===================== Product Identification =====================
MSDS NAME:POTASSIUM SULFITE, 97%, 289817
NIIN:00N072050
MSDS Number: CBPXQ
=== Responsible Party ===
Company:SIGMA CHEMICAL CO
Box:14508
City:ST LOUIS
State:MO
ZIP:63178
Country:US
Info Phone Num:314-771-5765
Emergency Phone Num:516-467-3535
CAGE:21076
=== Contractor Identification ===
Company:SIGMA CHEMICAL COMPANY
Address:3050 SPRUCE ST
Box:14508
City:ST LOUIS
State:MO
ZIP:63178
Country:US
Phone:314-771-5765
CAGE:21076
============= Composition/Information on Ingredients =============
Name:POTASSIUM SULFITE
CAS:10117-38-1
RTECS #:WT3530000
Fraction by Wt: 97%
OSHA PEL:N/K
ACGIH TLV:N/K
===================== Hazards Identification =====================
LD50 LC50 Mixture:NONE SPECIFIED BY MANUFACTURER.
Routes of Entry: Inhalation:YES Skin:YES Ingestion:YES
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:ACUTE:MAY BE HARMFUL BY INHALATION,
INGESTION, OR SKIN ABSORPTION. CAUSES EYE AND SKIN IRRITATION.
MATERIAL IS IRRITATING TO MUCOUS MEMBRANES AND UPPER RESPIRATORY
TRACT. TO BEST OF MFR'S KNOWLEDGE, C HEMICAL, PHYSICAL, &
TOXICOLOGICAL PROPERTIES HAVE NOT BEEN THOROUGHLY INVESTIGATED.
Explanation of Carcinogenicity:NOT RELEVANT.
Effects of Overexposure:SEE HEALTH HAZARDS.
Medical Cond Aggravated by Exposure:PERSONS WITH ALLERGIES AND/OR
ASTHMA MAY EXHIBIT HYPERSENSITIVITY TO SULFITES.
======================= First Aid Measures =======================
Eyes:IMMED FLUSH W/COPIOUS AMTS OF WATER FOR AT LEAST 15
MINUTES. SKIN:IMMED WASH WITH SOAP & COPIOUS AMTS OF WATER.
INHAL:REMOVE TO FRESH AIR. IF NOT BRTHG GIVE ARTF RESP. IF BRTHG IS
DFCLT, GIVE OXY G. INGEST:WASH OUT MOUTH W/WATER PROVIDED PERSON IS
CONSCIOUS. CALL PHYSICIAN. WASH CONTAMINATED CLOTHING BEFORE REUSE.
===================== Fire Fighting Measures =====================
Extinguishing Media:CARBON DIOXIDE, DRY CHEMICAL POWDER OR APPROPRIATE
FOAM.
Fire Fighting Procedures:USE NIOSH APPROVED SCBA & FULL PROTECTIVE
EQUIPMENT .
Unusual Fire/Explosion Hazard:EMITS TOXIC FUMES UNDER FIRE CONDITIONS.
================== Accidental Release Measures ==================
Spill Release Procedures:EVACUTE AREA. WEAR NIOSH APPRVD RESP, CHEM
SFTY GOGGLES, RUBB BOOTS & HEAVY RUBB GLOVES. SWEEP UP, PLACE IN A
BAG & HOLD FOR WASTE DISPOSAL. AVOID RAISING DUST. VENTILATE AREA &
WASH SPILL SITE AFTER MATL PICKUP IS COMPLETE.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.
====================== Handling and Storage ======================
Handling and Storage Precautions:IRRITANT. IRRITATING TO EYES, RESP SYS
& SKIN. WEAR SUITABLE GLOVES & EYE/FACE PROTECTION. STORE UNDER
NITROGEN.
Other Precautions:DO NOT BREATHE DUST. AVOID CONTACT WITH EYES, SKIN &
CLTHG. AVOID PRLNGD/RPTED EXPOSURE. KEEP TIGHTLY CLOSED. STORE IN
COOL DRY PLACE.
============= Exposure Controls/Personal Protection =============
Respiratory Protection:WEAR APPROPRIATE NIOSH APPROVED RESPIRATOR.
Ventilation:MECHANICAL EXHAUST REQUIRED.
Protective Gloves:CHEMICAL-RESITANT GLOVES.
Eye Protection:ANSI APPRVD CHEM WORKERS GOGGLES .
Other Protective Equipment:ANSI APPRVD EMERGENCY EYE WASH & DELUGE
SHOWER .
Work Hygienic Practices:WASH THOROUGHLY AFTER HANDLING.
Supplemental Safety and Health
WASTE DISP METH:FUMES WHICH CAN BE CONTROLLED BY RATE OF ADDN. OBSERVE
ALL FEDERAL, STATE & LOCAL ENVIR REGS.
================== Physical/Chemical Properties ==================
Evaporation Rate & Reference:NOT KNOWN
Solubility in Water:NOT KNOWN
Appearance and Odor:WHITE CRYSTALLINE POWDER.
================= Stability and Reactivity Data =================
Stability Indicator/Materials to Avoid:YES
STRONG OXIDIZING AGENTS, STRONG ACIDS, AIR SENSITIVE, MOISTURE
SENSITIVE.
Stability Condition to Avoid:NONE SPECIFIED BY MANUFACTURER.
Hazardous Decomposition Products:SULFUR OXIDES.
==================== Disposal Considerations ====================
Waste Disposal Methods:SM QTYS:CAUTIOUSLY ADD TO LG STIRRED EXCESS OF
WATER. ADJUST PH TO NEUT, SEPARATE ANY INSOL SOLIDS/LIQS & PACKAGE
THEM FOR HAZ-WASTE DISP. FLUSH AQUEOUS SOLN DOWN DRAIN W/PLENTY OF
WATER. HYDROLYSIS & NEUTRALIZATION RXN MAY GENERATE HEAT AND
(SUPDAT)
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.
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