Calcium Hydroxide
Synonyms: Slaked Lime
SECTION 1: Identification of the substance/mixture and of the company/undertaking
Chemical Name
Calcium Hydroxide
Product Form
Substance
Catalogue No.
AL1081
CAS Number
1305-62-0
EC Number
215-137-3
EC Index Number
-
Grade
Practical
HSN Code
28259040
Molecular Formula
Ca(OH)2
SECTION 1: Identification of the substance/mixture and of the company/undertaking
1.1 Product identifier
Chemical Name
Calcium Hydroxide
Catalogue No.
AL1081
Product form
Substance
CAS Number
1305-62-0
EC Number
215-137-3
Grade
Practical
EC Index Number
Not specified
Chemical Formula
Ca(OH)2
HSN Code
28259040
Synonyms
Slaked Lime
Chemical Structure
-
1.2 Relevant identified uses of the substance or mixture and uses advised against
Use of the substance/mixture
Used in construction, agriculture, and water treatment.
Uses advised against
Not specified
1.3 Details of the supplier of the safety data sheet
Company identification
Address:- 102, B wing, Savgan Heights, RTO Lane,Andheri (W), Mumbai-400 053Maharashtra, India.
1.4 Emergency Contact Details
Phone / e-Mail
Phone : +91 22 26317055 Mobile : +91 9820385757 e-mail : info@alphachemika.co.in
SECTION 2: Hazards identification
2.1 Classification of the substance or mixture
Classification according to Regulation (EC) No 1272/2008
Eye Dam. 1
Classification source
ECHA C&L Inventory via PubChem CID 6093208 - hazard classes notified by at least 50% of companies; pictograms and signal word derived from those statements
2.2 Label elements
Hazard pictograms
Corrosive
Signal word
Danger
Hazard statements
H318: Causes serious eye damage
2.3 Other hazards
Other hazards
May cause irritation to skin, eyes, and respiratory tract.
SECTION 3: Composition/information on ingredients
3.1 Substance
Name
Calcium Hydroxide
CAS No.
1305-62-0
SECTION 4: First aid measures
4.1 Description of first aid measures
First-aid measures after inhalation
If this chemical has been inhaled, remove the exposed person to fresh air at once. If breathing has stopped, perform artificial respiration. Keep the person warm and at rest.
First-aid measures after skin contact
If this chemical contacts the skin, immediately flush the contaminated skin with soap and water. If this chemical penetrates the clothing, immediately remove the clothing and flush the skin with water. If irritation persists after washing, get medical attention.
First-aid measures after eye contact
If this chemical contacts the eyes, immediately wash (irrigate) the eyes with large amounts of water, occasionally lifting the lower and upper lids. Get medical attention immediately.
First-aid measures after ingestion
If this chemical has been swallowed, get medical attention immediately.
4.2 Most important symptoms and effects, both acute and delayed
Symptoms relating to use
Irritation of eyes, skin, and respiratory tract.
4.3 Indication of any immediate medical attention and special treatment needed
General information
Treat symptomatically. Show this safety data sheet to the treating physician.
SECTION 5: Fire-fighting measures
5.1 Extinguishing media
Suitable extinguishing media
Water spray, carbon dioxide, dry chemical powder, foam.
Unsuitable extinguishing media
Not specified
5.2 Special hazards arising from the substance or mixture
Special procedures
Non-flammable; may react with acids to release heat.
5.3 Advice for firefighters
Protection during firefighting
Do not enter fire area without proper protective equipment, including respiratory protection.
SECTION 6: Accidental release measures
6.1.1 For non-emergency personnel
Emergency procedures
Contain spill and collect using appropriate protective equipment.
6.3 Methods and material for containment and cleaning up
Methods for cleaning up
Personal protection: particulate filter respirator adapted to the airborne concentration of the substance. Sweep spilled substance into covered containers. Then store and dispose of according to local regulations.
6.4 Reference to other sections
Reference
Not specified
SECTION 7: Handling and storage
7.1 Precautions for safe handling
Precautions for safe handling
Avoid contact with skin and eyes. Use personal protective equipment as required.
Hygiene measures
Wash hands and other exposed areas with mild soap and water before eating, drinking or smoking and when leaving work.
7.2 Conditions for safe storage, including any incompatibilities
Storage conditions
Separated from strong acids.
SECTION 8: Exposure controls/personal protection
8.2 Exposure controls
Hand protection
Protective gloves (e.g. nitrile rubber)
Eye protection
Chemical safety goggles or safety glasses
Skin and body protection
Wear suitable protective clothing
Respiratory protection
Use appropriate respiratory protection if dust is generated.
SECTION 9: Physical and chemical properties
9.1 Information on basic physical and chemical properties
Physical state
Solid
Colour
White
Odour
Odorless
Odour threshold
Not applicable
pH value
12.4 (1% solution)
Relative evaporation rate (butylacetate=1)
Not applicable
Melting point
580 °C (Decomposes) (Loses H2O)
Freezing point
Not applicable
Boiling point
Not applicable
Flash point
Not applicable
Auto-ignition temperature
Not applicable
Decomposition temperature
Not applicable
Flammability (solid, gas)
Not flammable
Vapour pressure
0 mmHg (approx)
Relative vapour density at 20°C
Not applicable
Density
Approximately 2.2 g/cu cm
Solubility
Solubility in water is decreased by the presence of fixed alkali hydroxides.
Log Pow
Not applicable
Viscosity, kinematic
Not applicable
Viscosity, dynamic
Not applicable
Explosive properties
Not explosive
Oxidising properties
Not oxidising
Explosive limits
Not applicable
SECTION 10: Stability and reactivity
10.1 Reactivity
Reactivity
Reacts with acids to produce calcium salts and water, releasing heat.
10.2 Chemical stability
Chemical stability
Readily absorbs carbon dioxide from air forming calcium carbonate.
10.3 Possibility of hazardous reactions
Possibility of hazardous reactions
Decomposes on heating. This produces calcium oxide. The solution in water is a medium strong base.
10.4 Conditions to avoid
Conditions to avoid
Avoid contact with incompatible materials and excessive heat.
10.5 Incompatible materials
Incompatible materials
Acids, ammonium salts, and aluminum.
10.6 Hazardous decomposition products
Hazardous decomposition products
Not specified
SECTION 11: Toxicological information
11.1 Information on toxicological effects
Acute toxicity
LD50 rat oral 500 - 2000 mg/kg bw; LD50 rat oral 7,340 mg/kg; LD50 mouse oral 7300 mg/kg bw
Skin corrosion/irritation
Not classified (based on available data)
Serious eye damage/irritation
H318: Causes serious eye damage
Respiratory or skin sensitisation
Not classified (based on available data)
Germ cell mutagenicity
Not classified (based on available data)
Carcinogenicity
Not classified (based on available data)
Specific target organ toxicity (single exposure)
Not classified (based on available data)
Specific target organ toxicity (repeated exposure)
Not classified (based on available data)
SECTION 12: Ecological information
12.1 Toxicity
Toxicity information
Not specified
12.2 Persistence - degradability
Persistence - degradability
Not specified
12.3 Bioaccumulative potential
Bioaccumulative potential
Not specified
12.4 Mobility in soil
Mobility in soil
Not specified
12.6 Other adverse effects
Environmental precautions
Not specified
SECTION 13: Disposal considerations
13.1 Waste treatment methods
Additional Info
Dispose of contents/container in accordance with local, regional, national and international regulations.
SECTION 14: Transport information
14.1 UN number
UN-No. (ADR)
Not assigned
UN-No. (IMDG)
Not assigned
UN-No. (IATA)
Not assigned
UN-No. (ADN)
Not assigned
UN-No. (RID)
Not assigned
14.2 UN proper shipping name
Proper Shipping Name (ADR)
Calcium Hydroxide
Proper Shipping Name (IMDG)
Calcium Hydroxide
Proper Shipping Name (IATA)
Calcium Hydroxide
Proper Shipping Name (ADN)
Calcium Hydroxide
Proper Shipping Name (RID)
Calcium Hydroxide
14.3 Transport hazard class(es)
Transport hazard class(es)
Not classified as hazardous for transport
14.4 Packing group
Packing group (ADR)
Not applicable
Packing group (IMDG)
Not applicable
Packing group (IATA)
Not applicable
Packing group (ADN)
Not applicable
Packing group (RID)
Not applicable
14.5 Environmental hazards
Dangerous for the environment
Not specified
Marine pollutant
Not specified
Other information
No supplementary information available
SECTION 15: Regulatory information
15.1 Safety, health and environmental regulations/legislation specific for the substance or mixture
15.1.1 EU-Regulations
Not specified
SECTION 16: Other Information
Disclaimer
The information provided in this Safety Data Sheet is correct to the best of our knowledge, information and belief at the date of its publication. The information is designed only as a guidance for safe handling, use, processing, storage, transportation, disposal and release and is not to be considered a guarantee or quality specification. The information relates only to the specific material designated and may not be valid for such material used in combination with any other materials or in any process, unless specified in the text.