Test Items

Requirements

Appearance

White or almost white crystalline powder, odorless, tasteless

Identification

1.Positive reaction

2.Positive reaction

3. Infrared light absorption map of the product is consistent with that of the reference substance.

4. Positive reaction

Test

1. The material related: the impurity spot of test solution is no darker than main spot of comparing solution.

2. Loss on drying: dry it at 105°C until constant weight, loss of weight is no more than 0.5%.

3. Residue on ignition: no more than 0.1%

4. Heavy metals: ≤20 PPM

Assay

Calculated by anhydrous material, the assay of Bromhexine hydrochloride(C14H20Br2N2HCl) is no less than 98.5%.