POLYSCIENCES INC -- SODIUM METABISULFITE  -- 6810-00-299-8509
<pre>=====================  Product Identification  =====================

Product ID:SODIUM METABISULFITE
MSDS Date:11/02/1989
FSC:6810
NIIN:00-299-8509
=== Responsible Party ===
Company Name:POLYSCIENCES INC
Address:400 VALLEY RD
City:WARRINGTON
State:PA
ZIP:18976
Country:US
Info Phone Num:215-343-6484
Emergency Phone Num:215-343-6484
Preparer's Name:SSH
CAGE:9C365
=== Contractor Identification ===
Company Name:POLYSCIENCES INC
Address:400 VALLEY RD
Box:City:WARRINGTON
State:PA
ZIP:18976
Country:US
Phone:215-343-6484
CAGE:32939
Company Name:POLYSCIENCES INC
Address:PAUL VALLEY INDUSTRIAL PARK
City:WARRINGTON
State:PA
ZIP:18976
Country:US
Phone:215-313-6484
CAGE:9C365

=============  Composition/Information on Ingredients  =============

Ingred Name:SODIUM METABISULFITE *
CAS:7681-57-4
RTECS #:UX8225000
Fraction by Wt: 100%
Other REC Limits:NONE DETERMINED
OSHA PEL:5 MG/M3 *
ACGIH TLV:5 MG/M3; 9192 *

=====================  Hazards Identification  =====================

LD50 LC50 Mixture:PARENTERAL MOUSE LD50 IS 910 MG/KG
Routes of Entry: Inhalation:YES  Skin:YES  Ingestion:YES
Reports of Carcinogenicity:NTP:NO    IARC:NO	OSHA:NO
Health Hazards Acute and Chronic:ACUTE: DUST IRRITATING TO NOSE &
    THROAT. INHALING MAY CAUSE ADVERSE REACTIONS INCLUDING
    BRONCHOSPASMS. CHRONIC: REPEATED OR PROLONGED EXPOSURE MAY CAUSE
    MUCOUS MEMBRANE IRRITATION. ADVERSE REACTIONS M AY OCCUR IN
    SUSCEPTIBLE INDIVIDUALS.
Explanation of Carcinogenicity:NONE OF THE CHEMICALS IN THIS PRODUCT IS
    LISTED BY IARC, NTP OR OSHA AS A CARCINOGEN.
Effects of Overexposure:EYE-IRRITATION, POSSIBLE CONJUNCTIVITIS.
    SKIN-IRRITANT, POSSIBLE DERMATITIS. INGEST-POSSIBLE NAUSEA & OTHER
    GASTROINTESTINAL DISTURB. INHALE-MAY CAUSE COUGHING OR DYSPNEA.
Medical Cond Aggravated by Exposure:PERSONS WITH A HISTORY OF SKIN AND
    RESPIRATORY DISORDERS MAY BE AT INCREASED RISK FROM EXPOSURE. SOME
    PERSONS ARE ALLERGIC, ESPECIALLY ASTHMATICS, EVEN TO FOOD
    CONTAINING THIS AS A PERSERVATIVE.

=======================  First Aid Measures  =======================

First Aid:EYE-FLUSH WITH ALRGE AMOUNTS OF WATER. SKIN-REMOVE
    CONTAMINATED CLOTHES/SHOES; WASH WITH SOAP & WATER FOR 15-20 MIN.
    INGEST-DO NOT USE GASTRIC LAVAGE OR EMESIS. DILUTE THE ACID BY
    DRINKING LARGE AMOUN TS OF WATER OR MILK. IF VOMITING PERSISTS,
    GIVE FLUIDS REPEATEDLY. INGESTED ACID MUST BE DILUTED 100 TIMES TO
    RENDER IT HARMLESS TO TISSUES. IN ALL CASES CONTACT A PHYSICIAN.

=====================  Fire Fighting Measures  =====================

Flash Point:NONE
Extinguishing Media:USE WATER FOG, CARBON DIOXIDE, FOAM, OR DRY
    CHEMICAL.
Fire Fighting Procedures:FIRE FIGHTERS SHOULD USE NIOSH APPROVED SCBA &
    FULL PROTECTIVE EQUIPMENT WHEN FIGHTING CHEMICAL FIRE. USE WATER
    SPRAY TO COOL NEARBY CONTAINERS EXPOSED TO FIRE.
Unusual Fire/Explosion Hazard:FIRE OR EXCESSIVE HEAT MAY CAUSE
    PRODUCTION OF HAZARDOUS DECOMPOSITION PRODUCTS.

==================  Accidental Release Measures  ==================

Spill Release Procedures:DO NOT TOUCH SPILL. STOP LEAK IF POSSIBLE.
    SMALL SPILL-TAKE UP WITH SAND OR OTHER ABSORBENT MATERIAL; WITH
    CLEAN SHOVEL PLACE INTO CLEAN, DRY CONTAINER FOR DISPOSAL; COVER &
    MOVE FROM SPILL AREA.

======================	Handling and Storage  ======================

Handling and Storage Precautions:STORE IN COOL, DRY, WELL VENTILATED
    AREA. PROTECT FROM PHYSICAL DAMAGE. KEEP CONTAINERS CLOSED.
Other Precautions:NONE

=============  Exposure Controls/Personal Protection  =============

Respiratory Protection:DEPENDS ON CONTAMINATION LEVELS. BEST PROCEDURE
    IS TO USE SELF-CONTAINED BREATHING APPARATUS WITH FULL FACEPIECE
    OPERATED IN POSITIVE PRESSURE MODE.
Ventilation:LOCAL EXHAUST &/OR GENERAL DILUTION VENTILATION.
Protective Gloves:USE IMPERVIOUS GLOVES.
Eye Protection:SPLASH PROOF OR DUST RESIST GOGGLES.
Other Protective Equipment:NONE SPECIFIED BY MANUFACTURER.
Work Hygienic Practices:WASH THOROUGHLY BEFORE EATING, SMOKING, AND
    USING SANITARY FACILITIES AFTER HANDLING THIS MATERIAL.
Supplemental Safety and Health
NONE

==================  Physical/Chemical Properties  ==================

HCC:T1
Melt/Freeze Pt:M.P/F.P Text:>302F,>150C
Spec Gravity:1.480
pH:<6
Solubility in Water:SOLUBLE
Appearance and Odor:WHITE TO YELLOWISH CRYSTALS OR POWDER.

=================  Stability and Reactivity Data  =================

Stability Indicator/Materials to Avoid:YES
SODIUM NITRITE: VIGOROUS EXTHERMIC REACTION. ACIDS: MAY CAUSE
    DECOMPSITION WITH FORMATION OF HYDROGEN SULFIDE.
Stability Condition to Avoid:HIGH TEMPERATURES AND PRESSURES.
Hazardous Decomposition Products:THERMAL DECOMPOSITION MAY RELEASE
    TOXIC OXIDES OF SULFUR AND SODIUM.

====================  Disposal Considerations  ====================

Waste Disposal Methods:FOLLOW ALL LOCAL, STATE, AND FEDERAL REGULATIONS
    FOR PROPER DISPOSAL OF THIS CHEMICAL.

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