Product ID:0421, SILICOTUNGSTIC ACID N-HYDRATE
MSDS Date:05/01/1989
FSC:6810
NIIN:00-319-4224
MSDS Number: BTZYZ

Emergency Phone: 800-424-8802

Info Phone: 201-859-2151

Cage: DO803

Telephone: 800-582-2537

Cage: 70829

SILICOTUNGSTIC ACID, N-HYDRATE; (SILICONE COMPOUND)

CAS: 12520-88-6

Fraction By Weight: 90-100%

OSHA PEL N/K

ACGIH TLV: N/K

LD50 LC50 Mixture:NONE SPECIFIED BY MANUFACTURER.
Routes of Entry: Inhalation:YES Skin:NO Ingestion:NO
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:INHALATION: HARMFUL & MAY BE FATAL.
SKIN/EYES: SEVERE IRRITATION OR BURNS. INGESTION: IRRITATION AND
BURNS TO MOUTH AND STOMACH. CHRONIC: NONE IDENTIFIED.
Explanation of Carcinogenicity:NOT RELEVANT
Effects of Overexposure:SEE HEALTH HAZARDS.
Medical Cond Aggravated by Exposure:NONE IDENTIFIED.

First Aid:INGEST: CALL MD. DO NOT INDUCE VOMITING. IF CONSCIOUS, GIVE
WATER, MILK/MILK OF MAGNESIA. INHAL: REMOVE TO FRESH AIR. IF NOT
BREATHING, GIVE ARTF RESP. IF BREATHING IS DIFFICULT, GIVE OXYGEN.
SKIN: IM MEDIATELY FLUSH W/PLENTY OF WATER FOR AT LEAST 15 MINUTES
WHILE REMOVING CONTAMINATED CLOTHING & SHOES. WASH CLOTHING BEFORE
RE-USE. EYES: IMMEDIATELY FLUSH W/PLENTY OF WATER FOR AT LEAST 15
MINUTES.

Flash Point Method:CC
Extinguishing Media:USE EXTINGUISHING MEDIA APPROPRIATE FOR SURROUNDING
FIRE.
Fire Fighting Procedures:USE NIOSH/MSHA APPROVED SCBA AND FULL
PROTECTIVE EQUIPMENT .
Unusual Fire/Explosion Hazard:NONE IDENTIFIED.

Spill Release Procedures:WEAR NIOSH/MSHA APPROVED SELF-CONTAINED
BREATHING APPARATUS AND FULL PROTECTIVE CLOTHING. WITH CLEAN
SHOVEL, CAREFULLY PLACE MATERIAL INTO CLEAN, DRY CONTAINER AND
COVER; REMOVE FROM AREA. FLUSH SPILL AREA WITH WATER.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:KEEP CONTAINER TIGHTLY CLOSED. STORE
IN CORROSION-PROOF AREA.
Other Precautions:CAUSES BURNS. MAY BE FATAL IF SWALLOWED OR INHALED.
DO NOT GET IN EYES, ON SKIN, ON CLOTHING. DO NOT BREATHE DUST. KEEP
IN TIGHTLY CLOSED CONTAINER. USE WITH ADEQUATE VENTILATION.

Respiratory Protection:NONE REQUIRED WHERE ADEQUATE VENT CONDITIONS
EXIST. IF AIRBORNE CONCENTRATION IS HIGH, A NIOSH/MSHA APPRVD
DUST/MIST RESP IS RECOM. IF CONCENTRATION EXCEEDS CAPACITY OF RESP,
A NIOSH/MSHA APPRVD SELF- CONTAINED BRTHG APPARATUS IS ADVISED.
Ventilation:USE ADEQUATE GENERAL OR LOCAL EXHAUST VENTILATION TO KEEP
FUME OR DUST LEVELS AS LOW AS POSSIBLE.
Protective Gloves:NEOPRENE GLOVES.
Eye Protection:ANSI APPRVD CHEM WORKERS GOGGS (SUPDAT)
Other Protective Equipment:EMERGENCY EYE WASH & DELUGE SHOWER MEETING
ANSI DESIGN CRITERIA . UNIFORM, APRON RECOMMENDED.
Work Hygienic Practices:WASH THOROUGHLY AFTER HANDLING.
Supplemental Safety and Health
EYE PROT: & FULL LENGTH FACESHIELD .

Solubility in Water:COMPLETE (100%)
Appearance and Odor:WHITE TO LIGHT YELLOW CRYSTALS.
Percent Volatiles by Volume:0

Stability Indicator/Materials to Avoid:YES
STRONG BASES.
Stability Condition to Avoid:NONE IDENTIFIED.
Hazardous Decomposition Products:NONE IDENTIFIED.

Waste Disposal Methods:DISPOSE IN ACCORDANCE WITH ALL APPLICABLE
FEDERAL, STATE AND LOCAL ENVIRONMENTAL REGULATIONS. HAZARDOUS WASTE
NUMBER: D002 (CORROSIVE WASTE).

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.