SKU : AAN009


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Commercial qty: 45-60 days after getting payment

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CAS number


molecular formula





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%

Ephedrine can directly act on the α, β two receptors, play the role of adrenaline, but also to promote the release of adrenergic nerve endings of chemical neurotransmitters, play an indirect role of adrenaline. Compared with epinephrine, ephedrine is characterized by stable, orally active, the role of the weak and long-lasting, more significant role in excitability. With relaxation of bronchial smooth muscle, stimulate the heart, contraction of blood vessels, increase blood pressure and so on. Clinical use of bronchial asthma, spinal anesthesia or epidural anesthesia-induced hypotension and the lifting of nasal congestion and edema. The main side effects are anxiety, insomnia, tremor, palpitations, headache, dizziness, nausea, vomiting, loss of appetite, high blood pressure, urine retention, sweating and skin rash.


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