valproic acid
99-66-1
items |
standard |
result |
description |
colorless to slightly yellowish liquid |
complies |
assay(titration) |
98.5-101% |
99.9% |
identification |
infrared spectrum |
meet the standard |
by rt comparison |
meet the standard |
|
reactions of sodium salt |
meet the standard |
|
acidity or alkalinity |
------ |
------ |
clarity & color of solution |
usp |
meet the standard |
heavy metals |
≤20ppm |
meet the standard |
sulfate |
≤200ppm |
meet the standard |
chloride |
≤200ppm |
meet the standard |
loss on drying |
------ |
----- |
related substan(gc) |
≤0.1% |
0.06% |
total impurities(gc) |
≤0.3% |
0.10% |
valproic acid
99-66-1
items |
standard |
result |
description |
colorless to slightly yellowish liquid |
complies |
assay(titration) |
98.5-101% |
99.9% |
identification |
infrared spectrum |
meet the standard |
by rt comparison |
meet the standard |
|
reactions of sodium salt |
meet the standard |
|
acidity or alkalinity |
------ |
------ |
clarity & color of solution |
usp |
meet the standard |
heavy metals |
≤20ppm |
meet the standard |
sulfate |
≤200ppm |
meet the standard |
chloride |
≤200ppm |
meet the standard |
loss on drying |
------ |
----- |
related substan(gc) |
≤0.1% |
0.06% |
total impurities(gc) |
≤0.3% |
0.10% |