What is glyoxylic acid ?
Glyoxylic acid, also known as formoic acid, hydrated glyoxylic acid and oxyacetic acid, chemical formula C2H203, is the simplest aldehyde acid, which exists in immature fruits, tender green leaves and sugar beets. Crystals from water are monoclinic crystals (containing 1/2 crystal water). The relative molecular weight is 70.04. The melting point is 98 ℃. It has an unpleasant taste. It is a strong corrosive acid, which is easy to deliquescence and can form a paste when exposed to the air. It is slightly soluble in ethanol, ether and benzene, and can be freely soluble in water. The aqueous solution is stable and does not deteriorate in air. It exists in aqueous solution in the form of hydration. It can react with most metals except stainless steel. It has the properties of acid and aldehyde.Packing and Storage
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.
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Application
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.Specification
| 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 | |
