Dibutyl fumarate
[CAS# 105-75-9]

Identification

• Classification: Chemical reagent >> Organic reagent >> Ester >> Butyl ester compound
• Name: Dibutyl fumarate
• Synonyms: (E)-2-Butenedioic acid dibutyl ester
• Molecular Formula: C₁₂H₂₀O₄
• Molecular Weight: 228.29
• CAS Registry Number: 105-75-9
• EC Number: 203-327-9

Properties

• Density: 0.98
• Boiling point: 141 °C (8 mmHg)
• Refractive index: 1.4455-1.4475

Safety Data

• Safety Statements: S24/25

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Chronic hazardous to the aquatic environment	Aquatic Chronic	1	H410
Acute hazardous to the aquatic environment	Aquatic Acute	1	H400
Skin sensitization	Skin Sens.	1	H317
Specific target organ toxicity - repeated exposure	STOT RE	2	H373
Skin sensitization	Skin Sens.	1B	H317
Eye irritation	Eye Irrit.	2	H319
Skin irritation	Skin Irrit.	2	H315
Specific target organ toxicity - single exposure	STOT SE	3	H335