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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


Laboratory Gloves

Interactive Buffer Table
Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
RIDADR 
UN 3263 8 / PGIII
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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