Glyoxylic acid CAS 298-12-4 exists in two common forms: 40% 50% aqueous solution and 98% solid crystal. It is a bifunctional intermediate with aldehyde and carboxyl groups, widely used in cosmetics, pharmaceutical synthesis, fine chemicals, electroplating and agrochemical industries. TNJ Chemical is the leading manufacturer and exporter since from 2001. We guarantee high quality, competitive price, stable supply, fast delivery and tech support etc. To find more, please contact sales@tnjchem.com
Product Information
Chemical Name: Glyoxylic acid
Synonyms: Oxoacetic acid, Formylformic acid
CAS No.: 298-12-4
EINECS: 206-058-5
Molecular Formula: C₂H₂O₃
Molecular Weight: 74.04
Available Grade: Cosmetic grade, industrial grade, fine chemical grade
Available Spec.: 40% 50% aqueous solution / 98% solid
Chemphysical Properties
| Item | 50% Aqueous Solution | 98% Solid |
|---|---|---|
| Appearance | Colourless to pale yellow clear liquid | White crystalline solid |
| Odour | Slight pungent odour | Slight characteristic odour |
| Melting Point | — | ~98 °C |
| Boiling Point | Decomposes on heating | Decomposes before boiling |
| Solubility | Miscible with water, ethanol, ether | Freely soluble in water, ethanol |
| Feature | Easy to polymerize | Highly hygroscopic, easy to absorb moisture |
Quality Specification
| Item | 50% Solution | 98% Solid |
|---|---|---|
| Glyoxylic acid | 49.0% – 51.0% | ≥98.0% |
| Oxalic acid | ≤0.3% | ≤0.5% |
| Formic acid | ≤0.2% | ≤0.3% |
| Chloride (Cl⁻) | ≤0.05% | ≤0.05% |
| Heavy metal (Pb) | ≤10 ppm | ≤10 ppm |
| pH | 1.0 – 2.0 | — |
Use & Application
Cosmetic raw material for skin brightening and exfoliating formulasPharmaceutical intermediate for API synthesis
Intermediate for allantoin, vanillin and agrochemicals
Electroplating additive and metal surface treatment
Paper bleaching auxiliary agent
Note: 98% solid is preferred for formulas requiring low water content.
Packing
50% liquid: 25kg HDPE drum, 250kg HDPE drum, 1000L IBC tank98% solid: 25kg fibre drum with PE inner bag, small aluminum bottle for lab use
Delivery & Storage
Storage: Keep tightly sealed, cool and dry warehouse. Separate from alkalis, strong oxidants and heat sources. 98% solid must be protected against moisture.Transport: Liquid is corrosive; solid avoids dampness. Prevent leakage and collision.
Shelf life: 12 months for 50% liquid; 12 months for 98% solid under proper storage.
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