Description
Biochem/physiol Actions Endogenous H1 and H2 histamine receptor agonist; H1 activation mobilizes Ca2+; H2 activation stimulates adenylate cyclase activity in neurons; activates nitric oxide synthetase; potent vasodilator.

Properties
assay ≥97.0%
bp 167 °C/0.8 mmHg（lit.）
mp 83-84 °C（lit.）
Gene Information human ... CA1（759）, CA2（760）, HRH1（3269）, HRH2（3274）, HRH3（11255）, HRH4（59340）
  rat ... Hrh1（24448）, Hrh3（85268）
storage temp. −20°C

Safety
Personal Protective Equipment dust mask type N95 （US）, Eyeshields, Faceshields, Gloves
Hazard Codes Xn
Risk Statements 22-36/37/38-42/43
Safety Statements 22-26-36/37
RIDADR UN2811 6.1/PG 3
WGK Germany 3
RTECS MS1050000