MilliporeSigma
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53290

Sigma-Aldrich

Histamine

base, ≥97.0% (NT)

Synonym(s):
2-(4-Imidazolyl)ethylamine
Empirical Formula (Hill Notation):
C5H9N3
CAS Number:
Molecular Weight:
111.15
Beilstein:
2012
EC Number:
MDL number:
PubChem Substance ID:

assay

≥97.0% (NT)

bp

167 °C/0.8 mmHg (lit.)

mp

83-84 °C (lit.)
~84 °C

storage temp.

−20°C

SMILES string

NCCc1c[nH]cn1

InChI

1S/C5H9N3/c6-2-1-5-3-7-4-8-5/h3-4H,1-2,6H2,(H,7,8)

InChI key

NTYJJOPFIAHURM-UHFFFAOYSA-N

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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.

Pictograms

Skull and crossbonesHealth hazard

Signal Word

Danger

Hazard Classifications

Acute Tox. 3 Oral - Eye Irrit. 2 - Resp. Sens. 1 - Skin Irrit. 2 - Skin Sens. 1 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

6.1C - Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

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Certificate of Origin

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