MATERIAL SAFETY DATA SHEET
PRODUCT: Powdered Chalk
MANUFACTURER: Evans Rule Company
ADDRESS: P.O. Box 40309
Charleston, SC 29423-0309
EMERGENCY PHONE NUMBER: (843) 797-2500
EFFECTIVE DATE: April 2, 2002
SECTION I PRODUCT INFORMATION
Chemical Family: Metal Carbonate Mixture
Synonyms: Ground Limestone, Calcium Carbonate, Chalk
Formula: CaCO3 mixture
HMIS: Health 1 鈥? slight
Flammability 0 鈥? minimal
Reactivity 0 鈥? minimal
PPE E 鈥? glasses, gloves, dust respirator
SECTION II HAZARDOUS INGREDIENT INFORMATION
Hazard Statement: Crystalline silica which may be present in natural limestone
has been reviewed by IARC. IARC found limited evidence
for carcinogenicity of crystalline silica in humans and
sufficient evidence in experimental animals.
There is no evidence that the products listed on this MSDS are carcinogenic.
SECTION II HAZARDOUS INGREDIENT INFORMATION
This product is not considered a carcinogen by IARC, NIP, OSHA or ACGIH.
Calcium carbonate is a nuisance particulate. The 鈥渉ave a long history of little adverse
effect on lungs and do not product significant organic disease or toxic effect when
exposures are kept under control.鈥? (Quoted frome ACGIH-TLV definition).
Component % Weight ACGIV-TLV OSHA PEL
Calcium Carbonate >75 5 mg/m鲁 5 mg/m鲁o
CAS #1317-65-3 nuisance dust respirable dust
Silica Quartz <5 0.1 mg/m鲁 0.1 mg/m鲁
CAS #4808-60-7 respirable dust respirable dust
Misc. colour pigments <20 5 mg/m鲁 5 mg/m鲁
and additives nuisance dust total dust
CAS # N/A
SECTION III PHYSICAL DATA
Boiling Point: N/A Specific Gravity: 2.65
Vapor Pressure: N/A Percent Volatile: N/A
Vapor Density: N/A Evaporation Rate: N/A
Solubility: 0.001 kg/liter H2 O
Soluble in dilute
Acids
Appearance and
Odor Odorless Powder
SECTION IV FIRE AND EXPLOSION HAZARDS
Flash Point : Nonflammable
Extinguishing Media Use means for extinguishing surrounding fire
Unusual Fire and
Explosion Hazards: Not considered a fire or explosion hazard
SECTION V HEALTH HAZARD DATA
Primary Entry Route: Inhalation and Ingestion
Acute Effects: Abrasiveness may irritate eyes and skin
Chronic Effects: No known chronic health effects
Carcinogenicity: NTP? No IARC? No OSHA? No
First Aid
Eye Contact: Flush with water for 15 minutes. If irritation presists, seek
medical attention.
Skin contact: Wash with soap and water
Inhalation: Remove to fresh air
Ingestion: Drink large quantities of water, induce vomiting. Seek
medical attention.
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SECTION VI REACTIVITY DATA
Stability: Stable
Incompatibility: Acids, Fluorine, Magnesium with Hydrogen
Decomposition Products: Decompose above 825掳C to emit
calcium oxide fumes and carbon dioxide
Polymerization: Will not occur
Conditions to avoid: none known
SECTION VII SPILL, LEAK AND DISPOSAL DATA
Spill and Leak: Clean up personnel may require respiratory protection for dust.
Vacuum or scoop up spilled material for recovery or disposal.
Wetting with water spray mist may help minimize airborne dust.
Waste Disposal: Dispose of in an approved industrial waste landfill. Consult all
Local, State, and Federal laws concerning proper disposal.
SECTION VIII STORAGE, HANDLING, AND USE INFORMATION
General ventilation: Recommended
Local ventilation: If needed to maintain TLV levels
Respirator Protection: OSHA approved dust respirator if needed
Gloves: Cloth or rubber if needed
Eye Protection: Glasses with dust shields if needed
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