Product ID:HYDROFLUORIC ACID
MSDS Date:04/06/1989
FSC:6810
NIIN:00N040495
MSDS Number: BSGQS

MALLINCKRODT INC

PARIS, KY 43061
US

Emergency Phone: 314-982-5000

Info Phone: 314-982-5000

Cage: 62910

MALLINCKRODT SPECIALTY CHEMICALS CO

PHILLIPSBURG, NJ 08865 US

Telephone: 908-859-2151

Cage: 62910

WORK AREA. PLEASE REFER TO ACGIH DOCUMENT "INDUST

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COOL BEFORE OPEN.

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SLEEVES. HIGH PROTECTION IS OBTAINED

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SUITABLE FOR CNDTNS. MAINTAIN EYE WASH FOUNTAIN &

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HYDROFLUORIC ACID

CAS: 7664-39-3

RTECS: MW7875000

OSHA PEL 3 PPM;6 STEL

ACGIH TLV: 2.5 MG/M3 (F)

EPA Report Quantity: 100 LBS

DOT Report Quantity: 100 LBS

TETRAFLUORIDE, A HAZ COLORLESS GAS.

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FROM ABSORPTION OF FLUORINE ION INTO BLOOD

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GENEROUS AMT OF 50.50 WATER/MAGNESIUM

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CALCIUM GLUCONATE U.S.P. POWDER W/UNIBASE, A

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UNTIL MED HELP ARRIVES OR PATIENT HAS BEEN

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OPEN EYES THORO W/LG BUT GENTLE STREAM OF WATER FOR @

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ICE PACK ON EYES UNTIL REACHING EMERGENCY ROOM.

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FOLLOW UP W/INERT ABSORB (ACID SPILL TAMER) &

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CONTAINERIZE IN PLASTIC MATLS & SAVE FOR DISP. WASH

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100 LBS (200 LBS PROD).

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GENERALLY PREFERRED BECAUSE IT CAN CTL EMISSIONS OF

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LD50 LC50 Mixture:NONE SPECIFIED BY MANUFACTURER.
Routes of Entry: Inhalation:YES Skin:YES Ingestion:YES
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:ACUTE:INHAL:SEVERELY CORR TO RESP
TRACT. MAY CAUSE SORE THROAT, COUGHING, LABORED BRTHG & LUNG
CONGEST/INFLAMM. INGEST:CORR. MAY CAUSE SEV THROAT, ABDOM PAIN,
DIARR, VOMIT, & SEV BURNS OF DIGEST TRACT . SKIN:CORR. SKIN CONT
CAUSES SERIOUS SKIN BURNS WHICH MAY NOT BE IMMED APPARENT/PAINFUL.
SYMPS MAY BE (EFTS OF OVEREXP)
Explanation of Carcinogenicity:NOT RELEVANT
Effects of Overexposure:HLTH HAZ:DELAYED 8 HRS/LONGER. FLUORIDE ION
READILY PENETRATES SKIN CAUSING DESTRUCTION OF DEEP TISSUE LAYERS &
EVEN BONE. EYE: CORR. SYMPS OF RED, PAIN, BLURRED VISION, & PERM
EYE DAM MAY OCCUR. CHRO NIC: INTAKE OF MORE THAN 6 MG OF FLUORIDE
PER DAY MAY RSLT IN FLUORSIS. HYPOCALCEMIA & HYPOMAGNESEMIA CAN
OCCUR (ING 3)
Medical Cond Aggravated by Exposure:PERSONS W/PRE-EXISTING SKIN
DISORDERS, EYE PROBLEMS OR IMPAIRED KIDNEY/RESPIRATORY FUNCTION MAY
BE MORE SUSCEPTIBLE TO EFTS OF THIS SUBSTANCE.

First Aid:INHAL: GET MED HELP IMMED. IF UNCON, GIVE ARTF RESP/USE
INHAL. KEEP WARM & RESTING & SEND TO HOSP AFTER FIRST AID IS
COMPLETE. INGEST: DO NOT INDUCE VOMIT BECAUSE OF PROBABLE SEV
BURNS. IF CONSCIOUS, GIVE LG QTY OF MILK/IF NOT AVAIL, WATER. SEND
TO HOSP IMMED. SKIN: GET MED HELP IMMED. REMOVE CONTAMD CLTHG &
IMMED WASH SKIN W/PLENTY OF WATER TO REMOVE ACID. W/OUT DELAY COVER
BURN W/A (ING 4)

Extinguishing Media:KEEP UPWIND OF FIRE. USE WATER/CARBON DIOXIDE ON
FIRES IN WHICH HYDROFLUORIC ACID IS INVOLVED. IN CASE OF (SUPP
DATA)
Fire Fighting Procedures:NIOSH/MSHA APPRVD SCBA & FULL PROT EQUIP.
AVOID GETTING WATER IN TANKS/DRUMS; WATER CAN CAUSE GENERATION OF
HEAT & SPATTERING. IN CONT W/AIR (SUPP DATA)
Unusual Fire/Explosion Hazard:NOT CONSIDERED TO BE A FIRE HAZARD.
REACTS W/METALS FORMING FLAMMABLE GAS (HYDROGEN).

Spill Release Procedures:NOTIFY SFTY PERS, PROVIDE ADEQ VENT, & REMOVE
IGNIT SOURCES SINCE HYDROGEN MAY BE GENERATED BY RXN W/METALS. USE
PROT CLTHG & EQUIP. DO NOT FLUSH TO SEWERS/WATERWAYS. SPILLS:EVAC
DANGER AREA. APPLY MA GNESIUM SULFATE (DRY) TO SPILL AREA. (ING 9)
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:KEEP IN TIGHTLY CLSD POLYETHYLENE
CONTRS. STORE IN A COOL, DRY PLACE W/ADEQ VENT SEPARATED FROM OTHER
CHEM. PROTECT FROM PHYSICAL DAM.
Other Precautions:STOR FACILITIES SHOULD BE CONSTRUCTED FOR CONTAIN &
NEUT OF SPILLS.HNDLG & STOR OF HF REQS SPEC MATLS & TECHNOLOGY FOR
CONTRS, PIPES, VALVES, ETC, WHICH IS AVAIL FROM SUPPLIERS. DO NOT
GET IN EYES, ON SKIN/CLTHG. DO NOT BREATHE VAP.(ING 14)

Respiratory Protection:IF PEL IS EXCE EDED, WEAR A NIOSH/MSHA APPROVED
SUPPLIED AIR RESPIRATOR, FULL FACE-PIECE RESPIRATOR, AIRLINED HOOD,
OR SCBA.
Ventilation:A SYS OF LOC &/OR GEN EXHAUST IS RECOM TO KEEP EMPLOYEE
EXPOS BELOW AIRBORNE EXPOS LIM. LOC EXHAUST VENT IS (ING 12)
Protective Gloves:GAUNTLETS & GLOVES OF PVC/NEOPRENE.
Eye Protection:SFTY GOGG & FULL LENGTH FSHLD.
Other Protective Equipment:PROT CLTHG INCL BOOTS/SFTY SHOES W/POLYVINYL
CHLORIDE (PVC); NEOPRENE OR COMPOSITION SHOES. COVERALLS W/LONG
(ING 15)
Work Hygienic Practices:CONTACT LENSES SHOULD NOT BE WORN WHEN WORKING
W/MATERIAL.
Supplemental Safety and Health
EXTING MEDIA:FIRE, SEALED CONTRS CAN BE KEPT COOL BY SPRAYING W/WATER.
FIRE FIGHT PROC:ACID GIVES OFF CORR FUMES WHICH ARE HVR/AIR. MATL
TO AVOID: ETHYLENEDIAMINE, ACETIC ANHYDRIDE. WILL ALSO REACT W/
STEAM/WATER TO PRDCE TOX FUMES. HAZ DECOMP:GLASS & OTHER SILICON
CNTNG CMPDS. REACTS W/SILICA TO REDUCE SILICON (ING 2)

Boiling Pt:B.P. Text:226F,108C
Melt/Freeze Pt:M.P/F.P Text:<-33F,<-36C
Vapor Pres:25@29C
Spec Gravity:1.17-1.18
Solubility in Water:INFINITELY SOLUBLE
Appearance and Odor:CLEAR, COLORLESS LIQUID, ACRID ODOR

Stability Indicator/Materials to Avoid:YES
ARSENIC TRIOXIDE, PHOSPHORUS PEROXIDE, AMMONIA, CALCIUM OXIDE, SODIUM
HYDROXIDE, SULFURIC ACID, VINYL ACETATE, (SUPDAT)
Stability Condition to Avoid:NONE SPECIFIED BY MANUFACTURER.
Hazardous Decomposition Products:ON CONT W/METALS, LIBERATES HYDROGEN
GAS. ON HEATING TO DECOMP, COULD YIELD TOX FUMES OF FLUORIDES.
ATTACKS (SUPP DATA)

Waste Disposal Methods:NEUTRALIZED SLURRY CAN BE SCRAPED UP FOR DISP IN
A RCRA APPRVD WASTE FAICLITY. NOTE: POROUS MATLS (CONCRETE, WOOD,
PLASTIC, ETC). WILL ABSORB HF & BECOME A HAZ FOR AN INDEFINITE
TIME. SUCH SPILLS SHOU LD BE CLEANED & NEUT IMMED. REPORTABLE
QTY(ING 11)

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.