Basic Information
Molecular Weight : 104.2
CAS RN.: 298-12-4
Molecular Formula : C2H2O3
Properties: Aq. solution is colorless transparent liquid. Melting point 70~75℃(hemihydrate) Pure product is white crystal
Uses: Glyoxylic acid is the material of vanillin, allantoin, p-hydroxyl phenylacetic acid, intermediate of drugs, or used in pesticide, it also is the material of water purificant, 以Glyoxylic acid. Moreover, Glyoxylic acid can be used in the preservation of food, or crosslinking agent of polymerization and plating additive. Glyoxylic acid is an very important organic intermediate.
Structural formula : 
Density d204, g/cm3: 1.28-1.30
Quality standard
No. |
Index name |
40% Specification |
50% Specification |
1 |
Glyoxylic acid(C2H2O3) |
≥40.00% |
≥50.00% |
2 |
Glyoxal |
≤1.00% |
≤1.00% |
3 |
HNO3 |
≤0.20% |
≤0.20% |
4 |
C3H3O4 |
≤2.00% |
≤1.50% |
5 |
Fe ppm |
≤ 20 |
≤ 20 |
6 |
Heavy metals(Pb)ppm |
≤ 10 |
≤ 10 |
7 |
Residue on ignition |
<0.40% |
<0.50% |
Packing : Net wt. 250KG plastic drum
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