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Sigma-Aldrich

Histamine bisphosphate monohydrate

≥99.0% (NT)

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Synonym(s):
2-(4-Imidazolyl)ethylamine diphosphate salt, 2-(4-Imidazolyl)ethylamine diphosphate salt monohydrate, Histamine diphosphate salt monohydrate
Empirical Formula (Hill Notation):
C5H9N3 · 2H3PO4 · H2O
CAS Number:
51-74-1
Molecular Weight:
325.15
Beilstein/REAXYS Number:
3744619
EC Number:
200-118-4
MDL number:
MFCD00150816
UNSPSC Code:
12352005
eCl@ss:
32160406
PubChem Substance ID:
57651405
NACRES:
NA.22

Quality Level

100

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.

signalword

Danger

Hazard Classifications

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

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Faceshields, Gloves

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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
T Ogata et al.
The Anatomical record, 245(3), 559-567 (1996-07-01)
Despite numerous previous studies, the presumed continuity of the luminal and tubulovesicular membranes in frog oxyntic (oxyntico-peptic) cells remains to be convincingly demonstrated. This study was undertaken to clarify this question by ultra-high-resolution scanning electron microscopy of specially prepared frog
K J Koh et al.
The British journal of dermatology, 147(6), 1212-1217 (2002-11-28)
Tea tree oil is the essential oil steam-distilled from Melaleuca alternifolia, an Australian native plant. In recent years it has become increasingly popular as an antimicrobial for the treatment of conditions such as tinea pedis and acne. To investigate the
F E Simons et al.
Annals of allergy, asthma & immunology : official publication of the American College of Allergy, Asthma, & Immunology, 86(1), 44-50 (2001-02-24)
The relative contribution of histamine and the cysteinyl leukotrienes to the early and late cutaneous allergic responses (ECAR and LCAR) can be studied using antagonists of these mediators. To determine the relative suppression of the ECARs and LCARs using standard
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