Product ID:TRIETHYLBORANE (TEB)
MSDS Date:04/01/1987
FSC:6840
NIIN:00F009030
MSDS Number: BGZFS

Emergency Phone: (203) 222-3000

Info Phone: (203) 222-3000

Cage: DO667

Telephone: (203) 226-6602

Cage: DO667

TRIETHYLBORANE

CAS: 97-94-9

RTECS: ED2100000

Fraction By Weight: 100%

LD50 LC50 Mixture:ORAL LD50: 235 MG/KG (MALE RATS)
Routes of Entry: Inhalation:YES Skin:YES Ingestion:NO
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:SKIN/EYES: CHEMICAL & THERMAL BURNS.
INHALATION: SEVERE IRRITATION OF RESPIRATORY TRACT, DIFFICULT
BREATHING CONVULSIONS, & DEATH. IF A KNOWN EXPOSURE OCCURS, DON'T
WAIT FOR SYMPTOMS TO DEVELOP.
Explanation of Carcinogenicity:NONE
Effects of Overexposure:SKIN/EYES: CHEMICAL & THERMAL BURNS.
INHALATION: SEVERE IRRITATION OF RESPIRATORY TRACT, DIFFICULT
BREATHING, CONVULSTIONS & DEATH. IF A KNOWN EXPOSURE OCCURS, DON'T
WAIT FOR SYMPTOMS TO DEVELOP.

First Aid:INGESTION: GIVE SEVERAL GLASSES OF WATER, DON'T INDUCE
VOMITING. DON'T GIVE ANYTHING BY MOUTH TO UNCONSCIOUS/CONVULSING
PERSON. SKIN: REMOVE ALL CONTAMINATED CLOTHING/SHOES. FLUSH
AFFECTED AREAS W/RUN NING WATER FOR AT LEAST 15 MINS. GET MED ATT.
DISCARD CONTAMINATED CLOTHING. EYE: FLUSH W/RUNNING WATER FOR 15
MINS. INHALATION: REMOVE TO FRESH AIR. IF VICTIM IS BREATHING GIVE
OXYGEN. GET MED ATT.

Flash Point:SPONTANEOUSLY
Extinguishing Media:DRY CHEMICAL, DRY SAND, VERMICULITE, CO2 OR WATER
Fire Fighting Procedures:A STANDARD ALUMINIZED FIREFIGHTING SUIT IS
RECOMMENDED FOR FIGHTING LARGE BORON ALKYL FIRES. IGNITES
SPONTANEOULY ON CONTACT W/AIR.
Unusual Fire/Explosion Hazard:DON'T USE FOAM, CARBON
TETRACHLORIDE/CHLOROBROMOMETHANE EXTINGUISHING AGENTS; REACTS
VIOLENTLY & LIBERATES TOXIC FUMES.

Spill Release Procedures:BLOCK OFF SOURCE OF SPILL. EXTINGUISH FIRE
W/EXTINGUISHING AGENT. REIGNITION MAY OCCUR. IF FIRE CAN'T BE
CONTROLLED W/EXTINGUISHING AGENT, KEEP A SAFE DISTANCE, PROTECT
ADJACENT PROPERTY & ALLOW PRODU CT TO BURN UNTIL CONSUMED.

Handling and Storage Precautions:STORE UNDER AN INERT ATMOSPHERE.
CONTAINERS SHOULD BE STORED IN A COOL, DRY, WELL-VENTILATED AREA
AWAY FROM FLAMMABLE MATERIALS/SOURCES OF HEAT/FLAME.
Other Precautions:ALL FOOD MUST BE KEPT IN A SEPARATE AREA AWAY FROM
THE STORAGE/USE LOCATION. EXCERISE DUE CAUTION TO PREVENT DAMAGE TO
OR LEAKAGE FROM THE CONTAINER.

Respiratory Protection:A NIOSH-APPROVED POSITIVE-PRESSURE SCBA OR
AIR-SUPPLIED RESPIRATOR.
Ventilation:THIS MATERIAL MUST BE HANDLED IN AN OPEN OR WELL-VENTILATED
AREA.
Protective Gloves:RESISTANT
Eye Protection:GLASSES, GOGGLES, FACE SHIELD
Other Protective Equipment:EYE WASH, SAFETY SHOWER.
Work Hygienic Practices:UPON SKIN CONTACT DON'T ATTEMPT TO NEUTRALIZE
W/CHEMICL AGENTS. DISCARD CONTAMINATED CLOTHES, SHOES.
Supplemental Safety and Health
DON'T USE WELDING/CUTTING TORCH ON OR NEAR ANY CONTAINER OF THIS
MATERIAL, EVEN EMPTY, BECAUSE AN EXPLOSION COULD OCCUR.

Boiling Pt:B.P. Text:203F
Melt/Freeze Pt:M.P/F.P Text:-59.2F
Vapor Pres:13
Vapor Density:0.685
Appearance and Odor:CLEAR, COLORLESS LIQUID.

Stability Indicator/Materials to Avoid:YES
REACTS VIOLENTLY OR LIBERATES TOXIC FUMES ON CONTACT W/FOAM, CARBON
TETRACHLORIDE OR CHLOROBROMOMETHANE.
Stability Condition to Avoid:REACTS SLOWLY W/WATER. REACTS
VIOLENTLY/IGNITES SPONTANEOUSLY W/AIR. OXYGEN/ORGANIC HALIDE
COMPOUNDS REACT VIGOROUSLY.
Hazardous Decomposition Products:CO2, WATER & BORON OXIDE

Waste Disposal Methods:DISPOSE OF EMPTY CONTAINERS ACCORDING TO
REGULATIONS UNDER RCRA. DISPOSE OF MATERIAL BY CONTROLLED
COMBUSTION/BY DILUTING TO <15% W/HEPTANE, TREAT W/HYDROGEN PEROXIDE
UNDER A NITROGEN ATMOSPHERE.

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.