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Hydrated Lime, Slaked Lime, Calcium Hydroxide SDS MSDS Sheet
Calcium Hydroxide BP Grade Specifications
Calcium Hydroxide USP Grade Slaked-Lime Specifications
Calcium Hydroxide FCC Food Grade-Slaked Lime
Calcium Hydroxide AR Analytical Reagent ACS Grade
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Calcium Hydroxide BP USP IP ACS AR Analytical Reagent FCC Food grade Manufacturers
Calcium Hydroxide SDS MSDS Sheet, Material Safety Data Sheet
1. Product Identification
Synonyms: Calcium hydrate; Calcium Hydroxide or Slaked Lime
CAS No.: 1305-62-0
EINECS EC Number: 215-137-3.
Molecular Weight: 74.09
Chemical Formula: Ca(OH)2
Recommended usage: Industrial Manufacturing.
Suppliers: As per letterhead.
2. Hazards Identification
GHS, Globally Harmonized System Classification in accordance with 29 CFR 1910
Classification according to Regulation (EC) No 1272/2008
Skin corrosion/irritation Category (H315)
Serious eye damage/eye irritation Category 1 (H318)
Acute toxicity, inhalation Category 4 (H332)
Specific target organ toxicity - single exposure, respiratory (Category 3) (H335)
Hazardous to the aquatic environment, acute hazard Category 3 (H402)
Labeling according to GHS & Regulation (EC) No 1272/2008
GHS Label Elements
Signal Words: Danger
H315: Causes skin irritation.
H318: Causes serious eye damage.
H332: Harmful if inhaled.
H335: May cause respiratory irritation.
H402: Harmful to aquatic life.
Precautionary Statements: P304+P340, P312
P260: Do not breathe dust/fume/gas/mist/vapors/spray.
P264: Wash … thoroughly after handling.
P262: Do not get in eyes, on skin, or on clothing.
P271: Use only outdoors or in a well-ventilated area.
P273: Avoid release to the environment.
P280: Wear protective gloves/protective clothing/eye protection/face protection.
P360: Rinse immediately contaminated clothing and skin with plenty of water before removing clothes.
P362: Take off contaminated clothing and wash before reuse.
P302+352: IF ON SKIN: Wash with soap and water.
P304+340: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing.
P305+351+338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do – continue rinsing.
P314: Get Medical advice/attention if you feel unwell.
P332+313: If skin irritation occurs: Get medical advice/attention.
P337+P313 If eye irritation persists: Get medical advice/ attention.
P501: Dispose of contents/ container to an approved waste disposal plant.
Classification according to EU Directives 67/548/EEC or 1999/45/EC:
R37/38: Irritating to respiratory system and skin., R41: Risk of serious damage to eyes.
Full text of S-statement & R-phrases: see section 16
3. Composition/Information on Ingredients
Ingredient: Calcium Hydroxide or Slaked Lime or Hydrated Lime
CAS No.: 1305-62-0 99
4. First Aid Measures
Always seek medical advice after the first aid treatment.
Inhalation: Remove to fresh air. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Call a physician immediately.
Ingestion: DO NOT INDUCE VOMITING. Give large quantities of water. Never give anything by mouth to an unconscious person. Call a physician immediately.
Skin Contact: In case of contact with Calcium Hydroxide or Slaked Lime , wipe off excess material from skin then immediately flush skin with plenty of water for at least 15 minutes. Remove contaminated clothing and shoes. Wash clothing before reuse. Call a physician immediately.
Eye Contact: Immediately flush eyes with gentle but large stream of water for at least 15 minutes, lifting lower and upper eyelids occasionally. Call a physician immediately.
5. Fire Fighting Measures
Fire: Calcium Hydroxide or Slaked Lime is not considered to be a fire hazard. Use any means suitable for extinguishing surrounding fire.
Explosion: Not considered to be an explosion hazard.
Fire Extinguishing Media: Use any means suitable for extinguishing surrounding fire.
Special Information: Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and clothing.
6. Accidental Release Measures
Ventilate area of leak or spill. Keep unnecessary and unprotected people away from area of spill. Wear appropriate personal protective equipment.
Spills: Pick up and place in a suitable container for reclamation or disposal, using a method that does not generate dust. Do not flush caustic residues to the sewer. Carefully pick up solid with minimum of dusting and collect in metal container with covers with disposal. The trace amount of residue of Calcium Hydroxide or Slaked Lime can be flushed down drain.
7. Handling and Storage
Keep Calcium Hydroxide or Slaked Lime in a tightly closed container, stored in a cool, dry, ventilated area. Protect against physical damage. Isolate from incompatible substances. Containers of this material may be hazardous when empty since they retain product residues (dust, solids). Do not get in eyes, on skin, on clothing. Wash thoroughly after handling. Store away from acids.
8. Exposure Controls/Personal Protection
Airborne Exposure Limits: -OSHA Permissible Exposure Limit (PEL):
15 mg/m3 (total dust), 5 mg/m3 (respirable fraction)
-ACGIH Threshold Limit Value (TLV): 5 mg/m3
CALCIUM HYDROXIDE (LIME) WEL (Work Place Exposure Limit) 5 mg/m3
Ventilation System: A system of local and/or general exhaust is recommended to keep employee exposures below the Airborne Exposure Limits. Local exhaust ventilation is generally preferred because it can control the emissions of the contaminant at its source, preventing dispersion of it into the general work area.
Personal Respirators (NIOSH Approved): If the exposure limit is exceeded and engineering controls are not feasible, a full face piece particulate respirator (NIOSH type N100 filters) may be worn for up to 50 times the exposure limit or the maximum use concentration specified by the appropriate regulatory agency or respirator supplier, whichever is lowest. If oil particles (e.g. lubricants, cutting fluids. glycerin, etc.) are present, use a NIOSH type R or P filter. For emergencies or instances where the exposure levels are not known, use a full-face piece positive-pressure, air-supplied respirator. WARNING: Air-purifying respirators do not protect workers in oxygen-deficient atmospheres.
Skin Protection: Wear impervious protective clothing, including boots, gloves, lab coat, apron or coveralls, as appropriate, to prevent skin contact.
Eye Protection: Use chemical safety goggles and/or full face shield where dusting or splashing of solutions is possible. Maintain eye wash fountain and quick-drench facilities in work area.
9. Physical and Chemical Properties
Appearance: Calcium Hydroxide or Slaked Lime white crystals or powder.
Solubility: 0.185 g/100 cc water @ 0C.
Specific Gravity: 2.24
pH: 12.4 (saturated solution)
% Volatiles by volume @ 21C (70F): 0
Boiling Point: Decomposes.
Melting Point: 580C (1076F)
10. Stability and Reactivity
Stability: Calcium Hydroxide or Slaked Lime is stable under ordinary conditions of use and storage. Readily absorbs carbon dioxide from air to form calcium carbonate.
Hazardous Decomposition Products: Decomposition (580C; 1076F) to form Calcium Oxide.
Hazardous Polymerization: Will not occur.
Incompatibilities: Violent reactions with maleic anhydride, nitro ethane, nitro methane, nitro paraffin, nitro propane, phosphorus. As a strongly alkaline material, it is incompatible with acids.
Conditions to Avoid: Not Available
11. Toxicological Information
Oral Rat LD50: 7340 mg/kg; eye rabbit, Standard Draize, 10 mg, severe; investigated as a mutagen
Carcinogenic Effects: Not a reported carcinogen by IARC, NTP, ACGIH, OSHA.
12. Ecological Information
Environmental Fate: Calcium Hydroxide or Slaked Lime is not expected to significantly bio accumulate.
13. Disposal Considerations
Although not a listed RCRA hazardous waste, Calcium Hydroxide or Slaked Lime may exhibit one or more characteristics of a hazardous waste and require appropriate analysis to determine specific disposal requirements. Dispose of container and unused contents in accordance with federal, state and local requirements.
14. Transport Information
DOT USA: Not dangerous goods
ADR/RID: Not dangerous goods
IMDG: Not dangerous goods
IATA: Not dangerous goods
15. Regulatory Information
TSCA: Calcium Hydroxide (1305-62-0) - Yes
SARA 302: Calcium Hydroxide (1305-62-0) - No
SARA 313: Calcium Hydroxide (1305-62-0) - No
SARA 311/312: Acute: Yes; Chronic: Yes; Fire: No; Pressure: No Reactivity: No (Pure / Solid)
OSHA: Hazardous by definition of Hazard Communication Standard (29 CFR 1910.1200).
Canada WHMIS: CLASS E: Corrosive solid.
Canada DSL: Calcium Hydroxide (1305-62-0) -- Yes
Canada NDSL: Calcium Hydroxide (1305-62-0) - No
Section 16 - Additional Information
EINECS EC Number: 215-137-3.
H315 = Causes skin irritation.
H318 = Causes serious eye damage.
H332 = Harmful if inhaled.
H335 = May cause respiratory irritation.
H402 = Harmful to aquatic life.
Xi Irritant; R37/38 Irritating to respiratory system and skin; R41 Risk of serious damage to eyes.
DSCL (EEC): S24/25- Avoid contact with skin and eyes. S26- In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S28- After contact with skin, wash immediately with plenty of water. S36/37/39- Wear suitable protective clothing, gloves and eye/face protection. S45- In case of accident or if you feel unwell, seek medical advice immediately.
DISCLAIMER: The information and recommendations set forth herein (hereinafter "Information") are presented in good faith and believed correct as of the date hereof. It is compiled from various sources and it is not necessarily all inclusive nor fully adequate in every circumstance. In addition, these suggestions should not be confused with nor followed in violation of applicable laws, regulations, rules or insurance requirements applicable. This MSDS sheet is intended only as a guide to the appropriate precautionary handling of the material by a properly trained person using this product. Individuals receiving the information must exercise their independent judgment in determining its appropriateness for a particular purpose.
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Last 25 March, 2017
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