Ephedrine Hydrochloride
Quick Descriptions:
Proname:Ephedrine Hydrochloride
Cas No.:50-98-6
Characteristics: A white, crystalline powder, odorless, bitter
Melting point:
183 ~ 186℃
Melting range ≤2
Specific optical rotation: +61°~ +62.5°
pH: The solution of 5%: pH 4.6 ~ 6.0
Identification:
A. IR is in conformity with the standard chromatogram
B. UV 0.5mg/ml solution: At A251nm, A257nm, A263nm maximum absorption
C. Reaction of chloride in solution
D. The test of specific optical rotation is in conformity with the standard
Acidity or alkalinity: Add 0.1ml of methyl red in the 1% of solution to get the color changed, the 0.01M of NaOH added shall be less than 0.10ml; the 0.01M of HCL added shall be less than 0.20ml
Clarity and color of solution:Clear, colorless
Related substances:
Ephedrine: NMT 0.5%
Other single impurity: NMT 0.5%
Total impurities: NMT 1.0%
Loss on drying: NMT 0.5%
Residue on ignition: NMT 0.1%
Heavy Metals: NMT 0.002%
Assay: 99.0 ~ 100.5%
