IDENTITY

CALCIUM OXIDE POWDER

Manufacturer’s Name

Tara Minerals & Chemicals Pvt. Ltd.

Address

751, Umaid hospital Rd., Near Geeta Bhawan, Jodhpur-342001 (Rajasthan) India

Phone Number for Emergencies

+91 291 2636418

Phone Number for Information

+91 291 2435228

Common Name
Chemical Identity
Chemical Formula
CAS Number

Quicklime, Unslaked lime, Burnt lime.
Calcium Oxide
CaO
1305-78-8

OSHA PEL

ACGIH TLV

2mg/M³

Other Limits Recommended

Boiling Point

5162^oF (2850^oC)

Specific Gravity (H₂0=1)

Vapor Pressure (mm Hg)

N/A

Melting Point

4658^oF (2570^oC)

Vapor Density (Air =1)

N/A

Evaporation Rates (Butyl Acetate=1)

N/A

Solubility in Water

Negligible
(0.120 grams per 100 gms.sat.sol. at 25^oC)

Appearance and Odor

White lumps, pebbles or granules, no odor

Flash Point (Method Used)

N/A

Flammable Limits

N/A

LEL

N/A

UEL

N/A

Extinguishing Media

N/A

Special Fire Fighting Procedures

In itself, quicklime is incombustible. If it comes in contact with water or humid air it hydrates, evolving heat. Heat could ignite paper, wood, or rags.

Unusual Fire and
Explosion Hazards

Water on quicklime causes an exothermic reaction, as noted above.

Stability

Unstable: Yes
Conditions to Avoid:
Coming into contact with water, humid air or acids.

Stable: Yes       
If no moisture or acids are present.

Incompatibility: Materials to Avoid

Should not be mixed or stored in contact with chemicals that are moist or have water of hydration.

Hazardous Decomposition
or Byproducts 

None

Hazardous
Polymerization

Will Not Occur: X

May Occur:
conditions to Avoid:

Route(s) of Entry

Inhalation? X

Skin? X

Ingestion?

Health Hazards
(Acute and Chronic)

Under hot humid conditions quicklime can cause skin burns to a perspiring work or skin irritation. Can be irritating if inhaled, causing sneezing.

Carcinogenicity?

N/A
NTP?
IARC Mongrographs?
OSHA Regulated?

Signs and Symptoms of Exposure

Redness of skin, sneezing.

Medical Conditions  Generally  Aggravated by Exposure

N/A

Emergency and
First Aid
Procedures

In case of burns or skin irritation use boric acid salve or burn ointment. For eyes, flush out immediately with water and see physician.

Other Precautions

Steps to Be Taken  in Case Material is  Released or Spilled

Clean up by normal physical methods.

Waste Disposal Method

Salvage for use or remove to dump. Do not place where heat of hydration by contact with water could ignite adjacent materials such as wood or paper.

Precautions to Be Taken in Handling and Storing

Do not store near acids or chemicals, which are moist or contain water of hydration. Store in a dry area.

Respiratory Protector (Specify Type)

Protective dust mask

Ventilation

Mechanical (General): Adequate to keep dust conc. below TLV.

Other: Vent dust to a collector.

Local Exhaust:

Special:

Protective Gloves

Normal work gloves

Eye Protection

Tight fitting safety goggles

Other Protective Clothing or Equipment

Long sleeved shirt with buttoned collar. Long pants extending over work shoes. Protective cream may be used on exposed skin if needed.

Work/Hygienic Practices

Quicklime dust should be washed from skin & hair.