Product ID:HYDROFLUORIC ACID - ANHYDROUS, TECHNICAL
MSDS Date:01/01/1987
FSC:6810
NIIN:00N006832
MSDS Number: BCNRX

DUPONT

1007 MARKET STREET
WILMINGTON, DE 19899
US

Emergency Phone: 800-441-7515

Info Phone: 800-441-7515

Cage: EO596

E.I. DUPONT DE NEMOURS & CO

WILMINGTON, DE 19898 US

Telephone: 800-441-7515;800-441-9442

Cage: 18873

HYDROGEN FLUORIDE (SARA III)

CAS: 7664-39-3

RTECS: MW7875000

Fraction By Weight: 99.9%

OSHA PEL 3 PPM/6 STEL (F)

ACGIH TLV: C 3 PPM (F); 9192

EPA Report Quantity: 100 LBS

DOT Report Quantity: 100 LBS

Effects of Overexposure:IMMED/SERIOUS BURNS ON CONTCT. DILUTE HF HAS
DELAYED SYMPTOMS;VAP:IRRIT,BURNS. INH:LUNG DAM;PUL EDMA

First Aid:SKIN: IMMED SHOWER W/COPIOUS AMTS OF WATER W/IN SECONDS OF
CONTACT,COMPLETELY REMOVE ALL CLOTHING WHILE IN SHOWER. SHOWER UP
TO 30 MIN OR LONGER TO REMOVE ALL HF. GET MEDICAL TREATMENT.
(REMEMBER,DILU TED HF WILL HAVE DELAYED SYMPTOMS) (SEESUPP DATA)

Flash Point:WILL NOT BURN
Extinguishing Media:WATER,CARBON DIOXIDE (CO*2) DO NOT GET WATER IN
ACID TANKS.
Fire Fighting Procedures:KEEP UPWIND;WEAR FULL ACID
SUIT,HOOD,BOOTS,SCBA.
Unusual Fire/Explosion Hazard:HF (ESP. IN DILUTE AQUEOUS SOLTN) WILL
ATTACK MOST METALS,RELEASING POTENTIALLY EXPLOS HYDROGEN GAS.

Spill Release Procedures:KEEP UPWIND. EVACUATE UNTIL GAS HAS DISPERSED.
ENTER CONTAMINATED AREA ONLY W/FULL PROTECTIVE EQUIP & SCBA. DIKE
SPILL. DILUTE W/WATER FOG (DIRECT ADDITION OF WATER OR ALKALI
CAUSES HEAT & VIOLENT SPA TTERING) NEUTRALIZE W/LIME. DO NOT FLUSH
TO SEWER.

Handling and Storage Precautions:KEEP AWAY FROM HEAT,SPARKS & FLAME.
KEEP CONTAINER TIGHTLY CLOSED. DRAINAGE FACILITIES SHOULD BE
CONSTRUCT FOR CONTAINMENT OF SPILLS.
Other Precautions:PROTECTIVE EQUIPMENT CONTINUED: LONG SLEEVE
COVERALLS, HARD HAT W/BRIM. FOR POSS OF DIRECT CONTACT: FULL
ACID-PROOF SUIT W/HOOD & SCBA. SAFETY SHOWER, EYEWASH STATION.

Respiratory Protection:NIOSH/MSHA APPROVED SELF-CONTAINED BREATHING
APPAR FOR DIRECT CONTCT
Ventilation:FORCED DRAFT VENTIL & SCRUBBERS FOR FUME CONTROL; KEEP Protective Gloves:PVC GAUNTLET
Eye Protection:CHEM SPLASH GOGGLES
Other Protective Equipment:RUBBER SHOES W/PVC/NEOPRENE SOLES (SEE OTHER
PRECAUTIONS)
Supplemental Safety and Health
SPEC GRAV: 1.0 AT 32F. FIRST AID: EYE:IMMED FLUSH W/WATER 15 MIN ALT
W/ICE COMPRESS;GET MD IMMED. INH: REMOVE TO FRESH AIR;ADMIN O*2
ASAP;CALL MD. INGEST:DO NOT INDUCE VOMIT;DRINK MILK;CALL MD

Boiling Pt:B.P. Text:67.1F/19.5C
Vapor Pres:912
Vapor Density:2.4
Evaporation Rate & Reference:>1.0 (BU AC = 1)
Solubility in Water:100
Appearance and Odor:CLEAR,COLORLESS,FUMING LIQUID; ACRID ODOR
Percent Volatiles by Volume:100

Stability Indicator/Materials to Avoid:YES
MOST METALS,CYANIDES,SULFIDES. CORRODES GLASS & CERAMICS
Hazardous Decomposition Products:WILL NOT OCCUR

Waste Disposal Methods:COMPLY W/FEDERAL, STATE & LOCAL REGULATIONS.

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.