specification of glyoxylic acid 50%:
1.appearance:colorless or light yellow liquid
2.assay:50%min
3.oxalic acid: 1% max; 0.5% max;0.25%max,ect.
4.einecs:206-058-5
5.grade: glyoxal≤1%;glyoxal≤0.5%;glyoxal≤0.25%; and glyoxal≤0.1%.
we also can production glyoxylic acid according to customer demand.