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IX0005

Sigma-Aldrich

Imidazole

Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS

Synonym(s):
Imidazole, Glyoxaline, 1
Linear Formula:
-NHCH=NCH=CH-
CAS Number:
MDL number:
EC Index Number:
206-019-2

vapor pressure

0.003 hPa ( 20 °C)

Assay

≥99%

form

solid

pH

10.5 (20 °C, 67 g/L in H2O)

bp

256 °C/1013 hPa

mp

90 °C

transition temp

flash point 145 °C

density

1.03 g/cm3

shipped in

ambient

storage temp.

room temp

InChI

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

InChI key

RAXXELZNTBOGNW-UHFFFAOYSA-N

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I0250I5513792527
Imidazole Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS

Sigma-Aldrich

IX0005

Imidazole

Imidazole ≥99% (titration), crystalline

Sigma-Aldrich

I0250

Imidazole

Imidazole for molecular biology, ≥99% (titration)

Sigma-Aldrich

I5513

Imidazole

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

Sigma-Aldrich

792527

Imidazole

assay

≥99%

assay

≥99% (titration)

assay

≥99% (titration)

assay

≥99%

form

solid

form

crystalline

form

crystalline powder

form

solid

pH

10.5 (20 °C, 67 g/L in H2O)

pH

6.2-7.8 (25 °C)

pH

6.2-7.8 (25 °C)

pH

9.5-11.0 (25 °C, 5% in H2O)

bp

256 °C/1013 hPa

bp

256 °C (lit.)

bp

256 °C (lit.)

bp

256 °C (lit.)

mp

90 °C

mp

88-91 °C (lit.)

mp

88-91 °C (lit.)

mp

88-91 °C (lit.)

General description

GR ACS Imidazole
IX0005-2 50g Poly Bottle

Application

Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS

Analysis Note

Assay99% minIron (Fe)0.001% maxResidue after ignition0.1% maxWater (H2O)0.2% maxpH of a 5% solution at 25°C9.5-11.0

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


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