Glyoxal 40%
Properties:
Glyoxal 40% is a colorless transparent liquid or liquid with low chroma. Glyoxal density is 1.265-1.270. Glyoxal can be dissolved in water, slightly soluble in ethanol, and aether, somewhat soluble in esters, and aromatic solvents.
CAS No.:
107-22-2
Molecular Formula:
C2H2O2
Molecular Weight:
58.04
Structural Formula:
Specifications:
| Item | Top-grade | First-grade | Industry-grade |
|---|---|---|---|
| Chroma Pt-Co unit Color No. | 10# Max. | 15# Max. | 15# Max. |
| Glyoxal | 40±0.5% Min. | 40±0.5% Min. | 40±0.5% Min. |
| Acid (based on formic acid) | 0.1% Max. | 0.15% Max. | 0.2% Max. |
| Aldehyde (based on formaldehyde) | 0.1% Max. | 0.2% Max. | 0.3% Max. |
| Glycol | 1.0% Max. | 1.5% Max. | 1.5% Max. |
Uses:
Glyoxal 40 is a fine chemical product with a wide range of applications. Glyoxal is mainly used in chemicals, medicine, paper making, flavor, coating, adhesive, daily-use chemicals, etc. Glyoxal 40 solutions can be directly synthesized into imidazole, 2-methylimidazole, glyoxalic acid, textile finishing agent, iron-free resin and paper-making auxiliaries, etc.
Glyoxal is used in the textile industry; as a fiber treatment agent. It is a durable press finishing agent that can increase the shrinkage and crease resistance of cotton, nylon, and other fibers.
Glyoxal is an insoluble binder for gelatin, animal glue, cheese, polyvinyl alcohol, and starch.
Glyoxal is also used in the leather industry and in making waterproof matches.
Glyoxal is a raw material for organic synthesis. Imidazole was synthesized by the reaction of glyoxal with formaldehyde and ammonium sulfate, and then imidazole antifungal drugs such as clotrimazole and miconazole were synthesized. Benzopyrazine, an intermediate of pyrazinamide, an anti-tuberculosis drug, is obtained by cyclization of glyoxal with o-phenylenediamine. Glyoxal is also used to synthesize berberine hydrochloride and the sulfa drug sulfamethoxypyrazine.
Glyoxal is also used in insect repellents, deodorants, corpse preservatives, and sand hardeners.
Packing and Storage:
200L plastic pail.
Glyoxal 40 should be stored in a cool, dry, and draughty place.
Synonyms:
Glyoxal, Qxalie aldehyde 1 2-Ethanedione, Glyoxylaldehyd.
Note:
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