Difenidol hydrochloride Difenidol hcl Difenidol
it conform with the JP XV standard
Characteristics |
White crystal or crystalline powder.It is odorless. |
Identification |
(1)(2)(3)(4)conforms to standard |
Melting point |
About 271℃ |
Solubility |
Freely soluble in methanol soluble in ethanol 95%,sparingly soluble in water and acetic acid,practically insoluble in diethyl ether |
Clarity and color of solution |
Clear and colorless |
Related substances |
Conform to standard |
Heavy metals |
Not more than 20ppm |
PH value |
4.7~6.5 |
Loss on drying |
Not more than 0.5% |
Arsenic salt |
Not more than 1ppm |
Residue on ignition |
Not more than 0.1% |
Microbial limits |
Less than 100cfu/g bacteria Less than 10cfu/g fungi Less than 10cfu/g yeasts Pathogen absent |
Assay |
Not less than 98.5% |
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