| Item |
Normal Grade
|
Cheating Grade A
|
Cheating Grade B
|
Cheating Grade C
|
Special Grade A
|
Special Grade B
|
|
| Assay |
≥50% |
≥50% |
≥50% |
≥50% |
≥50% |
≥50% |
Glyoxylic acid monohydrate
|
563-96-2
|
| Glyoxal |
≤1.0% |
≤0.5% |
≤0.5% |
≤0.25% |
≤0.01% |
≤0.01% |
Formylformic acid, Oxoethanoic acid
|
| Nitric acid |
Not detected |
Not detected |
Not detected |
Not detected |
Not detected |
Not detected |
100 °C(lit.)
|
| Oxalic acid |
≤1.0% |
≤1% |
≤0.5% |
≤0.25% |
≤0.5% |
≤0.2% |
Liquid
|
| Iron |
≤20ppm |
≤20ppm |
≤20ppm |
≤20ppm |
≤10ppm |
≤5ppm |
2 Years
|
| Heavy metal |
≤5ppm |
≤5ppm |
≤5ppm |
≤5ppm |
≤3ppm |
≤1ppm |
Store below +30°C.
|
| Chloride |
≤50ppm |
≤40ppm |
≤40ppm |
≤40ppm |
≤5ppm |
≤3ppm |
99%-
|
| Chroma |
≤300# |
≤250# |
≤250# |
≤250# |
≤100# |
≤80# |
White to light yellow
|
1. Used as material for methyl vanillin, ethyl vanillin in flavor industry.
2. Used as intermediate for D-hydroxybenzeneglycin, broadspectrum antibiotic, ,acetophenone ,amino acid etc.
3. Used as intermediate of varnish material, dyes, plastic, agrochemical, allantoin and daily-use chemical etc. It is popular in the cosmetic industry, for hair dye; hair care product; skin care product ect.
4. Glyoxylic acid is the material for water purificants, pesticides. It is used as an intermediate of varnish material and dyes.
5. Glyoxylic acid also can be used in the preservation of food, as a crosslinking agent of polymerization and as a plating additive.
25kgs/drum and 1250kgs IBC drum and 25ton/30ISO TANK plastic drum, 25 kg.
Storage: Stored in the dry and ventilated inside storeroom, prevent direct sunlight, slightly pile and put down.