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Glyoxal is an organic compound with the chemical formula C2H2O2. It is a clear, colorless to pale yellow liquid that has a distinctive odor. Glyoxal is a highly reactive compound and is widely used in various industries, including textiles, leather, paper, and personal care products. It serves as a cross-linking agent, preservative, and chemical intermediate in these applications.
Glyoxal is commercially available in different concentrations, including a commonly used grade known as Glyoxal 40%.
| Property | Specification |
|---|---|
| CAS Number | 107-22-2 |
| Molecular Formula | C2H2O2 |
| Appearance | Clear to pale yellow liquid |
| Glyoxal Content | 40% min |
| pH (as is) | 3.0-4.5 |
| Density (at 20°C) | 1.14-1.16 g/cm³ |
| Boiling Point | 50-52°C |
| Melting Point | -18°C |
| Flash Point | 78°C |
| Vapor Pressure | 14 mmHg at 20°C |
| Solubility | Miscible with water and most organic solvents |
| Odor | Characteristic odor |
| Stability | Stable under recommended storage conditions |
| Impurities | Low levels of formaldehyde and other impurities |