*  Exposure Controls/Personal Protection  *
Respiratory Protection:NIOSH/MSHA APPROVED DUST MASK.
Ventilation:LOCAL EXHAUST SYSTEM REQUIRED.
Other Protective Equipment:NONE SPECIFIED BY MANUFACTURER.
Work Hygienic Practices:NONE SPECIFIED BY MANUFACTURER.
Supplemental Safety and Health
NONE SPECIFIED BY MANUFACTURER.
*  Product Identification  *
*  Composition/Information on Ingredients  *
Ingred Name:L-CYSTINE
OSHA PEL:N/K 
ACGIH TLV:N/K 
*  Hazards Identification  *
Routes of Entry: Inhalation:NOSkin:NO  Ingestion:NO
Reports of Carcinogenicity:NTP:NO    IARC:NOOSHA:NO
Health Hazards Acute and Chronic:ESSENTIALLY NON-TOXIC.
Explanation of Carcinogenicity:NOT RELEVANT
Effects of Overexposure:
Medical Cond Aggravated by Exposure:
*  First Aid Measures  *
First Aid:SKIN:RINSE LIBERALLY W/SOAP & WATER FOR A CONSIDERABLE
    DRINK 1-2 GLASSES OF WATER. EYES:RINSE LIBERALLY W/WATER FOR AT
*  Fire Fighting Measures  *
Extinguishing Media:MEDIA SUITABLE FOR SURROUNDING FIRE .
Fire Fighting Procedures:USE NIOSH/MSHA APPROVED SCBA & FULL PROTECTIVE
    EQUIPMENT .
Unusual Fire/Explosion Hazard:
*  Accidental Release Measures  *
Spill Release Procedures:SWEEP INTO SUITABLE CONTAINER FOR DISPOSAL.
Neutralizing Agent:
*Handling and Storage  *
Handling and Storage Precautions:
Other Precautions:
*  Physical/Chemical Properties  *
Solubility in Water:SLIGHTLY SOLUBLE
Appearance and Odor:POWDER.
*  Stability and Reactivity Data  *
Stability Indicator/Materials to Avoid:YES
Stability Condition to Avoid:
Hazardous Decomposition Products:VERY TOXIC FUMES OF NO*X & SO*X.
*  Disposal Considerations  *
Waste Disposal Methods:DISPOSAL MUST BE I/A/W FEDERAL, STATE & LOCAL
    REGULATIONS . MATERIAL MAY BE DISPOSED OF IN TRASH.
