[CAS NO.] 744-80-9
[Chemical name] 1-Benzoyl-5-ethyl-5-phenyl barbitoric acid
[Commodity name] Benzobarbital
[Structure]
[Formula] C19H16N2O4
[Molecular weight] 336.34
[Solubility] Practically insoluble in water, slightly soluble in 95% ethanol, soluble in ether and easily soluble in chloroform
[Acidity] pH=6.0-6.8
[Melting point] 134-137℃
[Clarity and color of solution] Clear and colorless in its 5ml of 1% 1N NaOH solution.
[Assay] ≥99.0%
[Usage] Intermediate of pharmaceuticals
[Package] 25kg/fibre drum
[Related substances] Sum of impurities≤0.8% , single impurities≤0.4%(TLC)
[Chlorides] ≤0.005%
[Sulphates] ≤0.025%
[Sulfate ash] ≤0.1%
[Heavy metals] ≤0.001%