| [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 spray, dry chemical, carbon dioxide, or chemical foam. | |
| [Ingestion] Never give anything by mouth to an unconscious person. Get medical aid. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water. Wash mouth out with water. | |
| [Inhalation] Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid. | |
| [Skin] Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse. | |
| [Eyes] Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid. | |
| [Storage] Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. | |
| [Handling] Avoid breathing dust, vapor, mist, or gas. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. Use with adequate ventilation. Wash clothing before reuse. | |
| [Ingestion] May cause gastrointestinal irritation with nausea, vomiting and diarrhea. May be harmful if swallowed. | |
| [Inhalation] Causes respiratory tract irritation. | |
| [Skin] Causes skin irritation. | |
| [Eyes] Causes 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 prevent skin exposure. | |
| [Respirators] A respiratory protection program that meets OSHA's 29 CFR 1910.134 and ANSI Z88.2 requirements or European Standard EN 149 must be followed whenever workplace conditions warrant a respirator's use. 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] Solid. | |
| [Melting Point] 143 | |
| [Density] 1.398 g/cm3 | |
| [Product Name] Methyl cysteine hydrochloride | |
| [Synonyms] Acdrile L-Cysteine, methyl ester, hydrochloride Mecysteine hydrochloride Methyl cysteinate hydrochloride Pectite Visclair | |
| [CAS] "CASEN_18598-63-5.htm">18598-63-5 | |
| [Formula] C4H10ClNO2S | |
| [Molecular Weight] 171.64 | |
| [EINECS] 242-435-0 | |
| [RTECS] HA2460000 | |
| [RTECS Class] Drug; Mutagen | |
| [Merck] 12,5828 | |
| [Beilstein/Gmelin] 3685824 | |
| [Beilstein Reference] 3-04-00-01601 | |
| [Small spills/leaks] Clean up spills immediately, using the appropriate protective equipment. Sweep up or absorb material, then place into a suitable clean, dry, closed container for disposal. Provide ventilation. | |
| [Stability] Stable at room temperature in closed containers under normal storage and handling conditions. | |
| [Incompatibilities] Strong oxidizing agents. | |
| [Decomposition] Hydrogen chloride, nitrogen oxides, carbon monoxide, oxides of sulfur, carbon dioxide. |