Product ID:09836 AMMONIUM HYDROGEN DIFLUORIDE
MSDS Date:07/31/1996
FSC:6850
NIIN:00F055850
MSDS Number: CGVVH

SIGMA CHEMICAL COMPANY

3050 SPRUCE ST
SAINT LOUIS, MO 63178-5000
US

Emergency Phone: 314-771-5765/800-325-3010

Info Phone: 314-771-5765/800-325-3010

Cage: 21076

SIGMA CHEMICAL COMPANY

14508 ST LOUIS, MO 63178 US

Telephone: 314-771-5765

Cage: 21076

AMMONIUM BIFLUORIDE

CAS: 1341-49-7

RTECS: BQ9200000

OSHA PEL 2.5 MG/CUM

ACGIH TLV: 2.5 MG/CUM

EPA Report Quantity: 100 LBS

DOT Report Quantity: 100 LBS

Routes of Entry: Inhalation:YES Skin:YES Ingestion:YES
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:HARMFUL IF INGESTED, INHALED/SKIN
ABSORPTION. EXTREMELY DESTRUCTIVE TO TISSUE OF THE MUCOUS MEMBRANES
& UPPER RESPIRATORY TRACT, EYES & SKIN. INHALATION: FATAL,
RESULTING IN EDEMA OF THE LARYNX, BRONC HI, CHEMICAL PNEUMONITIS &
PULMONARY EDEMA. FLUORIDE ION CAN REDUCE SERUM CALCIUM LEVELS
CAUSING FATAL HYPOCALCEMIA.(SUP
Explanation of Carcinogenicity:NONE
Effects of Overexposure:SPASM, INFLAMMATION, BURNING SENSATION,
COUGHING, WHEEZING, LARYNGITIS, SHORTNESS OF BREATH, HEADACHE,
NAUSEA, VOMITING, SALIVATION, ABDOMINAL PAIN, FEVER, LABORED
BREATHING.

First Aid:EYES/SKIN: FLUSH W/COPIOUS AMOUNTS OF WATER FOR 15 MINS.
INHALATION: REMOVE TO FRESH AIR. GIVE CPR/OXYGEN IF NEEDED.
INGESTION: WASH OUT MOUTH W/WATER IF CONSCIOUS. OBTAIN MEDICAL
ATTENTION IN ALL CAS ES.

Extinguishing Media:DRY CHEMICAL POWDER.
Fire Fighting Procedures:WEAR SCBA & PROTECTIVE CLOTHING.
Unusual Fire/Explosion Hazard:EMITS TOXIC FUMES UNDER FIRE CONDITIONS.

Spill Release Procedures:SCBA SHOULD BE WORN. EVACUATE AREA. SWEEP UP,
PLACE IN A BAG & HOLD FOR WASTE DISPOSAL. VENTILATE AREA & WASH
SITE AFTER MATERIAL PICKUP IS COMPLETE.

Handling and Storage Precautions:STORE IN A COOL DRY PLACE. KEEP
TIGHTLY CLOSED.
Other Precautions:AVOID PROLONGED/REPEATED EXPOSURE. DON'T GET IN EYES,
SKIN/CLOTHING. AVOID INHALATION.

Respiratory Protection:WEAR APPROPRIATE NIOSH/MSHA APPROVED RESPIRATOR.
Ventilation:CHEMICAL FUME HOOD.
Protective Gloves:CHEMICAL RESISTANT
Eye Protection:SAFETY GOGGLES
Other Protective Equipment:PROTECTIVE CLOTHING, SAFETY SHOWER & EYE
BATH.
Work Hygienic Practices:REMOVE/LAUNDER CONTAMINATED CLOTHING & SHOES
BEFORE REUSE. WASH THOROUGHLY AFTER HANDLING.
Supplemental Safety and Health
HLTH HZRDS CONT'D: PROLONGED EXPOSURE TO FLUORIDE, RESULTS IN
PERFORATION OF THE NASAL SEPTUM & EXCESSIVE CLASSIFICATION OF THE
BONES, LIGAMENTS & TENDONS.

Melt/Freeze Pt:M.P/F.P Text:257F
Spec Gravity:1.5
Appearance and Odor:WHITE CRYSTALS

Stability Indicator/Materials to Avoid:YES
ACIDS, BASES, GLASS.
Stability Condition to Avoid:MOISTURE.
Hazardous Decomposition Products:COMBUSTION: AMMONIA, HYDROGEN
FLUORIDE.

Waste Disposal Methods:CAUTIOUSLY DISSOLVE IN WATER. NEUTRALIZE
W/SODIUM CARBONATE/FIRST ADD A LITTLE HYDROCHLORIC ACID FOLLOWED BY
SODIUM CARBONATE. ADD CALCIUM CHLORIDE TO PRECIPITATE. SEPARATE
INSOLUBLES & BURY IN A LAND FILL SITE, IAW/FEDERAL, STATE & LOCAL
REGULATIONS.

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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.