PSEUDOEPHEDRINE

• Chemical Name: Pseudoephedrine Hydrochloride

• Molecular Formula: C₁₀H₁₅NO·HCl

• Molecular Weight: 201.7 G/mol (as Hydrochloride)

• CAS Number: 90-82-4

• Appearance: White Or Almost White Crystalline Powder, Odorless Or Almost Odorless, Bitter Taste

• Solubility: Freely Soluble In Water; Slightly Soluble In Alcohol

Identification Tests

1. Infrared (IR) Spectroscopy: Should Correspond To Standard Reference Spectrum.

2. Melting Point: 133–136 °C (for Pseudoephedrine Hydrochloride)

3. Optical Rotation: +55° To +65° (for The Hydrochloride Form)

4. Chemical Reaction: Forms A Characteristic Reaction With Formaldehyde Solution (confirmatory Test).

Purity And Quality Tests

• Assay (HPLC Or Titration): 98.5% – 101.0% Of The Labeled Amount

• Loss On Drying: ≤ 0.5%

• Residue On Ignition: ≤ 0.1%

• Heavy Metals: ≤ 20 Ppm

• Related Substances / Impurities:

  • Ephedrine: ≤ 0.5%

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