Chemical name: Glyoxal
Product name: Glyoxal; Qxalie aldehyde
Structural formula:
Molecular formula: C2H2O2
Molecular weight: 58.04
Physiochemical properties: Colorless transparent liquid or liquid with low chroma, density:1.265-1.270,can be dissolved with water, slightly soluble in ethanol, aether, slightly soluble in esters,aromatic solvents. Active chemical properties.
Quality standard(enterprise standard)
|
Index name
|
Unit
|
Top-grade product
|
First-grade product
|
|
Chroma Pt-Coshade unit≤
|
Color No.
|
10#
|
20#
|
|
Glyoxal ≥
|
%
|
40±0.5
|
40±0.5
|
|
Acid content(based on formic acid)≤
|
%
|
0.1
|
0.15
|
|
Aldehyde content(based on formaldehyde)≤
|
%
|
0.1
|
0.2
|
|
Glycol ≤
|
%
|
1.0
|
1.5
|
|
Metallic ion
|
PPM
|
5
|
10
|
Use: Glyoxal is a kind of fine chemical product with a wide range of application. It is mainly used in chemical, medicine, paper making, flavor, coating, adhesive and daily-use chemical etc.. It can be directly synthesized into imidazole, 2-methylimidazole, glyoxalic acid, textile finishing agent,iron free resin and paper making auxiliaries etc.. |