| [Fire Fighting] Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. To extinguish fire, use water, dry chemical, chemical foam, or alcohol-resistant foam. Use agent most appropriate to extinguish fire. | |
| [Ingestion] Wash mouth out with water. Get medical aid if irritation or symptoms occur. | |
| [Inhalation] Remove from exposure to fresh air immediately. Get medical aid if cough or other symptoms appear. | |
| [Skin] Get medical aid if irritation develops or persists. Flush skin with plenty of soap and water. | |
| [Eyes] Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. If irritation develops, get medical aid. | |
| [Storage] Store in a cool, dry place. Keep container closed when not in use. No special precautions indicated. | |
| [Handling] Wash hands before eating. Minimize dust generation and accumulation. Use with adequate ventilation. | |
| [Ingestion] Expected to be a low ingestion hazard. | |
| [Inhalation] Low hazard for usual industrial handling. | |
| [Skin] Non-irritating to the skin. | |
| [Eyes] May cause mild eye irritation. | |
| [Personal Protection] Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to minimize contact with skin. | |
| [Respirators] Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary. | |
| [Appearance] White solid. | |
| [Melting Point] >180 | |
| [Density] >1.0 g/cm3 (20 C) | |
| [Usage] L form is a nonessential amino acid in humans. Important in protein crosslinking. | |
| [Product Name] DL-Cysteine hydrochloride | |
| [Synonyms] (+/-)-Cysteine hydrochloride 2-Amino-3-sulfanylpropanoic acid hydrochloride | |
| [CAS] "CASEN_10318-18-0.htm">10318-18-0 | |
| [Formula] C3H7NO2S.ClH | |
| [Molecular Weight] 157.62 | |
| [EINECS] 233-698-2 | |
| [RTECS] HA2200000 | |
| [RTECS Class] Reproductive Effector | |
| [Beilstein/Gmelin] 4150473 | |
| [Beilstein Reference] 4-04-00-03145 | |
| [Small spills/leaks] Sweep up, then place into a suitable container for disposal. Avoid generating dusty conditions. Provide ventilation. | |
| [Stability] Stable under normal temperatures and pressures. | |
| [Incompatibilities] Strong oxidizing agents. | |
| [Decomposition] Carbon monoxide, irritating and toxic fumes and gases, carbon dioxide. |
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