Histamine；2-(4-Imidazolyl)ethylamine

CAS No.: 51-45-6

C5H9N3=111.15

Grade: BR

Content: ≥ 98.0%

Histidine: not detected

Sulfate: ≤ 0.02%

Heavy metals: ≤ 10ppm

Arsenic salt: ≤ 10ppm

Loss on drying: ≤ 0.3%

Physicochemical properties: white to light yellow crystalline or crystalline powder, air sensitive. Hygroscopic. It is easy to deteriorate under sunlight, soluble in water, ethanol and hot chloroform, and slightly soluble in ether. Boiling point 209 ~ 210 ℃ (2.40kpa). Median lethal dose (mouse, abdominal cavity) 2020mg/kg. Irritating. Histamine is inactivated by histaminase and imidazole-n-methyl transcarboxylase

Purpose: biochemical research. Endogenous H1 and H2 histamine receptor agonists; H1 activates and moves ca2+; H2 activates and stimulates adenylate cyclase activity in neurons; Activate NO synthase

Storage: 2 ~ 8 ℃, away from light