Product ID:TRIETHYL PHOSPHITE, O-920
MSDS Date:09/01/1988
FSC:6810
NIIN:00N067972
MSDS Number: CBWWV

Emergency Phone: 215-692-3026

Info Phone: 215-692-3026

Cage: 84898

Telephone: 610-692-3026

Cage: 8Y898

PHOSPHOROUS ACID, TRIETHYL ESTER; (TRIETHYL PHOSPHITE)

CAS: 122-52-1

RTECS: TH1130000

OSHA PEL N/K

ACGIH TLV: N/K

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:ALL CHEMICALS SHOULD BE CONSIDERED
HAZARDOUS - AVOID DIRECT PHYSICAL CONTACT! CAN CAUSE SKIN
IRRITATION. CAN BE IRRITATING TO MUCOUS MEMBRANES. CAN CAUSE EYE
IRRITATION. CAN BE HARMFUL IF ABSORBED THR OUGH SKIN. CAN BE
HARMFUL IF INHALED. CAN BE HARMFUL IF SWALLOWED. PROLONGED EXPOSURE
MAY CAUSE NAUSEA/(EFTS OF OVEREXP)
Explanation of Carcinogenicity:NOT RELEVANT
Effects of Overexposure:HLTH HAZ:HEADACHE/DIZZINESS &/OR EYE DAMAGE.
DUST &/OR VAPORS CAN CAUSE IRRITATION TO RESPIRATORY TRACT. CHRONIC
EXPOSURE MAY CAUSE BRONCHITIS. NO TOXICITY DATA HAS BEEN FOUND.
ASSUME THIS CHEMICAL IS TOXIC & USE SPECIAL CARE TO AVOID CONTACT.
Medical Cond Aggravated by Exposure:NONE SPECIFIED BY MANUFACTURER.

First Aid:INGEST:CALL MD IMMED . EYES:FLUSH CONTINUOUSLY W/WATER FOR AT
LST 15-20 MINS. SKIN:FLUSH W/WATER FOR 15-20 MINS. IF NO BURNS HAVE
OCCURRED-USE SOAP & WATER TO CLEANSE SKIN. INHAL:REMOVE PATIENT TO
FRESH AIR. ADMIN OXYG IF PATIENT IS HAVING DFCLTY BRTHG. IF PATIENT
HAS STOPPED BRTHG ADMIN ARTF RESP. IF PATIENT IS IN CARDIAC ARREST
ADMIN CPR. CONTINUE LIFE SUPPORTING MEASURES UNTIL MED(SUPDAT)

Flash Point:129F,54C
Extinguishing Media:CARBON DIOXIDE, DRY CHEMICAL POWDER OR WATER SPRAY.
Fire Fighting Procedures:USE NIOSH/MSHA APPROVED SCBA & FULL PROTECTIVE
EQUIPMENT .
Unusual Fire/Explosion Hazard:NO EXPLOSION LIMITS ARE AVAILABLE FOR
THIS COMPOUND.

Spill Release Procedures:EVACUATE AREA. WEAR APPROPRIATE OSHA-REGULATED
EQUIPMENT. VENTILATE AREA. ABSORB ON VERMICULITE OR SIMILAR
MATERIAL. SWEEP UP & PLACE IN AN APPROPRIATE CONTAINER. HOLD FOR
DISPOSAL. WASH CONTAMINATED SURFACES TO REMOVE ANY RESIDUES.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:AVOID CONTACT W/SKIN, EYES & CLOTHING.
KEEP TIGHTLY CLOSED & STORE IN A COOL, DRY PLACE. STORE ONLY
W/COMPATIBLE CHEMICALS.
Other Precautions:PERSONS NOT SPECIFICALLY & PROPERLY TRAINED SHOULD
NOT HANDLE THIS CHEM/ITS CNTNR. THIS PROD IS FURNISHED FOR LAB USE
ONLY! PRODS MAY NOT BE USED AS DRUGS, COSMETICS,
AGRICULTURAL/PESTICIDAL PRODS, FO OD ADDITIVES/AS HOUSEHOLD
CHEMICALS.

Respiratory Protection:NIOSH/MSHA APPROVED RESPIRATOR APPROPRIATE FOR
EXPOSURE OF CONCERN .
Ventilation:THIS CHEMICAL SHOULD BE HANDLED ONLY IN A HOOD.
Protective Gloves:IMPERVIOUS GLOVES .
Eye Protection:ANSI APPROVED CHEM WORKERS GOGGS .
Other Protective Equipment:EYE WASH FOUNTAIN & DELUGE SHOWER WHICH MEET
ANSI DESIGN CRITERIA . USE APPROP NIOSH/MSHA APPROVED SAFETY EQUIP.
Work Hygienic Practices:CONTACT LENSES SHOULD NOT BE WORN IN THE
LABORATORY.
Supplemental Safety and Health
FIRST AID PROC:ASSISTANCE HAS ARRIVED. NOTE:AN ANTIDOTE IS A SUBSTANCE
INTENDED TO COUNTERACT EFT OF A POIS. IT SHOULD BE ADMINISTERED
ONLY BY MD/TRAINED EMER PERS. MED ADVICE CAN BE OBTAINED FROM A P
OIS CTL CTR.

Boiling Pt:B.P. Text:313F,156C
Spec Gravity:0.969
Solubility in Water:SOLUBLE
Appearance and Odor:COLORLESS LIQUID; ODORLESS COMPOUND.

Stability Indicator/Materials to Avoid:YES
INCOMPATIBLE W/STRONG BASES & STRONG OXIDIZING AGENTS.
Stability Condition to Avoid:DECOMPOSITION PRODUCTS ARE CORROSIVE.
DECOMPOSED BY MOISTURE. AIR SENSITIVE. COMBUSTIBLE.
Hazardous Decomposition Products:DECOMPOSITION LIBERATES TOXIC FUMES.

Waste Disposal Methods:DISPOSAL MUST BE I/A/W FEDERAL, STATE & LOCAL
REGULATIONS . BURN IN A CHEMICAL INCINERATOR EQUIPPED W/AFTERBURNER
& SCRUBBER.

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.