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53310

Sigma-Aldrich

Histamine bisphosphate monohydrate

≥99.0% (NT)

Synonym(s):

2-(4-Imidazolyl)ethylamine diphosphate salt, 2-(4-Imidazolyl)ethylamine diphosphate salt monohydrate, Histamine diphosphate salt monohydrate

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About This Item

Empirical Formula (Hill Notation):
C5H9N3 · 2H3PO4 · H2O
CAS Number:
Molecular Weight:
325.15
Beilstein:
3744619
EC Number:
MDL number:
UNSPSC Code:
12352005
eCl@ss:
32160406
PubChem Substance ID:
NACRES:
NA.22

Quality Level

Assay

≥99.0% (NT)

form

solid

mp

128-132 °C

storage temp.

−20°C

SMILES string

[H]O[H].OP(O)(O)=O.OP(O)(O)=O.NCCc1c[nH]cn1

InChI

1S/C5H9N3.2H3O4P.H2O/c6-2-1-5-3-7-4-8-5;2*1-5(2,3)4;/h3-4H,1-2,6H2,(H,7,8);2*(H3,1,2,3,4);1H2

InChI key

CNSGLKZGHLZDHQ-UHFFFAOYSA-N

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General description

Histamine bisphosphate monohydrate is an imidazole containing heterocyclic building block that can be employed in chemical synthesis. Its crystal structure belongs to the monoclinic space group, P21/c and shows O–H ? O and N–H?O hydrogen bonds.

Signal Word

Danger

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1 - Resp. Sens. 1 - Skin Irrit. 2 - Skin Sens. 1 - STOT SE 3

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Crystal structure of histamine diphosphate monohydrate.
Veidis MV, et al.
J. Chem. Soc. Sect. A, 2659-2666 (1969)
A M Bramley et al.
American journal of respiratory and critical care medicine, 152(5 Pt 1), 1513-1517 (1995-11-01)
The recent demonstration of increased shortening of asthmatic airway smooth muscle could result from increased contractility of the muscle itself or from a decreased load that must be overcome by the smooth muscle to shorten. To evaluate the role of
K D Altria et al.
Journal of pharmaceutical and biomedical analysis, 13(8), 951-957 (1995-07-01)
A capillary electrophoresis method has been developed and validated for the analysis of a wide range of basic drugs. Acceptable precision was obtained by employing an internal standard. Optimal sensitivity was obtained using low UV wavelengths. An experimentally designed study
S Rietveld et al.
Health psychology : official journal of the Division of Health Psychology, American Psychological Association, 16(6), 547-553 (1997-12-05)
The discordance between the objective and subjective symptoms of asthma has major effects on proper medication and management. In 2 studies the influence of respiratory sounds in the process of symptom perception underlying breathlessness was investigated in children aged 7-17
R A Kennis et al.
American journal of veterinary research, 59(1), 7-9 (1998-01-27)
To compare skin test reactivity of ID injected histamine phosphate in clinically normal dogs that were physically restrained or anesthetized with propofol. 12 clinically normal adult dogs. Nonanesthetized dogs (group 1) were restrained and shaved on the right side of

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