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What is Glyoxal?

Views: 0     Author: Site Editor     Publish Time: 2022-03-23      Origin: Site

Glyoxal is a linear aliphatic dialdehyde containing two aldehyde groups. It participates in the synthesis of glyoxylic acid. It is highly reactive in nature. It can be prepared by oxidizing ethanol or acetaldehyde with nitric acid. It is widely employed in textile and paper industry.


Characteristics of Glyoxal:

Physical Properties

Appearance and properties: colourless or yellow deliquescent crystals or liquid, vapour is green.

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CAS: 107-22-2 [2].

Melting point (℃): 15

Boiling point: 51°C

Refractive index: 1.3826

Relative density (water=1): 1.14

Boiling point(℃): 50.5

Molecular formula: C2H2O2

Molecular weight: 58.04

Solubility: Soluble in ethanol, ether, soluble in water.


Glyoxal is an organic compound with the chemical formula OCHCHO, which is connected by two aldehyde groups -C=O-H. It is the simplest dialdehyde and is a yellow liquid at room temperature.

Use: 

Textile industry:Glyoxal is mainly used in the textile industry. As a fiber treatment agent, it can increase the shrinkage and wrinkle resistance of cotton, nylon and other fibers. It is a durable press finishing agent.


Cosmetics industry:Glyoxal-based solutions effectively prevent microbial growth and extend the shelf life of cosmetics such as shampoos, lotions and creams.


Paper industry:It is mainly used as a sizing agent in the paper industry to increase the moisture resistance of paper; it is a very effective cross-linking factor in polymer chemistry and can be used as a cross-linking agent.


Construction industry: It can be used as the curing agent of cement to improve the setting strength and control landslides, which can prevent soil loss and collapse.


Glyoxal is widely used, including but not limited to papermaking, textile printing and dyeing, coatings, medicine, building materials, petrochemicals, environmental protection and other fields. ‌





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