All Photos(8)

792527

Sigma-Aldrich

Imidazole

anhydrous, free-flowing, Redi-Dri, ACS reagent, ≥99%

Synonym(s):
1,3-Diaza-2,4-cyclopentadiene, Glyoxaline
Empirical Formula (Hill Notation):
C3H4N2
CAS Number:
Molecular Weight:
68.08
Beilstein:
103853
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.21

Quality Level

grade

ACS reagent
anhydrous

vapor pressure

<1 mmHg ( 20 °C)

product line

Redi-Dri

assay

≥99%

form

solid

quality

free-flowing

impurities

≤0.2% water

ign. residue

≤0.1%

pH

9.5-11.0 (25 °C, 5% in H2O)

pKa (25 °C)

6.95

bp

256 °C (lit.)

mp

88-91 °C (lit.)

cation traces

Fe: ≤0.001%

SMILES string

c1c[nH]cn1

InChI

1S/C3H4N2/c1-2-5-3-4-1/h1-3H,(H,4,5)

InChI key

RAXXELZNTBOGNW-UHFFFAOYSA-N

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Packaging

1 kg in poly bottle
100, 500 g in poly bottle

Application

Excellent for buffers in the range of pH 6.2-7.8

Legal Information

Redi-Dri is a trademark of Sigma-Aldrich Co. LLC

Signal Word

Danger

Hazard Statements

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1 - Repr. 1B - Skin Corr. 1C

Storage Class Code

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

WGK

WGK 2

Flash Point(F)

293.0 °F - closed cup

Flash Point(C)

145 °C - closed cup

Certificate of Analysis

Certificate of Origin

E Rosalie Witjas-Paalberends et al.
The Journal of physiology, 592(15), 3257-3272 (2014-06-15)
The first mutation associated with hypertrophic cardiomyopathy (HCM) is the R403Q mutation in the gene encoding β-myosin heavy chain (β-MyHC). R403Q locates in the globular head of myosin (S1), responsible for interaction with actin, and thus motor function of myosin....
Joy Rathjen et al.
Reproduction, fertility, and development, 26(5), 703-716 (2013-06-14)
Human embryonic stem (ES) cells have been proposed as a renewable source of pluripotent cells that can be differentiated into various cell types for use in research, drug discovery and in the emerging area of regenerative medicine. Exploitation of this...
Joel E Schmidt et al.
Angewandte Chemie (International ed. in English), 53(32), 8372-8374 (2014-06-26)
Crystalline molecular sieves are used in numerous applications, where the properties exploited for each technology are the direct consequence of structural features. New materials are typically discovered by trial and error, and in many cases, organic structure-directing agents (OSDAs) are...
Sandra Blanchet et al.
Nucleic acids research, 43(6), 3298-3308 (2015-03-05)
In eukaryotes, translation termination is performed by eRF1, which recognizes stop codons via its N-terminal domain. Many previous studies based on point mutagenesis, cross-linking experiments or eRF1 chimeras have investigated the mechanism by which the stop signal is decoded by...
Aleksanteri Aspelund et al.
The Journal of clinical investigation, 124(9), 3975-3986 (2014-07-26)
In glaucoma, aqueous outflow into the Schlemm's canal (SC) is obstructed. Despite striking structural and functional similarities with the lymphatic vascular system, it is unknown whether the SC is a blood or lymphatic vessel. Here, we demonstrated the expression of...

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