SDS

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Material Safety Data Sheet
Conforms with OSHA form OMB No. 1218-0072
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Page 1 of 4
Identity (as used on label and list) Note: Blank spaces are not permitted. Spaces must be
marked to indicate if any item is not applicable or no
information is available.
WRDM Dry Chemical Powder
Section I
Manufacturer's Name Emergency Telephone Number
Williams-Pyro, Inc. 817-944-4783
Address (Number, Street, City, State, and ZIP Code) Telephone Number for Information
200 Greenleaf Street
Fort Worth, Texas 76107
817-872-1500
Date Prepared
11/01/2013
Signature of Preparer (optional)
Section II - Hazardous Ingredients/Identity Information 
Hazardous Components
(Specific Chemical
Identity; Common Names)
CAS
Number OSHA PEL
 ACGIH TLV
Other
Limits
%
(optional)
Potassium
bicarbonate
Attapulgite (Fullers
Earth)
Quartz (SiO2)
298-14-6
8031-18-3
14808-60-7
TWA 15 g/m3
(total)
TWA 5 mg/m3
(resp)
TWA 10 mg/m3
(total)
TWA 5 mg/m3
(resp)
.1mg/m3
TWA 10 mg/m3
(total)
TWA 3 mg/m3
(resp)
TWA 10 mg/m3
(total)
TWA 3 mg/m3
(resp)
.1mg/m3
< 0.5
ACGIH - American Conference of Governmental Industrial Hygienists
PEL - permissible exposure limit
TLV - threshold limit value
TWA- total weighted average
Section III - Physical/Chemical Characteristics
Boiling Point
N/A
Specific Gravity (H
2
O = 1)
N/A
Vapor Pressure (mm Hg)
N/A
Melting Point
N/A
Vapor Density (AIR = 1)
N/A
Evaporation Rate
(Butyl Acetate = 1)
N/A
Solubility in Water
Negligible
Appearance and Odor
White powder, slight hydrocarbon odor