Sell CYSTEAMINEHCL

Description

备注ï&frac*4;š Synonyms: 2 - amino-ethanethiol hydrochloride, α-cysteamine hydrochloride English name :*-Cysteamine HCL Aminoethanethiol hydrochloride CAS :*******0 EINECS :********1 Formula: C2H8ClNS Properties: white crystalline substance; a special odor; easy to deliquescence, soluble in water and ethanol; light and unstable, easily oxidized to Cys aqueous solution of ammonia, sometimes precipitated; mp is *1 ℃; LD*0 (rat, abdominal) **1.9 mg / kg. Uses: It is manufactured cimetidine, ranitidine and other drugs, intermediates Cysteamine hydrochloride First, the name Chinese name: Cysteamine hydrochloride English name: CYSTEAMINEHCL. Abbreviations: CYS Molecular formula: C2H7NS • HCL Structural formula: HS-CH*-CH*-NH2 • HCL Molecular weight: **3.6 CASNO: [*******0] Second, the physical and chemical properties This product is white crystal block, with a slight odor, soluble in water, ethanol and other solvents, massive crystal Tesco moisture and deliquescence, the case of air easily oxidized hair green, the event also made Fate green, non-inflammable and explosive materials, No corrosive effect on the human body. This product has a reductive reaction with oxidants, with many organic compounds from the condensation reaction. Third, the product uses 1. For drugs cimetidine, ranitidine, nizatidine intermediate; 2. For intermediate fructose diphosphatase; 3. For radiation protection agents and biological agents; 4. As pesticide intermediates. Fourth, product specifications and quality indicators 1, *5% cysteamine hydrochloride solid (1) content: ≥ *5.*0% (2) Melting point :****0 ℃ (3) Appearance: white solid (4) Identification: positive reaction (5) PH value (*0% solution) :3.**5 .0 (6) iron ion: ≤ *0ppm