| [Fire Fighting] Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Extinguishing media: Use agent most appropriate to extinguish fire. | |
| [Ingestion] If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid immediately. | |
| [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. | |
| [Eyes] Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately. | |
| [Storage] Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. | |
| [Handling] Wash thoroughly after handling. Use with adequate ventilation. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. | |
| [Ingestion] The toxicological properties of this substance have not been fully investigated. | |
| [Inhalation] The toxicological properties of this substance have not been fully investigated. | |
| [Skin] No information regarding skin irritation and other potential effects was found. | |
| [Eyes] No information regarding eye irritation and other potential effects was found. | |
| [EC Risk Phrase] R 36/37/38 | |
| [EC Safety Phrase] S 26 36 | |
| [Personal Protection] Eyes: Wear chemical goggles. 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. | |
| [Appearance] White crystals. | |
| [Solubility in water] 169.9 g/L (20 C) | |
| [Melting Point] 259 | |
| [Density] 1.485 g/cm3 | |
| [Usage] Histamine is involved in local immune responses, regulating physiological function in the gut and as a neurotransmitter. | |
| [Product Name] L-Histidine hydrochloride monohydrate | |
| [Synonyms] (2S)-2-Amino-3-(3H-imidazol-4-yl)propanoic acid hydrate hydrochloride L-Histidine hydrochloride hydrate | |
| [CAS] "CASEN_5934-29-2.htm">5934-29-2 | |
| [Formula] C6H12ClN3O3 | |
| [Molecular Weight] 209.63 | |
| [EINECS] 211-438-9 | |
| [RTECS] MS3119000 | |
| [RTECS Class] Other | |
| [Merck] 13,4741 | |
| [Beilstein/Gmelin] 4168261 | |
| [Beilstein Reference] 4-25-00-04343 | |
| [Small spills/leaks] Sweep up or absorb material, then place into a suitable clean, dry, closed container for disposal. Avoid generating dusty conditions. | |
| [Incompatibilities] Oxidizing agents. | |
| [Stability] Stable under normal temperatures and pressures. | |
| [Decomposition] Nitrogen oxides, carbon monoxide, carbon dioxide. | |
| [HS Code] 2933 29 90 |
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