Product ID:CHEMTREAT BL-122
MSDS Date:11/25/1985
FSC:6850
NIIN:00N008568
MSDS Number: BCQPM

CHEMTREAT, INC.

500 LICKINGHOLE ROAD
ASHLAND, VA 23005-3294

Emergency Phone: 804-257-7792

Preparer: JOHN A. NYGREN

Cage: EO660

CHEMTREAT, INC.

ASHLAND, VA 23005 US

Telephone: (804) 798-3231

Cage: EO660

SODIUM BISULFITE (SASA III)

CAS: 7631-90-5

RTECS: VZ2000000

Fraction By Weight: 30%

OSHA PEL 5 MG/M3

ACGIH TLV: 5 MG/M3; 9192

EPA Report Quantity: 5000 LBS

DOT Report Quantity: 5000 LBS

LD50 LC50 Mixture:LD50 RABBITS IV 65 MG/KG (SEE SUPP)
Routes of Entry: Inhalation:YES Skin:UNKNOWN Ingestion:YES
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:SEE SIGNS & SYMPTOMS OF OVEREXPOSURE
Explanation of Carcinogenicity:N/K
Effects of Overexposure:INGESTION:MAY IRRITATE GASTROINTESTINAL
TRACT.MAY CAUSE VIOLENT COLIC 6 DIARRHEA,CIRCULATORY
DISTURBANCES,CENTRAL NERVOUS SYSTEM DEPRESSION &
DEATH.INHALATION:MAY IRRITATE RESPIRATORY TRACT.MAY CAUSE SEVERE
ALLERGIC REACTION IN SOME ASTHMATICS.SKIN:N/K.EYES:N/K .
Medical Cond Aggravated by Exposure:N/K

First Aid:EYES:FLUSH WITH PLENTY OF WATER FOR AT LEAST 15 MINUTES.GET
MEDICAL ATTENTION.INHALATION:REMOVE TO FRESH AIR.GET MEDICAL
ATTENTION.INGESTION:IMMEDIATELY GIVE 2-4 GLASSES OF WATER OR
MILK.INDUCE VOMITI NG.GET MEDICAL ATTENTION.SKIN:REMOVE
CONTAMINATED CLOTHING.WASH SKIN WITH SOAP & WATER .

Flash Point:NOT FLAMMABLE
Fire Fighting Procedures:USE NIOSH/MSHA APPROVED SCBA AND FULL
PROTECTIVE EQUIPMENT .KEEP CONTAINERS COOL W/WATER SPRAY TO
MINIMIZE POTENTIAL OF DECOMPOSITION.
Unusual Fire/Explosion Hazard:ANHYDROUS SODIUM BISULFITE DECOMPOSES AT
302F,150C TO LIBERATE SULFUR DIOXIDE.

Spill Release Procedures:ABSORB SPILLED MATERIAL WITH SAND OR OTHER
COMMERCIALLY AVAILABLE ABSORBENT.WEAR PROTECTIVE CLOTHING.
Neutralizing Agent:N/K

Handling and Storage Precautions:KEEP CONTAINERS CLOSED WHEN NOT IN
USE.DO NOT MIX WITH ALKALINE CHEMICALS.
Other Precautions:AVOID CONTACT WITH EYES AND SKIN.AVOID BREATHING MIST
OR VAPORS.REMOVE CONTAMINATED CLOTHING.WASH SKIN WITH SOAP & WATER.

Respiratory Protection:IF MISTING OR VAPOR PREVAIL,USE NIOSH/MSHA
APPROVED RESPIRATOR.
Ventilation:USE LOCAL EXHAUST VENTILATION TO KEEP AIR CONCENTRATION
BELOW TLV
Protective Gloves:IMPERVIOUS GLOVES.
Eye Protection:CHEMICAL WORKERS GOGGLES
Other Protective Equipment:FULL IMPERVIOUS CLOTHING.
Work Hygienic Practices:N/K
Supplemental Safety and Health
LD50-LC50 MIXT:LD50 DOGS INTRAPERITONEAL 244 MG/KG.

Melt/Freeze Pt:M.P/F.P Text:N/K
Decomp Temp:Decomp Text:302F (150C)
Spec Gravity:1.24 (H*2O=1)
pH:4.5
Solubility in Water:100%
Appearance and Odor:CLEAR SOLUTION,FAINT ODOR OF SULFUR DIOXIDE.
Percent Volatiles by Volume:70

Stability Indicator/Materials to Avoid:YES
STRONG OXIDIZERS AND ACIDS.
Stability Condition to Avoid:CONTACT WITH OXIDIZERS AND ACIDS WILL
LIBERATE TOXIC SULFUR DIOXIDE FUMES.
Hazardous Decomposition Products:SULFUR DIOXIDE GAS;SODIUM SULFIDE
RESIDUE.

Waste Disposal Methods:DISPOSAL MUST BE IN ACCORDANCE WITH
FEDERAL,STATE AND LOCAL REGULATIONS .LANDFILL IS AN ACCEPTABLE
MEANS OF DISPOSAL.

Disclaimer (provided with this information by the compiling agencies):
This information is formulated for use by elements of the Department
of Defense. The United States of America in no manner whatsoever,
expressly or implied, warrants this information to be accurate and
disclaims all liability for its use. Any person utilizing this
document should seek competent professional advice to verify and
assume responsibility for the suitability of this information to their
particular situation.