MSDS

MATERIAL SAFETY DATA SHEET
Regular Dry Chemical
(Fire Extinguishing Agent)
Revision Date: February 9, 2012 Page 3 of 6
8. EXPOSURE CONTROLS/PERSONAL PROTECTION
Occupational Exposure Standards
Occupational exposure limits are listed below, if they exist.
Mica
ACGIH TLV: 3 mg/m
3
TWA, measured as respirable fraction of the aerosol.
OSHA PEL: 20 mppcf, <1% crystalline silica
Calcium Carbonate
OSHA PEL: 15 mg/m
3
TWA, total dust
5 mg/m
3
TWA ,respirable fraction
Nuisance Dust Limit
OSHA PEL: 50 mppcf or 15 mg/m
3
TWA, total dust
15 mppcf or 5 mg/m
3
TWA, respirable fraction
Engineering Control Measures
Use with adequate ventilation. There should be local procedures for the selection, training, inspection
and maintenance of this equipment. When used in large volumes, use local exhaust ventilation.
Respiratory Protection
Not normally required. Use dust mask where dustiness is prevalent, or TLV is exceeded.
Hand Protection
Not normally needed when used as a portable fire extinguisher. Use gloves if irritation occurs.
Eye Protection
Chemical goggles or safety glasses with side shields.
Body Protection
Normal work wear.
9. PHYSICAL AND CHEMICAL PROPERTIES
Physical State
Powder
Color
White
Odor
Odorless
Specific Gravity
Ca. 2.2
Boiling Range/Point (°C/F)
Not applicable
Flash Point (PMCC) (°C/F)
Not Flammable
Solubility in Water
16.4g/100g
Vapor Density (Air = 1)
Heavier than air.
Vapor Pressure
Not applicable
Evaporation Rate
Not applicable
10. STABILITY AND REACTIVITY
Stability
Stable under normal conditions.
Conditions to Avoid
- Heat - High temperatures - Exposure to direct sunlight
Materials to Avoid
- Strong oxidizing agents - strong acids