alpha-Santonin
[CAS# 481-06-1]

Identification

• Classification: API >> Antiparasitic drug >> Anthelmintic
• Name: alpha-Santonin
• Synonyms: (3S,3aS,5aS,9bS)-3a,5,5a,9b-Tetrahydro-3,5a,9-trimethylnaphtho[1,2-b]furan-2,8(3H,4H)-dione; (-)-Santonin; (-)-alpha-Santonin; 1,2,3,4,4a,7-Hexahydro-1-hydroxy-alpha,4a,8-trimethyl-7-oxo-2-naphthaleneacetic acid gamma-lactone; NSC 4900; Santonin; Semenen
• Molecular Formula: C₁₅H₁₈O₃
• Molecular Weight: 246.30
• CAS Registry Number: 481-06-1
• EC Number: 207-560-7

Properties

• Solubility: Very slightly soluble (0.2 g/L) (25 ºC), Calc.^*
• Density: 1.18±0.1 g/cm³ (20 ºC 760 Torr), Calc.^*
• Melting point: 181 ºC^**

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2017 ACD/Labs)

^** Sumi, Masao; Pharmaceutical Bulletin 1956, V4, P152-7.

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Acute toxicity	Acute Tox.	4	H302
Acute toxicity	Acute Tox.	2	H310
Skin irritation	Skin Irrit.	2	H315
Acute toxicity	Acute Tox.	2	H330
Specific target organ toxicity - single exposure	STOT SE	3	H335
Eye irritation	Eye Irrit.	2	H319
Eye irritation	Eye Irrit.	2A	H319