(1S,2R)-(+)-Ephedrine hemihydrate
[CAS# 144429-10-7]

Identification

• Name: (1S,2R)-(+)-Ephedrine hemihydrate
• Molecular Formula: 2(C₁₀H₁₅NO).H₂O
• Molecular Weight: 348.48
• CAS Registry Number: 144429-10-7
• EC Number: 628-394-5

Properties

• Melting point: 39-43 °C
• Flash point: 113 °C

Safety Data

• Hazard Symbols: Xi
• Risk Statements: R36/37/38
• Safety Statements: S26;S36

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Skin irritation	Skin Irrit.	2	H315
Specific target organ toxicity - single exposure	STOT SE	3	H335
Eye irritation	Eye Irrit.	2	H319