Isobutyl 2-butenoate
[CAS# 589-66-2]

Identification

• Classification: Flavors and spices >> Synthetic spice >> Carboxylic acid and ester perfume >> Aliphatic carboxylate
• Name: Isobutyl 2-butenoate
• Synonyms: Isobutyl trans-2-butenoate
• Molecular Formula: C₈H₁₄O₂
• Molecular Weight: 142.20
• CAS Registry Number: 589-66-2
• EC Number: 209-658-5
• FEMA: 3432

Properties

• Density: 0.89
• Boiling point: 171 ºC
• Refractive index: 1.428
• Flash point: 131 ºF

Safety Data

• Hazard Symbols: Xi
• Risk Codes: R10;R36/37/38
• Safety Description: S16;S26;S36/37/39

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Flammable liquids	Flam. Liq.	3	H226
Skin irritation	Skin Irrit.	2	H315
Eye irritation	Eye Irrit.	2	H319
Specific target organ toxicity - single exposure	STOT SE	3	H335

• Transport Information: UN 3272