Product ID:HYDROFLUORIC ACID, 49%
MSDS Date:06/11/1986
FSC:6810
NIIN:00F009596
MSDS Number: BHLFD

FISHER SCIENTIFIC

1 REAGENT LANE
FAIR LAWN, NJ 07410

Emergency Phone: (201) 796-7100

Info Phone: (201) 796-7100

Cage: 1B464

FISHER SCIENTIFIC CO. CHEMICAL MFG DIV

FAIRLAWN, NJ 07410-2802 US

Telephone: 201-796-7100

Cage: 1B464

HYDROGEN FLUORIDE (SARA III)

CAS: 7664-39-3

RTECS: MW7875000

Fraction By Weight: 49%

OSHA PEL 3 PPM/6 STEL (F)

ACGIH TLV: C 3 PPM (F); 9192

EPA Report Quantity: 100 LBS

DOT Report Quantity: 100 LBS

WATER, H2O

CAS: 7732-18-5

RTECS: ZC0110000

Fraction By Weight: 51%

LD50 LC50 Mixture:100 PPM/1 MIN MAN TCLO INHALATION
Routes of Entry: Inhalation:YES Skin:YES Ingestion:YES
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:INHALATION: FEVER, COUGH, DYSPNEA,
CYANOSIS, & PULMONARY EDEMA OR BRONCHOPNEUMONIA. CORROSIVE/HIGHLY
TOXIC. HIGH LELS MAY CAUSE ULCERATIVE
TRAACHEOBRONCHITIS/HEMORRHAGIC PULMONARY EDEMA. SKIN/EYES: IR
RITATION, BURNS, BLINDNESS. INGESTION: NAUSEA, VOMITING, DIARRHEA,
CONVULSIONS, DEATH.
Explanation of Carcinogenicity:NONE
Effects of Overexposure:HYDROGEN FLUORIDE IS A HIGHLY TOXIC, SEVERE
EYE, MUCOUS MEMBRANE & SKIN IRRITANT. POISONING AFFECTS THE BRAIN,
KIDNEYS, CARDIOVASCULAR, NEUROMUSCULAR, & GASTROINTESTINAL SYSTEM.
CHRONIC EXPOSURE MAY P RODUCE FLUOROSIS OF SKELETAL SYSTEM.
INHALATION: SYMPTOMS CENTRAL
NERVOUS/HEADACHE/SALIVATION/COMA/CONVULSIONS/DEATH.
Medical Cond Aggravated by Exposure:DEATH FROM PULMONARY EDEMA OCCURED
W/IN 2 HRS IN 3 OF 6 WORKERS SPLASHED W/70% SOLUTION, DEPSITE
PROMPT SHOWERING.

First Aid:INHALATION: REMOVE FROM EXPOSURE AREA TO FRESH AIR. IF
BREATHING HAS STOPPED, GIVE ARTIFICIAL RESPIRATION. KEEP AFFECTED
PERSON WARM/AT REST. SKIN: REMOVE CONTAMINATED CLOTHING/SHOES. WASH
AFFECTED AR EA W/SOAP OR MILD DETERGENT/LARGE AMTS OF WATER. EYES:
WASH W/LARGE AMTS OF WATER. INGESTION: IF VICTIM IS CONSCIOUS, GIVE
LARGE QTYS OF WATER TO DILUTE THE ACID. DON'T INDUCE VOMITING. GET
MED ATTN.

Flash Point:NONFLAMMABLE
Extinguishing Media:DRY CHEMICAL, CO2, WATER SPRAY, FOG OR ALCOHOL
FOAM.
Fire Fighting Procedures:DON'T GET WATER INSIDE CONTAINER. MOVE
CONTAINER FROM FIRE AREA IF POSSIBLE. COOL FIRE-EXPOSED CONTAINERS
W/WATER FROM SIDE UNTIL WELL AFTER FIRE IS OUT.
Unusual Fire/Explosion Hazard:ISOLATE AREA UNTIL GAS HAS DISPERSED.
SLIGHT FIRE HAZARD WHEN EXPOSED TO HEAT OR FLAME.

Spill Release Procedures:STOP LEAK IF YOU CAN DO IT W/O RISK. USE WATER
SPRAY TO REDUCE VAPORS BUT DON'T PUT WATER ON LEAK OR SPILL AREA.
ISOLATE AREA UNTIL GAS HAS DISPERSED. FOR LARGE SPILLS, DIKE FAR
AHEAD OF SPILL FOR LAT ER DISPOSAL. EVACUATE AREA ENDANGERED BY
GAS.
Neutralizing Agent:SLAKED LIME, SODIUM BICARBONATE OR CRUSHED LIMESTONE

Handling and Storage Precautions:DON'T GET WATER INSIDE CONTAINER. MOVE
CONTAINER FROM FIRE AREA IF POSSIBLE. AVOID BREATHING CORROSIVE
VAPORS.

Respiratory Protection:SELF-CONTAINED BREATHING APPARATUS W/FULL
FACEPIECE OPERATED IN PRESSURE-DEMAND OR OTHER POSITIVE-PRESSURE
MODE, OR EQUIVALENT RESPIRATOR FOR LEVELS OF 15 MG/CUM.
Ventilation:PROVIDE LOCAL EXHAUST VENTILATION TO KEEP Protective Gloves:ACID RESISTANT
Eye Protection:SAFETY GOGGLES, FACESHIELD
Other Protective Equipment:PROVIDE AN EYE-WASH FOUNTAIN WITH THE
IMMEDIATE WORK AREA.
Supplemental Safety and Health
POISONING MAY CAUSE HYPOMAGNESEMIA/HYPOCALCEMIA RESULTING IN TETANY
ESPECIALLY OF EXTREMITIES/MUSCLE
SPASMS/CONVULSIONS/PARASTHESIAS/HYPOTENSION/SHOCK/SINUS
TACHYCARDIA/CARDIAC ARRHYTHMIAS/MULTIPLE AT TACTKS OF VENTRICULAR
FIBRILLATION/DEATH. REPEATED/PROLONGED EXPOSURE TO LOW VAPOR LEVELS
MAY CAUSE CONJUNCTIVITIS.

Boiling Pt:B.P. Text:226F
Vapor Pres:10
Vapor Density:0.7
Spec Gravity:1.1-1.2
pH:ACID
Solubility in Water:COMPLETE
Appearance and Odor:COLORLESS, FUMING LIQUID WITH A PUNGENT ODOR.

Stability Indicator/Materials to Avoid:YES
REACTS EXOTHERMICALLY W/WATER. CORROSIVE TO GLASS, SILICEOUS MATERIALS,
METALS, CYANOGEN FLUORIDE, ARSENIC/CALCIUM OXIDE
Stability Condition to Avoid:HEAT, FLAME
Hazardous Decomposition Products:MAY RELEASE CORROSIVE HYDROGEN
FLUORIDE, HYDROGEN GAS.

Waste Disposal Methods:SARA REPORTABLE QTY = 100 LBS.

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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.