L-CYSTEINE

Health hazards

Information OSHA Effects of Overexposure Skin Contact: None Identified Eye Contact: Information Eye Contact: None Identified Ingestion: None Identified Inhalation: None Identified

Potential chronic health

of Overexposure None Identified Exposure Limits: OSHA PEL TWA STEL Ceiling L-Cysteine NE ACGIH TLV TWA STEL Ceiling L-Cysteine NE Toxicity Data: L-Cysteine LD50 (oral, mouse) 660 mg/kg LD50 (oral, rat) 5580 mg/kg

Medical Conditions Generally Aggravated by Exposure

None Identified Target Organs: None Identified Reproductive Effects: None Identified Carcinogenicity: None Identified Component NTP Listing IARC Listing OSHA Regulated L-Cysteine No listing Emergency First Aid Procedures Skin Contact: Wash with soap and water. Eye Contact: Flush with water for at least 15 minutes. Seek immediate medical attention. Inhalation: Remove to fresh air. Ingestion: Give victim large amounts of water and induce vomiting. Never give anything by mouth to an unconscious or convulsing person. Seek immediate medical attention. Additional First aid and Treatment Notes: No information available Reactivity Data Stability: Stable Reactivity Data Stability: Stable Hazardous Polymerization: Will Not Occur Incompatibles: Incompatible with strong oxidizers. Decomposition Products: Oxides of sulfur. Oxides of carbon. Oxides of nitrogen. Conditions to Avoid: None identified Spill and Disposal Procedures Spill and Leak Procedures: Remove all igntion sources. Sweep or scoop into disposal container in a manner that minimizes dust dispersion. Wear suitable protective equipment.

Disposal

Procedures Dispose in accordance with all Local, State and Federal regulations. Protective Equipment Ventilation: Use adequate general or local exhaust ventilation to keep fume and/or dust levels as low as possible. Respiratory Protection: None needed unless use generates annoying or irritating dusts, mists or vapors. Use a dust/mist respirator mask if necessary. Skin and Eye Protective Equipment: Safety glasses. Use good chemical handling practices. Storage and Handling Precautions

Storage

Area GENERAL Store in a cool, dry area. Keep away from incompatible substances. Protect from direct light and minimize contact with air. Protect containers from physical damage. Transportation Information Regulated Material domestic ground transportation (reference: CFR Title 49, Transportation) Proper Shipping Name: UN or NA Identification number: Hazard Class and Label: Packing Group: Subsidiary Risk and Label: Regulated Material via Air Transportation (reference: ICAO Technical Instructions for the Safe Transport of Dangerous Goods by Air) Proper Shipping Name: UN Identification Number: Hazard Class and Label: Packing Group: Subsidiary Risk and Label: