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RDD044

Sigma-Aldrich

Imidazole

ReagentPlus®, 99%, Redi-Dri™, free-flowing

Synonym(s):

Glyoxaline; 1, 3-diazole, 1,3-Diaza-2,4-cyclopentadiene, Glyoxaline

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About This Item

Empirical Formula (Hill Notation):
C3H4N2
CAS Number:
288-32-4
Molecular Weight:
68.08
Beilstein:
103853
MDL number:
MFCD00005183
UNSPSC Code:
12352005
NACRES:
NA.21
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vapor pressure

<1 mmHg ( 20 °C)

Quality Level

100

product line

ReagentPlus®
Redi-Dri™

Assay

99%

form

powder

quality

free-flowing

pH

9-11 at 100 g/L (23 °C)

pKa (25 °C)

6.95

bp

256 °C (lit.)

mp

85-92 °C
88-91 °C (lit.)

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General description

Imidazole is a buffering agent employed in various research applications, with a pH 9 -11, it is often used to maintain a stable pH for protein samples. Imidazole is a heterocyclic compound with a five-membered planar ring that is amphoteric, highly polar, and commonly used for affinity chromatography. Its ability to bind to metal ions makes it particularly useful for purification and separation of proteins.

Application

Excellent for buffers in the range of pH 6.2-7.8
Imidazole is commonly used as a buffer component for purification of the histidine-tagged recombinant proteins in immobilized metal-affinity chromatography (IMAC).

Features and Benefits

  • Redi-Dri packaging controls moisture for hygroscopic chemicals that commonly clump
  • Anhydrous powder remains free-flowing and easy to use
  • Safer to handle and weigh out for routine use in lab
  • Eliminates clumps to maintain product moisture and quality

Other Notes

For additional information on our range of Biochemicals, please complete this form.

Legal Information

ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany
Redi-Dri is a trademark of Sigma-Aldrich Co. LLC

Signal Word

Danger

Hazard Statements

H302,H314,H360D

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

Regulatory Information

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    Certificates of Analysis (COA)

    Lot/Batch Number
    WXBF1924V
    WXBC8735V
    WXBD9900V
    WXBD9011V
    WXBD2886V

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    Katarzyna M Koczula , Andrea Gallotta
    Essays in Biochemistry, 60(1), 111-120 (2016)

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