 |
 |
|
|
|
| Benzobarbital |
 |
| 1-Benzoyl-5-ethyl-5-phenyl barbitoric acid |
 |
| 744-80-9 |
 |
[ Formula ] C19H16N2O4
[ Molecular weight ] 336.34
[ Characteristics ] A white crystalline powder
[ Usage ] Anti-epilepsy
[ Package ] 25kg/fibre drum
|
 |
[ Acidity ] pH=6.0-6.8
[ Melting point ] 134-137℃
[ Solubility ] Practically insoluble in water, slightly soluble in 95% ethanol, soluble in ether and easily soluble in chloroform
[ Clarity and color of solution ] Clear and colourless in its 5ml of 0.1% 1N NaOH solution.
[ Related impurity ] Total impurities≤0.8%(by TLC) single impurity≤0.4%(by TLC)
[ Chloride ] ≤0.005%
[ Sulphates ] ≤0.025%
[ Sulfate ash ] ≤0.1%
[ Heavy metal ] ≤0.001%
[ Assay ] ≥99.0%
|
|
|
|
|
|
