Undecenoic acid
[CAS# 112-38-9]

Identification

• Classification: API >> Synthetic anti-infective drugs >> Disinfectant antiseptic
• Name: Undecenoic acid
• Synonyms: Undecylenic acid; 10-Undecenoic acid
• Molecular Formula: C₁₁H₂₀O₂
• Molecular Weight: 184.28
• CAS Registry Number: 112-38-9
• EC Number: 203-965-8
• FEMA: 3247

Properties

• Density: 0.912
• Melting point: 23-25 °C
• Boiling point: 275 °C
• Refractive index: 1.447-1.448
• Flash point: 148 °C
• Water solubility: INSOLUBLE

Safety Data

• Hazard Symbols: Xi
• Risk Statements: R36/38;R52/53
• Safety Statements: S26;S37/39;S61

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Eye irritation	Eye Irrit.	2	H319
Chronic hazardous to the aquatic environment	Aquatic Chronic	3	H412
Skin irritation	Skin Irrit.	2	H315
Acute hazardous to the aquatic environment	Aquatic Acute	1	H400
Chronic hazardous to the aquatic environment	Aquatic Chronic	2	H411
Specific target organ toxicity - single exposure	STOT SE	3	H335
Eye irritation	Eye Irrit.	2A	H319