Product ID:L-CYSTEIC ACID MONOHYDRATE, C7630
MSDS Date:07/01/1999
FSC:6505
NIIN:00N092448
Status Code:A
MSDS Number: CJTYW

Emergency Phone: 314-771-5765

Info Phone: 314-771-5765

Cage: 21076

Telephone: 314-771-5765

Cage: 21076

L-CYSTEIC ACID MONOHYDRATE

CAS: 23537-25-9

Routes of Entry: Inhalation:YES Skin:YES Ingestion:YES
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:ACUTE EFFECTS: MAY BE HARMFUL BY
INHALATION, INGESTION OR SKIN ABSORPTION. MAY CAUSE EYE IRRITATION.
MAY CAUSE SKIN IRRITATION. TO THE BEST OF MANUFACTURER'S KNOWLEDGE,
THE CHEMICAL, PHYSICAL AND TOXI COLOGICAL PROPERTIES HAVE NOT BEEN
THOROUGHLY INVESTIGATED.
Effects of Overexposure:SEE HEALTH HAZARDS.

First Aid:EYES: IN CASE OF CONTACT, IMMEDIATELY FLUSH EYES WITH COPIOUS
AMOUNTS OF WATER FOR AT LEAST 15 MINUTES. SKIN: IN CASE OF CONTACT,
IMMEDIATELY WASH SKIN WITH SOAP AND COPIOUS AMOUNTS OF WATER.
INHALATI ON: IF INHALED, REMOVE TO FRESH AIR. IF NOT BREATHING GIVE
ARTIFICIAL RESPIRATION. IF BREATHING IS DIFFICULT, GIVE OXYGEN.
INGESTION: IF SWALLOWED, WASH OUT MOUTH WITH WATER PROVIDED PERSON
IS CONSCIO US. 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 AND FULL PROTECTIVE
EQUIPMENT TO PREVENT CONTACT WITH SKIN AND EYES.
Unusual Fire/Explosion Hazard:EMITS TOXIC FUMES UNDER FIRE CONDITIONS.

Spill Release Procedures:CHEMICAL SAFETY GOGGLES. USE PROTECTIVE
CLOTHNG, GLOVES AND MASK. SWEEP UP, PLACE IN A BAG AND HOLD FOR
WASTE DISPOSAL. AVOID RAISING DUST. VENTILATE AREA AND WASH SPILL
SITE AFTER MATERIAL PICKUP IS COMPLETE.

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

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:EYE WASH AND DELUGE SHOWER MEETING ANSI
DESIGN CRITERIA .
Supplemental Safety and Health

Melt/Freeze Pt:=267.C, 512.6F
M.P/F.P Text:(DEC)
Appearance and Odor:WHITE POWDER.

STRONG OXIDIZING AGENTS.
Hazardous Decomposition Products:TOXIC FUMES OF: CARBON MONOXIDE,
CARBON DIOXIDE, NITROGEN OXIDES, SULFUR OXIDES.

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:SEE HEALTH HAZARDS.

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.

Ecological:DATA NOT YET AVAILABLE.

Transport Information:CONTACT SIGMA CHEMICAL COMPANY FOR TRANSPORTATION
INFORMATION.

Federal Regulatory Information:EUROPEAN INFORMATION: CAUTION: SUBSTANCE
NOT YET FULLY TESTED.
State Regulatory Information: