| [Fire Fighting] Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Dusts at sufficient concentrations can form explosive mixtures with air. Extinguishing media: Use water spray, dry chemical, or carbon dioxide. | |
| [Ingestion] If victim is conscious and alert, give 2-4 cupfuls of milk or water. Get medical aid. | |
| [Inhalation] Remove from exposure to fresh air immediately. Get medical aid if cough or other symptoms appear. | |
| [Skin] Immediately flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Get medical aid if irritation develops or persists. | |
| [Eyes] Immediately 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, well-ventilated area away from incompatible substances. | |
| [Handling] Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Minimize dust generation and accumulation. Avoid contact with skin and eyes. Avoid ingestion and inhalation. | |
| [Ingestion] Low hazard for usual industrial handling. | |
| [Inhalation] Low hazard for usual industrial handling. | |
| [Skin] Low hazard for usual industrial handling. | |
| [Eyes] Contact may cause transient 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] 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. | |
| [Poison Class] 4 | |
| [Appearance] White powder. A covalently linked dimeric nonessential amino acid formed by the oxidation of CYSTEINE. Two molecules of cysteine are joined together by a disulfide bridge to form cystine. | |
| [Solubility in water] 110 mg/L | |
| [Melting Point] 261 - 262 | |
| [Boiling Point] 428 | |
| [Density] 1.677 g/cm3 | |
| [Partition Coefficient] -1.38 | |
| [Product Name] 2-Amino-3-[(2-amino-2-carboxyethyl)dithio]propanoic acid | |
| [Synonyms] (2R)-2-Amino-3-[(2R)-2-amino-3-hydroxy-3-oxopropyl]disulfanylpropanoic acid L-(-)-3,3'-Dithiobis (2-aminopropionic acid) | |
| [CAS] "CASEN_56-89-3.htm">56-89-3 | |
| [Formula] C6H12N2O4S2 | |
| [Molecular Weight] 240.3 | |
| [EINECS] 200-296-3 | |
| [RTECS] HA2690000 | |
| [RTECS Class] Drug | |
| [Merck] 13,2811 | |
| [Beilstein/Gmelin] 1728094 | |
| [Beilstein Reference] 4-04-00-03155 | |
| [Small spills/leaks] Sweep up, then place into a suitable container for disposal. | |
| [Disposal Code] 31 | |
| [Stability] Stable under normal temperatures and pressures. | |
| [Incompatibilities] Strong oxidizers. | |
| [Decomposition] Nitrogen oxides, carbon monoxide, oxides of sulfur, carbon dioxide. | |
| [HS Code] 2930 90 14 |