Diphenhydramine Hydrochloride CAS: 147-24-0

 White crystalling powder, as pharmaceutical raw materials, mainly functions as relieving cough, dizzy-resisting and so on.


product description

AppearanceWhite or off-white powder
IdentificationA. A258nm/A253nm=1.1 A258nm/A253nm=1.1A258nm/A253nm
 B: IRspectrum of the sample corresponds to that of reference standard. 
C: It gives the reactions of chlorides .
Melting point167-172°C
SolubilityVery soluble in water, freely soluble in ethanol
Acidity or alkalinity0.5 mL of 0.01 M sodium hydroxide
Appearance of solutionClear,NMT YNMT BY6
Related substancesImpurity A NMT0.5%
Any other impurity NMT 0.3%
Total impurities NMT 1.0%
Loss on dryingNMT 0.5%
Sulfated ashNMT 0.10%
Assay99.0%-101.0%(on anhydrous basis)

Package: 25KG/drum. 

Storage: in a dry and ventilated warehouse; keep away from sunshine; avoid fire; avoid moisture.