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I0250 Sigma

Imidazole

≥99% (titration), crystalline

Synonym: 1,3-Diaza-2,4-cyclopentadiene, Glyoxaline

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Properties

Related Categories Biochemicals and Reagents, Biological Buffers, Buffers A to Z More...
Quality Level   PREMIUM
vapor pressure   <1 mmHg ( 20 °C)
InChI Key   RAXXELZNTBOGNW-UHFFFAOYSA-N
assay   ≥99% (titration)
form   crystalline
impurities   ≤0.005% Fluorescence blank (β-NADH equivalence.)
color   white
pH   6.2-7.8 (25 °C)
pKa (25 °C)   6.95
bp   256 °C(lit.)
mp   88-91 °C(lit.)

Description

Application

Excellent for buffers in the range of pH 6.2-7.8

Packaging

1, 5, 25, 100, 250 g in glass bottle

Price and Availability

Suggested Laboratory Gloves


Laboratory GlovesThis substance has been tested against several types of hand protection for CE compliance. Click below to find the recommended gloves for handling this product.



Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
RIDADR 
UN 3263 8 / PGII
WGK Germany 
2
RTECS 
NI3325000
Flash Point(F) 
293 °F
Flash Point(C) 
145 °C
Protocols & Articles

Protocols

Enzymatic Assay of Fructose-6-Phosphate Kinase Pyrophosphate Dependent

To standardize a procedure for the enzymatic assay of Fructose -6- Phosphate Kinase (Pyrophosphate Dependent) from Propionibacterium Freudenreichii (Shermanii).
Keywords: Atomic layer deposition, Extinction coefficient

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BioUltra Biological Buffers

A buffer, as defined by Van Slyke [1], is "a substance which by its presence in solution increases the amount of acid or alkali that must be added to cause unit change in pH". Buffers are thus very i...
Keywords: Absorption, Adsorption, Biochemistry, Biological Buffers, Biological processes, Buffers, PAGE

Peer-Reviewed Papers
15

References

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