Product ID:L-THREONINE, T8625
MSDS Date:07/01/1999
FSC:6505
NIIN:00N092640
Status Code:A
MSDS Number: CJTVX

Emergency Phone: 314-771-5765

Info Phone: 314-771-5765

Cage: 21076

Telephone: 314-771-5765

Cage: 21076

L-THREONINE

CAS: 72-19-5

RTECS: XO8590000

Routes of Entry: Inhalation:YES Skin:YES Ingestion:YES
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:ACUTE: MAY BE HARMFUL BY INHALATION,
INGESTION, OR SKIN ABSORPTION. MAY CAUSE EYE IRRITATION. MAY CAUSE
SKIN IRRITATION.
Effects of Overexposure:SEE HEALTH HAZARDS.

First Aid:EYES: IMMEDIATELY FLUSH WITH COPIOUS AMOUNTS OF WATER FOR AT
LEAST 15 MINUTES. SKIN: IMMEDIATELY WASH WITH SOAP AND COPIOUS
AMOUNTS OF WATER. INHALATION: REMOVE TO FRESH AIR IF NOT BREATHING
GIVE ARTI FICIAL RESPIRATION. IF BREATHING IS DIFFICULT, GIVE
OXYGEN. INGESTION: WASH OUT MOUTH WITH WATER PROVIDED PERSON IS
CONSCIOUS. CALL A PHYSICIAN. WASH CONTAMINATED CLOTHING BEFORE
REUSE.

Extinguishing Media:WATER SPRAY, CARBON DIOXIDE, DRY CHEMICAL POWDER OR
APPROPRIATE FOAM.
Fire Fighting Procedures:USE NIOSH APPROVED SCBA & FULL PROTECTIVE
EQUIPMENT .
Unusual Fire/Explosion Hazard:EMITS TOXIC FUMES UNDER FIRE CONDITIONS.

Spill Release Procedures:WEAR NIOSH APPROVED RESPIRATOR, CHEMICAL
SAFETY GOGGLES, RUBBER BOOTS AND HEAVY RUBBER GLOVES. SWEEP UP,
PLACE IN A BAG AND HOLD FOR WASTE DISPOSAL. AVOID RAISING DUST.
VENTILATE AREA AND WASH SPILL S ITE AFTER MATERIAL PICKUP IS
COMPLETE.

Handling and Storage Precautions:AVOID INHALATION. AVOID CONTACT WITH
EYES, SKIN AND CLOTHING. AVOID PROLONGED OR REPEATED EXPOSURE. KEEP
TIGHTLY CLOSED. STORE IN A COOL DRY PLACE.

Respiratory Protection:NIOSH APPROVED RESPIRATOR.
Ventilation:MECHANICAL EXHAUST REQUIRED.
Protective Gloves:COMPATIBLE CHEMICAL RESISTANT GLOVES.
Eye Protection:ANSI APPROVED CHEMICAL WORKERS GOGGLES .
Other Protective Equipment:ANSI APPROVED EYE WASH AND DELUGE SHOWER .
Work Hygienic Practices:WASH THOROUGHLY AFTER HANDLING.
Supplemental Safety and Health

Melt/Freeze Pt:=256.C, 492.8F
Appearance and Odor:WHITE CRYSTALLINE POWDER.

Stability Indicator/Materials to Avoid:YES
STRONG OXIDIZING AGENTS.
Hazardous Decomposition Products:HAZARDOUS COMBUSTION OR DECOMPOSITION
PRODUCTS TOXIC FUMES OF: CARBON MONOXIDE, CARBON DIOXIDE, NITROGEN
OXIDES.
Conditions to Avoid Polymerization:WILL NOT OCCUR.

Waste Disposal Methods:DISSOLVE OR MIX THE MATERIAL WITH A COMBUSTIBLE
SOLVENT AND BURN IN A CHEMICAL INCINERATOR EQUIPPED WITH AN
AFTERBURNER AND SCRUBBER. OBSERVE ALL FEDERAL, STATE AND LOCAL
ENVIRONMENTAL REGULATIONS.

Toxicological Information:TO THE BEST OF MFR'S KNOWLEDGE, THE CHEMICAL,
PHYSICAL, AND TOXICOLOGICAL PROPERTIES HAVE NOT BEEN THOROUGHLY
INVESTIGATED. RTECS #: XO8590000 THREONINE, L- TOXICITY DATA:
IPR-RAT LD50: 3098 MG/KG ABB IA4 58, 253,1955. ONLY SELECTED
REGISTRY OF TOXIC EFFECTS OF CHEMICAL SUBSTANCES (RTECS) DATA IS
PRESENTED HERE. SEE ACTUAL ENTRY IN RTECS FOR COMPLETE INFORMATION.

Ecological:DATA NOT YET AVAILABLE.

Transport Information:CONTACT SIGMA CHEMICAL COMPANY FOR TRANSPORTATION
INFORMATION.

Federal Regulatory Information:REVIEWS, STANDARDS, AND REGULATIONS:
OEL=MAK. NOHS 1974: HZD 81868; NIS 1; TNF 53; NOS 3; TNE 750. NOES
1983: HZD 81868: NIS 3; TNF 787; NOS 13; TNE 18524; TFE 13980. EPA
TSCA SECTION 8 (B) CHEMCIAL I NVENTORY.

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.