(-)-Pseudoephedrine
[CAS# 321-97-1]

Identification

• Classification: Biochemical >> Chinese herbal medicine ingredients
• Name: (-)-Pseudoephedrine
• Synonyms: (1R,2R)-(-)-Pseudoephedrine; (1R,2R)-(-)-2-(Methylamino)-1-phenylpropanol; alpha-(1-Methylaminoethyl)benzyl alcohol
• Molecular Formula: C₁₀H₁₅NO
• Molecular Weight: 165.23
• CAS Registry Number: 321-97-1
• EC Number: 206-292-8

Properties

• Melting point: 118-120 ºC
• alpha: -51 º (c=0.6, EtOH)

Safety Data

• Hazard Symbols: Xn
• Risk Codes: R20/21/22;R36/37/38
• Safety Description: S26;S37/39

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Acute toxicity	Acute Tox.	4	H302
Serious eye damage	Eye Dam.	1	H318
Skin corrosion	Skin Corr.	1B	H314
Skin sensitization	Skin Sens.	1	H317
Skin irritation	Skin Irrit.	2	H315
Acute toxicity	Acute Tox.	4	H332
Eye irritation	Eye Irrit.	2	H319
Acute toxicity	Acute Tox.	4	H312
Specific target organ toxicity - single exposure	STOT SE	3	H335
Specific target organ toxicity - single exposure	STOT SE	3	H371