CAS Number

523-87-5

Molecular Formula

C₁₇H₂₁NO.C₇H₇ClN₄O₂

Molecular Weight

469.97

Molecular Structure

Packing

25kg/drum

Capacity

5MT/M

Storage

Store in cool and dry place, keep away from strong light and heat

Application

It is used to prevent motion sickness,(emesis).

Appearance

White crystalline powder or colorless crystal

Identification

Meets the requirements

Melting Point

102.0 ~ 106.0℃

Clarity and Color of Solution

Clear and colorless

pH

7.1 ~ 7.6

Theophylline and Substances Related    to Diphenhydramine(TLC)

Any impurity ≤0.5%

Heavy Metals

≤20ppm

Loss on Drying

≤0.5%

Sulphated Ash

≤0.2%

Assay

Diphenhydramine: 53.0 ~ 55.5%

8-Chlorotheophylline:44.0 ~ 46.5%

Standard

EP5/BP2003