1. In the spice industry, it is raw material for production of methyl vanillin, ethyl vanillin.
2. In the pharmaceutical industry, it is the synthesis intermediates for anti-hypertension drugs atenolol, DL-hydroxy phenylglycine, broad-spectrum antibiotics (oral), acetophenone, amino acids and other compounds.
Item |
Grade I |
Grade II |
Appearance |
Clear or Light-Yellowish Liquid |
|
Assay of Glyoxylic Acid |
40% Min. |
50% Min. |
Glyoxal |
1.00 % Max. |
1.00% Max. |
Oxalic Acid |
2.00% Max. |
1.50% Max. |
Nitric Acid |
0.30% Max. |
0.20% Max. |