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| Glyoxalic acid CMBEC |
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| Glyoxalic Acid |
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Glyoxalic Acid is a kind of basic raw material in orgaric chemical industry.
Ethyl vanillin manufactured from it is widely used for adjusting and fixing agent of fragrance, and as daily expenses essence, and to endow food with sweet smell.
It also used for well-stimulation and accelerating the ripening of sugarcane, for seducing the insects and as weed killer in the perparation of pesticide.
Allantoicase manufactured from Glyoxalic Acid is wodely used as traumatic acid, as additives of high-grade cosmetics, and as growth controlled medium of plant.
In pharmaceuti-cal field, Glyoxalic Acid is used in preparing DL-p-hydroxyphe nylglycine(raw materal of some penicillin medicine),p-hydroxyphenylacetamide(used to manufacture atisine--working substance of cardiovascular drug and hypertension drug),p-hydrox-ypenyl acetic acid and DL-p-hydroxyphenylhydantion. |
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It's aqueous solution is light-yellow transparent liquid.
It dissolves in water, a little dissolves in alcohol, ethyl ether and benzene.
Molecular Weight 74.04
Melting Point(anhydrous) 98℃
Speciation 20% 40%
Target
Assay(as C2H2O3) 20.0% Min 40.0% Min
Oxalic Acid(as C2H2O4) 3.0% Max 3.0% Max
Glyoxal(as C2H2O2) 3.0% Max 3.0% Max
Hydrochloric Acid(as HCl) 3.0% Max 3.0% Max
Appearance light-yellow transparent liquid |
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