Sheet or SDS for Calcium hydroxide 102047 from Merck for download or viewing in the browser. Calcium dihydroxide is composed of one calcium cation and two hydroxide anions. Appropriate engineering controls Appropriate engineering controls : Ensure good ventilation of the work station. Remove contaminated clothes. Page 1 of 7. MSDS Sheet – Calcium Hydroxide. MATERIAL SAFETY DATA SHEET. The inorganic compound is of ionic crystalline chemical character. Calcium hydroxide (CAS TWA 5 mg/m3 1305-62-0) US. Ecological Information. Limewater . Eng. First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention. OECD (Organisation for Economic Co-operation and Development). NIOSH: Pocket Guide to Chemical Hazards Components Type Value Form Calcium carbonate, TWA 5 mg/m3 Respirable. List of Regulated Toxic and Flammable Substances and Thresholds for Accidental Release Prevention. Calcium hydroxide, solution (CAS No. Repeated or prolonged inhalation of dust particles may cause effects on the lungs. UN proper shipping name : Corrosive liquid, basic inorganic, N.O.S. After preliminary consultation, the proposed threshold for strong acids and bases has been increased to 3 tonnes with a concentration set at 0.1%. synthetic (CAS 471-34-1) 10 mg/m3 Total Calcium hydroxide (CAS TWA 5 mg/m3 1305-62-0) Biological limit values No biological exposure limits noted for the ingredient(s). Calcium hydroxide has been used by dentists in the clinical practice for over a century [1]. 2006. Tennessee. To determine if a substance is a candidate to be added to the Environmental Emergency Regulations, Environment Canada has developed a risk evaluation methodology based on the following hazard categories: For more information on the methodology for setting threshold quantities in the Environmental Emergency Regulations, please refer to Summary of Risk Evaluation Framework for Determining Quantity Thresholds and Concentrations for Substances under the Environmental Emergency Regulations. [Note: Readily absorbs CO2 from the air to form calcium carbonate.] The substance is irritating to the respiratory tract. ab11 5dq t -44 (0)1224-584336 f -44 (0)1224-576119 Occupational Exposure Total dust. Safety Data Sheet Calcium Hydroxide/Lime SDS Section 1. In no event shall Supplier be responsible for damages of any nature whatsoever resulting Environmental exposure controls : Avoid release to the environment. Environmental hazards Marine pollutant #1 : NAP 14.6. You assume the entire risk of relying on this Information. Calcium dihydroxide is a … requires further investigation). This quantity for spills of 3 tonnes in NEMISIS is also the same as the quantity recommended by TDG for their ERAP for sulphuric acid, nitric acid, hydrobromic acid and perchloric acid (Environment Canada, 2015). # EC# IUPAC Name WT % Calcium Hydroxide 1305-62-0 / 215-137-3 calcium dihydroxide 100 Refer to Section 16 for the full text of the GHS and H phrases and EUClassifications and R Phrases. Chemical dangers H318 Causes serious eye damage. # EC# IUPAC Name WT % Calcium Hydroxide 1305-62-0 / 215-137-3 calcium dihydroxide 100 Refer to Section 16 for the full text of the GHS and H phrases and EUClassifications and R Phrases. The nitroparaffins, nitromethane, nitropropane, etc. The dry salts are explosive [Chem. IDENTIFICATION Calcium Hydroxide is a soft, white, powdery material with a Calcium hydroxide solutions can cause chemical burns. Print Share on: Evidence. Environment Canada. form salts with inorganic bases such as CALCIUM HYDROXIDE. U.S. EPA (U.S. Environmental Protection Agency). Refer for medical attention. Consult a physician. Safety Data Sheet Calcium Hydroxide/Lime SDS Section 1. OELs. Medical observation is indicated. Physical: flammable and combustible or oxidizing substances, or those having a potential to cause vapour cloud explosions or pool fires. SAFETY DATA SHEET (REGULATION (EC) n° 1907/2006 - REACH) Version 3.2 (04/03/2014) - Page 2/9 PRODUITS DENTAIRES SA Name : CALCIUM HYDROXIDE POWDER - ART.11025 Product identifiers : EC 215-137-3 HYDROXYDE DE CALCIUM Hazard statements : H315 Causes skin irritation. benign, health . ab11 5dq t -44 (0)1224-584336 f -44 (0)1224-576119 The proposed threshold at 3 tonnes has been extended for bases as well. In no event shall Supplier be responsible for damages of any nature whatsoever resulting * Breathing Calcium Hydroxide can irritate the nose, throat and lungs causing coughing, wheezing and/or shortness of breath. Repeated or prolonged contact with skin may cause dermatitis. Product Identification. : 1305-62-0 1.2 Relevant identified uses of the substance or mixture and uses advised against Identified uses : Laboratorychemicals, Industrial & for professional use only. 1994. 2010. Then store and dispose of according to local regulations. Transport hazard class(es) Hazard classification : 8 14.4. 4. COMPOSITION AND INFORMATION ON INGREDIENTS Hazardous Components C.A.S. For example, the threshold will be compared to other provincial and federal legislation or voluntary programs that may already provide adequate management of the risk from an environmental emergency. This behavior is relevant to cement pastes. Blisters. Some potential for hazards to health or the environment. Rinse skin with plenty of water or shower. Dentsply Sirona Pty Ltd Chemwatch Hazard Alert Code: 2 Dycal Radiopaque Calcium Hydroxide - Base Paste Chemwatch: 4993-50 Version No: 2.1.1.1 Safety Data Sheet according to WHS and ADG requirements Issue Date: 27/06/2017 Print Date: 04/01/2018 S.GHS.AUS.EN SECTION 1 IDENTIFICATION OF THE SUBSTANCE / MIXTURE AND OF THE COMPANY / UNDERTAKING Sweep spilled substance into covered containers. * Contact can severely irritate and burn the skin and eyes with possible eye damage. Calcium hydroxide SDS Safety Data Sheet for Calcium hydroxide 102047. U.S. EPA (U.S. Environmental Protection Agency). Personal protection: particulate filter respirator adapted to the airborne concentration of the substance. Decomposes at 580°CRelative density (water = 1): 2.2 Solubility in water: none. low . CALCIUM HYDROXIDE TWA 5 mg/m3 US. Product Name: Hydrated Lime (Calcium Hydroxide) UN/MA#: N/A DOT Hazard Class: N/A TYPICAL CHEMICAL COMPOSITION Because calcium hydroxide, solution is not classified in any group of International Agency for Research on Cancer (IARC, 2014) or the U.S. Environmental Protection Agency (U.S. EPA, 2005), and because the substance does not have an identified half-life (no half-life data were available during the data gathering process), no threshold is set for the carcinogenicity of this substance. Environmental Emergency Regulations, Canadian Environmental Protection Act, 1999. Calcium hydrate, Caustic lime, Hydrated lime, Slaked lime White, odorless powder. Safety Data Sheet according to 29CFR1910/1200 and GHS Rev. Following the risk evaluation, Environment Canada recommends that this substance be proposed for addition to Schedule 1 of the Environmental Emergency Regulations at a threshold quantity of 3 tonnes with a minimal concentration of 0.1% and at a pH ≥ 11.5. Human Health: substances that are toxic by inhalation, are carcinogenic, or are corrosive. Eng. PROP 65 Hazard statement(s ) H315 Causes skin irritation. 1305-62-0 Calcium Hydroxide 39% Irritant (Xi) R 36 / 38 Skin irritation; 2 Eye irritation; 2 4.0 First Aid Measures 4.1 Special Instructions Show this safety data sheet to medical personnel. © ILO and WHO 2017. Limewater is a saturated solution of calcium hydroxide, less than 0.02 M. IRRITANT. Routes of exposure Risk Assessment Forum. PRODUCT AND COMPANY IDENTIFICATION Product Name: Calcium Hydroxide; Lime CAS#: 1305-62-0 ... environment, and for health and safety purposes. However, limewater is usually made in schools by adding excess solid calcium hydroxide (or oxide) to water. COLOURLESS CRYSTALS OR WHITE POWDER. SAFETY DATA SHEET 1. Roughness. The new threshold has been harmonized with the Transportation of Dangerous Goods Regulations (TDG) for their Emergency Response Assistance Plan (ERAP) index of 3,000 liters or approximately 3 tonnes (Transport Canada, 2008). COMPOSITION AND INFORMATION ON INGREDIENTS Hazardous Components C.A.S. May also have poor ingredient disclosure. You assume the entire risk of relying on this Information. A proposed threshold of 3 tonnes with a minimum concentration of 0.1% and at a pH ≥ 11.5 is assigned for calcium hydroxide, solution based on its assessed corrosiveness. Washington (DC). Registered on December 8, 2011. 1.3 Details of the supplier of the safety data sheet Company : Central Drug House (P) Ltd 7/28 Vardaan House New Delhi-10002 INDIA For additional information on toxicity from scientific journals or registration documents, see the "Additional Resources for Toxicity " section of the chemical detail page. form salts with inorganic bases such as CALCIUM HYDROXIDE. with the financial assistance of the European Commission. Government of Canada. calcium dihydroxide, calcium dihyrdroxide, calcium hydrate, calcium hydroxide, calcium hydroxide (ca(oh)2), hydrated lime, and lime water Cancer Cancer: Ingredients linked to cancer in government, industry or academic studies or assessments. The substance has a measured pH equal to or greater than 11.5, therefore a threshold of 3 tonnes applies. Redness. Calcium Hydroxide SDS GHS, MSDS Sheet, Material Safety Data Sheet. Refer for medical attention . This methodology was not used because pH ≤ 2 or pH ≥ 11.5 are considered corrosive to aquatic life. Ketcheson K, Shrives J. Solution . [Note: Readily absorbs CO2 from the air to form calcium carbonate.] 77, No. Calcium hydroxide-based preparations present minimal hazard in the quantities provided. Environment Canada. EUH070 Toxic by eye contact. Therefore, no threshold is set for this substance as a result of its potential for flammability or combustibility. 1305-62-0 Calcium Hydroxide 39% Irritant (Xi) R 36 / 38 Skin irritation; 2 Eye irritation; 2 4.0 First Aid Measures 4.1 Special Instructions Show this safety data sheet to medical personnel. Contains Calcium Hydroxide 3. If not breathing, give artificial respiration. 8.2.2 Environmental exposure controls Avoid release into environment; calcium hydroxide may cause pH variation. Even a saturated solution of calcium hydroxide is so dilute that it is not classed as IRRITANT, despite pH = 12.4. The threshold quantity and its respective concentration will not be finalized until after public consultation. Limits, Table Z1A (06 2008) CALCIUM HYDROXIDE - TWA 5 mg/m3 US. Indicates high toxicity in the given toxicological category. Special Fire Fighting Procedures:Fire fighters should wear full protective clothing and self-contained breathing apparatus. Therefore, no threshold is set for the inhalation toxicity to humans. Grade D. High Concern. Calcium hydroxide contains alkaline material potentially toxic to aquatic life at high concentrations. Comparison of Threshold Quantities for Substances with Final AEGL-2 and IDLH Values under CEPA’s Environmental Emergency Regulations. One publication by the United States Environmental Protection … The substance is corrosive to the eyes and skin. OELs. Federal Register, 59(20). Bases are chemically similar to sodium hydroxide (NaOH) or sodium oxide (Na2O). Record Number 10. Calcium hydroxide, solution is practically non-bioaccumulative according to our risk evaluation methodology (Environment Canada, 2015). Even if the quantity of a substance in use is below the threshold quantity indicated in the Environmental Emergency Regulations, Environment Canada recommends that emergency planning be applied to this substance in order to minimize, or prevent, any impacts on humans or the environment in the event of a release of the substance. 3 Effective date : 12.14.2014 Page 2 of 7 Calcium Hydroxide, Created by Global Safety Management, Inc. -Tel: 1-813-435-5161 - www.gsmsds.com IARC Monographs Database on Cancer Risks to Humans. Fever, sneezing, runny nose, sore throat, and pneumonia are some of the severe consequences of coming in contact with this chemical. Molecular mass: 74.1 Canadian Centre for Occupational Health and Safety (CCOHS). (Calcium hydroxide mixture) 14.3. Environment Canada. pp. Calcium hydroxide-based preparations present minimal hazard in the quantities provided. Fresh air, rest. Packing group Packing group : III 14.5. news 30:2344 1952]. FIRST-AID MEASURES Routes of Exposure First Aid Instructions Calcium hydroxide, solution is classified as beingpractically non-persistent in water according to our risk evaluation methodology (Environment Canada, 2015). Hazard classification & labelling Hazard classification and labelling. 843-861. The substance can be absorbed into the body by inhalation of its aerosol and by ingestion. To minimize environmental impacts, many researchers and government agencies emphasize the importance of using smaller quantities of deicers to increase the efficiency of mechanical ice removal instead of melting ice completely in place and producing high volumes of deicer-saturated run off. One spill of sulfuric acid was identified as having a “major” impact at 4.5 tonnes. They neutralize acids exothermically to … 2001. synthetic (CAS 471-34-1) 10 mg/m3 Total Calcium hydroxide (CAS TWA 5 mg/m3 1305-62-0) Biological limit values No biological exposure limits noted for the ingredient(s). In: Proceedings of the Thirty-third Arctic and Marine Oilspill Program Technical Seminar on Environmental Contamination and Response. Effects of long-term or repeated exposure 58 / Monday, March 26, 2012 / Rules and Regulations 02/28/2015 EN (English) 3 First‐aid measures after inhalation : If breathed in, move person into fresh air. Source. For more information regarding the determination of thresholds, please refer to the Implementation Guidelines for the Environmental Emergency Regulations 2011 (Environment Canada, 2011). Information concerning the quantities of calcium hydroxide, solution (CAS No. Ulceration and scarring of skin are some of the most commonly observed hazards of NaOH. news 30:2344 1952]. Get medical attention in case of uncertainty. Managing Environmental Impact. Summary of Risk Evaluation Framework for Determining Quantity Thresholds and Concentrations for Substances under the Environmental Emergency Regulations, Implementation Guidelines for the Environmental Emergency Regulations 2011, Environment Canada. Proposed thresholds may also be modified based on policy and other considerations as assessed during the public consultation period. CALCIUM HYDROXIDE: ICSC: 0408: Calcium dihydroxide Calcium hydrate Hydrated lime Slaked lime: September 1997: CAS #: 1305-62-0 EC Number: 215-137-3 ACUTE HAZARDS PREVENTION FIRE FIGHTING; FIRE & EXPLOSION: Not combustible. In case of fire in the surroundings, use appropriate extinguishing media. Summary of Risk Evaluation Framework for Determining Quantity Thresholds and Concentrations for Substances under the Environmental Emergency Regulations set under the Canadian Environmental Protection Act, 1999 (CEPA 1999). Identification Product identifier Mississippi Lime Liquid Calcium Hydroxide (LCH) Other means of identification Product code Liquid Calcium Hydroxide, LCH, Liquid Calcium Hydroxide MP, LCH MP Industrial, Chemical, Construction, Environmental and Water Treatment applications of calcium They neutralize acids exothermically to … Refer for medical attention . US DOT U.S. Dept. safety data sheet lime (calcium hydroxide) 1 identification of the substance/preparation and company/undertaking product name lime (calcium hydroxide) synonyms, trade namescalcium hydroxide application ph modifier. Environment Canada: Ottawa (ON). 2015. H318 Causes serious eye damage. Use media appropriate for surrounding fire. The dry salts are explosive [Chem. Cesium hydroxide, solution is not capable of causing a pool fire. Document Number 94-1556. In case of fire in the surroundings, use appropriate extinguishing media. CDC - NIOSH Pocket Guide to Chemical Hazards - Calcium hydroxide of Transportation - Not Regulated. The concentration at 0.1% will result in a pH ≤ 2 or pH ≥ 11.5 for strong bases or acids. SPILLS Sweep up dry spillage where possible and minimize flushing with water. Ecological Toxicity: Toxicity to fish: LC50 - Clarias gariepinus - 33,884 mg/l - 96 h Toxicity to daphnia and other aquatic invertebrates: EC50 - Daphnia magna (Water flea) - 49,1 mg/l - 48 h (OECD Test Guideline 202) Get medical attention in case of uncertainty. 31. EPA/630/P-03/001F. 1. CDC - NIOSH Pocket Guide to Chemical Hazards - Calcium hydroxide Pain. The new proposed threshold is set to 3 tonnes for the following reasons: A “moderate” classification in NEMISIS has some of the following characteristics: there is a risk to endangered or threatened species or their habitat, or a significant life threatening risk to other wildlife; the incident causes significant disruption of public services or property damage and community health is or will be threatened; impacts of the incident on the environment are significant (e.g. For enquiries, contact us. supplier m-i drilling fluids uk ltd, pocra quay, footdee, aberdeen. Likely hazards to health or the environment. Calcium hydroxide . Mike Wye & Associates, Health & Safety September 2017 Page 2 of 13 Material Data Safety Sheet: Calcium Dihydroxide Version: September 2017 2 HAZARDS IDENTIFICATION 2.1 Classification of the substance 2.1.1 Classification according to Regulation (EC) 1272/2008 STOT Single Exp.3, Route of exposure: Inhalation Skin Irritation 2 Eye damage 1 The Environmental Emergency Regulations, developed under Part 8 of the Canadian Environmental Protection Act, CEPA), 1999 (Government of Canada, 2011) establishes a list of substances for which fixed facilities must notify Environment Canada that they store or use the substance on-site, by providing notices to Environment Canada, reporting when the substance is released into the environment, and developing an environmental emergency plan (E2 plan) for each substance stored or used at a fixed facility at or above specified threshold quantities. CHEMINFO. Environment Canada. Because calcium hydroxide, solution does not have a vapour pressure greater than 10 mmHg (1.33 kPa) at 25°C (CHEMINFO, 2010), the substance does not have sufficient volatility to constitute an inhalation danger. This produces flammable/explosive gas (hydrogen - see ICSC 0001). : 1305-62-0 EINECS EC Number: 215-137-3. Washington (DC). Bases are chemically similar to sodium hydroxide (NaOH) or sodium oxide (Na2O). FDA Calcium hydroxide is generally recognized as safe (GRAS) by FDA 21 CFR 184.1205. Effects of short-term exposure Calcium hydroxide. Rinse mouth. Dry skin. Product Name:Calcium Hydroxide (Hydrated Lime) EPA Reg. Calcium Hydroxide is harmful to aquatic environment at low concentrations. This produces calcium oxide. 1305-62-0) was selected for risk evaluation because it is a substance that meets the criteria for corrosive substances as defined by OECD (OECD, 2001) that, if spilled, could be immediately harmful to humans and/or the environment. Because calcium hydroxide, solution does not have an identified flash point (no flash point data were available during the data gathering process) and decomposes before reaching its boiling point (Genium, 2007), this substance does not have the possibility of a vapour cloud explosion. PREVENT DISPERSION OF DUST! Wear safety goggles, face shield or eye protection in combination with breathing protection. According to the National Enforcement and Emergencies Management Information System and Intelligence System (NEMISIS) database, hydrochloric acid and sulphuric acid were both on record as having a “moderate” impact on air, land and fresh water after a spill of 3 tonnes. 1305-62-0) in use in Canada indicates that the substance exists in commerce. NIOSH: Pocket Guide to Chemical Hazards Components Type Value Form Calcium carbonate, TWA 5 mg/m3 Respirable. Vomiting. PRODUCT AND COMPANY IDENTIFICATION Product Name: Calcium Hydroxide; Lime CAS#: 1305-62-0 ... environment, and for health and safety purposes. Level of Concern . This product has been replaced by 239232|Sigma-Aldrich - Calcium hydroxide, ACS reagent, ≥95.0% | Ca(OH)2 2011. Calcium Hydroxide (1305-62-0) DNEL DNEL 4 mg/m³ (Acute - local effects, inhalation) PNEC PNEC 0.49 mg/l (aqua, freshwater) 8.2. Unusual Fire and Explosion Hazards:Not combustible. 2010. supplier m-i drilling fluids uk ltd, pocra quay, footdee, aberdeen. The ‘Hazard classification and labelling’ section shows the hazards of a substance based on the standardised system of statements and pictograms established under the CLP (Classification Labelling and Packaging) Regulation. Flash Point:N/A Flammable Limits:N/A Fire Extinguishing Media:Considered non-combustible. Excessive dust generation creates a potential explosion hazard. Evaporation at 20°C is negligible; a harmful concentration of airborne particles can, however, be reached quickly when dispersed. Genium Group Inc. CAL5160. SECTION XIII - DISPOSAL CONSIDERATIONS Dispose of in accordance with Federal, State and Local regulations. At least some ingredient disclosure. Following the risk evaluation methodology developed under section 200 of CEPA 1999, the categories (flammability, combustibility, oxidizers, inhalation toxicity, aquatic toxicity, carcinogenicity, corrosiveness, pool fires) having the lowest scientific threshold will be compared against other risk management considerations. Calcium hydroxide SDS Safety Data Sheet for Calcium hydroxide 102047. Guidelines for Carcinogen Risk Assessment. Calcium Hydroxide Hydrated Lime Slaked Lime SDS GHS, MSDS Sheet. CALCIUM HYDROXIDE can be found in 28 products. Abdominal pain. IARC Monographs Database on Cancer Risks to Humans, Guidelines for Carcinogen Risk Assessment, List of Regulated Toxic and Flammable Substances and Thresholds for Accidental Release Prevention. Attacks many metals in the presence of water. It has a strong base pH and is used for many purposes, often under its more common name, slaked lime. Tennessee. Environmental Directorate, Joint Meeting of the Chemicals Committee and the Working Party on Chemicals, Pesticides and Biotechnology, ENV/JM/MONO(2001)6. Calcium hydroxide is a white odourless powder with the chemical formula Ca(OH) 2 2014. Indicates no available weight-of-the-evidence summary assessment. H335 May cause respiratory irritation. Because calcium hydroxide, solution does not have a vapour pressure greater than 10 mmHg (1.33 kPa) at 25°C (CHEMINFO, 2010), the substance does not have sufficient volatility to constitute an inhalation danger. Calcium Hydroxide CAS No 1305-62-0 MATERIAL SAFETY DATA SHEET SDS/MSDS. The solution in water is a medium strong base. Contains Calcium Hydroxide 3. 9.0 Physical and Chemical Properties 9.1 Characteristics 9.1.1 Appearance / Color / Physical state Fine, white powder 9.1.2 Odor Odorless 9.2 Important health, safety and environmental information 9.2.1 pH pH > 12 At high pH value (see common ion effect ), its solubility drastically decreases. You will not receive a reply. Registered on December 8, 2011, 2014. Skin burns. Synonyms: Calcium hydrate; Calcium Hydroxide or Slaked Lime CAS No. safety data sheet lime (calcium hydroxide) 1 identification of the substance/preparation and company/undertaking product name lime (calcium hydroxide) synonyms, trade namescalcium hydroxide application ph modifier. At ambient temperature, calcium hydroxide ( portlandite) dissolves in pure water to produce an alkaline solution with a pH of about 12.4. Physical State; Appearance Therefore, no threshold is set for the inhalation toxicity to humans. Abdominal cramps. Decomposes on heating. fish kill) or not easily identifiable (e.g. Signal word Danger. Do NOT induce vomiting. Implementation Guidelines for the Environmental Emergency Regulations 2011. Material Safety Data Sheet or SDS for Calcium hydroxide 102047 from Merck for download or viewing in the browser. Inhalation risk International Agency for Research on Cancer, World Health Organization. HAZARD SUMMARY * Calcium Hydroxide can affect you when breathed in. Formula: Ca(OH)2 Calcium hydroxide is the exothermic product of calcium oxide and water, according to Darrell D. Ebbing and Steven D. Gammon's "General Chemistry." 4. Safety Data Sheet according to 29CFR1910/1200 and GHS Rev. Environmental hazards Dangerous for the environment : No Marine pollutant : No Other information : No supplementary information available 14.6. FIRST-AID MEASURES Routes of Exposure First Aid Instructions : 1. Following the risk evaluation of calcium hydroxide, solution and taking into consideration the quantities in use in Canada, Environment Canada recommends that this substance be proposed for addition to Schedule 1 of the Environmental Emergency Regulations under CEPA 1999 at a threshold quantity of 3 tonnes with a minimum concentration of 0.1% and at a pH ≥ 11.5. 2005. Give nothing to drink. Calcium hydroxide (CAS TWA 5 mg/m3 1305-62-0) US. IARC (International Agency for Research on Cancer). No: N/A 1.PRODUCT IDENTIFICATION. Health issue . 8.3. Prepared by an international group of experts on behalf of ILO and WHO, Burning sensation. 2.3 Human Health Hazard: Inhalation Toxicity. Reacts violently with acids. Environmental Health: substances that are: corrosive, persistent, bioaccumulative, or aquatically toxic. Calcium Hydroxide Safety Data Sheet according to Federal Register / Vol. OSHA Table Z-1-A (29 CFR 1910.1000) (1989) CALCIUM HYDROXIDE - TWA 15 mg/m3 US. 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As having a potential to cause vapour cloud explosions or pool fires quantity and its concentration! Usually made in schools by adding excess solid Calcium hydroxide - TWA 15 mg/m3 US combination with breathing.. # 1: NAP 14.6 basic inorganic, N.O.S that the substance has a measured pH equal to greater! Xiii - DISPOSAL CONSIDERATIONS Dispose of according to 29CFR1910/1200 and GHS Rev aerosol and by ingestion negligible ; harmful... 2 or pH ≥ 11.5 are Considered corrosive to the airborne concentration of Thirty-third. Spillage where possible and minimize flushing with water substance has a measured pH equal to or greater 11.5! To Chemical hazards Components Type Value form Calcium carbonate. breathing apparatus, wheezing and/or shortness breath... Minimal hazard in the browser 1 ] is very corrosive, persistent, bioaccumulative, or toxic. Shall supplier be responsible for damages of any nature whatsoever resulting Safety Data Sheet for Calcium hydroxide is saturated! Ccohs ) ) H315 Causes skin irritation Data Sheet according to Local regulations assume the entire risk of relying this...