Product ID:L-CYSTEINE, HYDROCHLORIDE, 2430
MSDS Date:02/22/1999
FSC:6550
NIIN:00N092482
Status Code:A
MSDS Number: CJSST

Emergency Phone: 800-424-9300 (CHEMTREC)

Info Phone: 800-854-3417

Cage: 29089

Telephone: 619-450-5558; 800-854-3417

Cage: 29089

L-CYSTEINE, HYDROCHLORIDE

CAS: 52-89-1

RTECS: HA2275000

OSHA PEL N/K

ACGIH TLV: N/K

LD50 LC50 Mixture:SEE TOXICOLOGICAL INFORMATION.
Routes of Entry: Inhalation:YES Skin:YES Ingestion:YES
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:MAY BE HARMFUL BY INGESTION,
INHALATION OR ABSORPTION THROUGH SKIN. MATERIAL MAY CAUSE
IRRITATION TO THE EYES, SKIN, MUCOUS MEMBRANES, AND THE UPPER
RESPIRATORY TRACT.
Effects of Overexposure:SEE HEALTH HAZARDS.

First Aid:SKIN: WASH IMMEDIATELY WITH SOAP AND COPIOUS AMOUNTS OF WATER
FOR AT LEAST 15 MINUTES. REMOVE CONTAMINATED CLOTHING AND SHOES AND
WASH BEFORE WEARING. CONSULT A PHYSICIAN. EYES: FLUSH IMMEDIATELY
WITH COPIOUS AMOUNTS OF WATER FOR AT LEAST 15 MINUTES. ASSURE
ADEQUATE FLUSHING BY SEPARATING THE EYELIDS WITH FINGERS. CONSULT A
PHYSICIAN. INHALATION: REMOVE TO FRESH AIR AND MONITOR BREATHING.
IF BREAT HING BECOMES DIFFICULT, GIVE OXYGEN AND CONSULT A
PHYSICIAN. IF BREATHING STOPS, GIVE ARTIFICIAL RESPIRATION AND
CONSULT A PHYSICIAN. INGESTION: WASH MOUTH OUT WITH WATER AND
CONSULT THE LOCAL POISON CENTER AND A PHYSICIAN.

Extinguishing Media:DRY CHEMICAL POWDER, CARBON DIOXIDE, WATER SPRAY,
ALCOHOL OR POLYMER FOAM.
Fire Fighting Procedures:WEAR NIOSH APPROVED SCBA AND FULL PROTECTIVE
EQUIPMENT .
Unusual Fire/Explosion Hazard:UPON THERMAL DECOMPOSITION, IT MAY EMIT
TOXIC GASES.

Spill Release Procedures:EVACUATE AREA. WEAR A NIOSH APPROVED
RESPIRATOR, CHEMICAL SAFETY GOGGLES, RUBBER BOOTS, AND HEAVY RUBBER
GLOVES. SWEEP UP AND PLACE IN A SUITABLE CONTAINER. AVOID RAISING
DUST. HOLD FOR APPROPRIATE DI SPOSAL. WASH SPILL SITE AND VENTILATE
AREA AFTER MATERIAL PICKUP IS COMPLETE.

Handling and Storage Precautions:STORE IN A TIGHTLY CLOSED CONTAINER IN
A COOL, DRY PLACE (+20C). MATERIAL IS AN IRRITANT. AVOID CONTACT
WITH MATERIAL. AVOID PROLONGED OR REPEATED EXPOSURE. LAB SHOULD BE
EQUIPPED WITH A SAFETY SHOWER AND AN EYE WASH STATION. WASH
THOROUGHLY AFTER HANDLING MATERIAL.

Respiratory Protection:USE A NIOSH APPROVED RESPIRATOR.
Ventilation:HANDLE IN A CHEMICAL FUME HOOD WITH ADEQUATE VENTILATION.
Protective Gloves:CHEMICAL RESISTANT GLOVES.
Eye Protection:ANSI APPROVED CHEMICAL WORKERS GOGGLES .
Other Protective Equipment:ANSI APPROVED EMERGENCY EYEWASH AND DELUGE
SHOWER .
Work Hygienic Practices:WASH THOROUGHLY AFTER HANDLING.
Supplemental Safety and Health

Solubility in Water:SOLUBLE
Appearance and Odor:WHITE SOLID.

Stability Indicator/Materials to Avoid:YES
AVOID CONTACT WITH METALS.
Stability Condition to Avoid:STABLE UNDER NORMAL HANDLING PROCEDURES.
Hazardous Decomposition Products:UPON THERMAL DECOMPOSITION, MAY EMIT
TOXIC GASES INCLUDING CARBON MONOXIDE, CARBON DIOXIDE, NITROGEN
OXIDES, SULFUR OXIDES, AND HYDROGEN CHLORIDE GAS.

Waste Disposal Methods:COUNTRY, FEDERAL, STATE, & LOCAL REGULATIONS ARE
VARIED & CHANGE FREQUENTLY. FOR THIS REASON, MANUFACTURER
RECOMMENDS THAT YOU CONTACT YOUR LOCAL DEPARTMENT OF HEALTH
SERVICES FOR INFORMATION ON THE D ISPOSAL OF THIS PRODUCT/ARRANGE
FOR DISPOSAL BY A LICENSED DISPOSAL COMPANY. DISPOSE OF IN
ACCORDANC E WITH LOCAL, STATE, & FEDERAL REGULATIONS .

Toxicological Information:RTECS NUMBER: HA2275000. TOXICITY DATA AND
REFERENCES: IPR; MUS; LD50: 1250 MG/KG NATIONAL TECHNICAL
INFORMATION SERVICE. AD691-490. IVN; MUS; LD50: 771 MG/KG 1985.
JAPANESE JOURNAL OF ANTIBIOTICS. 38 , 137. UNR; MUS; LD50: 3 G/KG
1952. BRITISH JOURNAL OF CANCER. 6, 160. GENETIC DATA AND
REFERENCES: FBR; HAM; DOSE: 2 G/L CYTOGENETIC ANALYSIS 1984. FOOD
AND CHEMICAL TOXICOLOGY. 22, 623. REFER TO THE REGISTRY OF TOXIC
EFFECTS OF CHEMICAL SUBSTANCES (RTECS) FOR A DEFINITION OF
ABBREVIATIONS USED IN THE ABOVE TEXT AND FOR ADDITIONAL
INFORMATION. THIS REPORT CONTAINS ONLY SELECTED INFORMATION FROM T
HE RTECS.

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:NO INFORMATION AVAILABLE.

Transport Information:UN NUMBER: N/A. PROPER SHIPPING NAME: N/A. IATA
CLASS: N/A. IATA PACKING GROUP: N/A.

Federal Regulatory Information:XI. RISK PHRASES: R36/37/38: IRRITATING
TO EYES, RESPIRATORY SYSTEM AND SKIN. SAFETY PHRASES: S22: DO NOT
BREATHE DUST. S24/25: AVOID CONTACT WITH SKIN AND EYES. S26: IN
CASE OF CONTACT WITH EYES, RIN SE IMMEDIATELY WITH PLENTY OF WATER
AND SEEK MEDICAL ADVICE. S36/37/39: WEAR SUITABLE PROTECTIVE
CLOTHING, GLOVES AND EYE/FACE PROTECTION. S45: IN CASE OF ACCIDENT
OR IF YOU FEEL UNWELL, SEEK MEDICAL ADVICE IMMEDIATELY.
State Regulatory Information: