Product ID:HFS
MSDS Date:01/01/1985
FSC:6810
NIIN:00-935-5817
MSDS Number: BFXRN

ESSEX CHEMICAL CORPORATION

1401 BROAD ST
CLIFTON, NJ 07015
US

Cage: 22360

ESSEX CHEMICAL CORP

AUBURN HILLS, MI 48326 US

Telephone: 248-391-6300

Cage: 22360

FLUOSILICIC ACID

CAS: 16961-83-4

RTECS: VV8225000

Fraction By Weight: 25.0%

ACGIH TLV: 3 PPM (AIR)

WATER

CAS: 7732-18-5

RTECS: ZC0110000

Fraction By Weight: 75.0%

Effects of Overexposure:IRRITATES EYES & RESPIRATORY TRACT & CAUSES
CHEMICAL BURNS. CORROSIVE TO MUCOUS MEMBRANES, ULCERS.

First Aid:INHALATION(SEVERE EXPOSURE):REMOVE TO UNCONTAMINATED AREA.IF
NOT BREATHING,ARTIFICIAL RESPIRATION,THEN OXYGEN BY QUALIFIED
ATTENDANT.SKIN CONTACT:REMOVE CONTAMINATED CLOTHING,DRENCH WITH
WATER,APPLY I CE-COLD SATD SOLN OF EPSOM SALTS.EYES:WASH W/H*2O.

Fire Fighting Procedures:COOLING OUTSIDES OF CONTAINER W/WATER IF
EXPOSED TO FIRE.
Unusual Fire/Explosion Hazard:WILL ATTACK SOME METALS & RELEASE
FLAMMABLE HYDROGEN.CAN BE DISSIPATED WITH ADEQUATE VENTING.

Spill Release Procedures:AVOID CONTACT W/LIQUID-WEAR PROTECTIVE
CLOTHING. FLUSH AWAY WITH LARGE QUANYITIES OF WATER FROM A SAFE
DISTANCE-NEUTRALIZE WITH LIME OR SODA ASH FIRST, IF SPILL IS LARGE.

Handling and Storage Precautions:STORE IN APPROVED-TYPE RUBBER OR
PLASTIC CONTAINERS. ALWAYS HAVE SAFETY-SHOWER & EYEWASH FOUNTAIN
NEARBY.
Other Precautions:WILL ATTACK GLASS AND MATERIALS CONTAINING SILICA
(CONCRETE, TILE PIPE, CAST IRON.

Respiratory Protection:PROPER ACID CANNISTER W/FULL FACEPIECE (APPROVED
BY BUREAU OF MINES)
Ventilation:LOCAL EXHAUST-DISCHARGE AWAY FROM WORK AREA,
MECHANICAL-O.K.
Protective Gloves:RUBBER
Eye Protection:CHEMICAL SAFETY GOGGLES.
Other Protective Equipment:PLASTIC FACESHIELD, RUBBER SUITS &
HAT,SAFETY SHOES,SHWR,EYE
Supplemental Safety and Health
PH OF 1% SOLUTION IS 1.2.

HCC:C1
Boiling Pt:B.P. Text:222.5F
Spec Gravity:1.224
Solubility in Water:COMPLETE
Percent Volatiles by Volume:100

Stability Indicator/Materials to Avoid:YES
CARBON STEEL, SILICA BEARING MATERIALS,
Stability Condition to Avoid:OVERHEATING.
Hazardous Decomposition Products:HYDROFLUORIC ACID, SILICON
TETRAFLUORIDE.

Waste Disposal Methods:NEUTRALIZE WITH LIME OR SODA ASH. INSTALL
SUITABLE NEUTRALIZING & WASTE DISPOSAL SYSTEM.

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.