Product
name：Glyoxylic Acid
|
Item |
Ordinary |
Chelating |
High quality |
Excellent （一） |
Premium（二） |
|
Assay%≥ |
50±0.5 |
50±0.5 |
50±0.5 |
50±0.5 |
50±0.5 |
|
Glyoxal%≤ |
1 |
0.5 |
0.25 |
0.05 |
0.05 |
|
Oxalic acid%≤ |
1 |
0.5 |
0.25 |
0.6 |
0.2 |
|
Nitric acid%≤ |
0.2 |
0.2 |
0.2 |
/ |
/ |
|
Hazen ≤ |
Conform |
Conform |
Conform |
100# |
100# |
Glyoxylic Acid 40% standard（enterprise standard）
|
Item |
Standard |
|
Assay % ≥ |
40±0.5 |
|
Glyoxylic Acid 50% standard（enterprise standard） % ≤ |
1 |
|
Oxalic acid % ≤ |
1 |
|
Nitric acid % ≤ |
0.2 |
Usage：It is used as raw
material for the production of methyl vanillin and ethyl vanillin in the spice
industry. In the pharmaceutical industry applied to antihypertensive drug
Atenolol, d-(national key development of pharmaceutical intermediates),
broad-spectrum antibiotics, ampicillin (oral), benzene ethyl ketone, amino
acids and other compounds synthesis intermediates, used as varnish raw
materials, dyes, plastics and agricultural chemicals intermediates, can also be
used in the production of capsules, urea is an anti-ulcer pharmaceutical
products, intermediates for daily chemicals.