Dibutyl fumarate
- CAS NO.：105-75-9
- Empirical Formula: C12H20O4
- Molecular Weight: 228.28
- MDL number: MFCD00065141
- EINECS: 203-327-9
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-06-24 18:39:39
What is Dibutyl fumarate?
Chemical properties
CLEAR COLOURLESS LIQUID
The Uses of Dibutyl fumarate
Dibutyl fumarate is used as a comonomer for the production of polystyrene.
The Uses of Dibutyl fumarate
Dibutyl Fumarate is a transisomer of Di-Bu maleate (DBM), which is widely used as a plasticizer for industrial application and enhances contact sensitization to fluorescein isothiocyanate in mice.
Production Methods
Dibutyl fumarate is produced by direct esterification of n-Butanol with Fumanc acid.
Flammability and Explosibility
Non flammable
Safety Profile
Poison by intraperitoneal route. Mildly toxic by ingestion and skin contact. An eye, skn, and mucous membrane irritant. Combustible when exposed to heat or flame; can react with oxidizing materials. To fight fire, use foam, CO2, dry chemical. When heated to decomposition it emits acrid smoke and fumes.
Properties of Dibutyl fumarate
| Melting point: | -18 °C |
| Boiling point: | 141 °C (8 mmHg) |
| Density | 0.98 |
| vapor pressure | 0.164Pa at 20℃ |
| refractive index | 1.4455-1.4475 |
| Flash point: | 90°C |
| storage temp. | Sealed in dry,Room Temperature |
| solubility | Insoluble in water |
| form | clear liquid |
| Specific Gravity | 0.986 |
| color | Colorless to Almost colorless |
| Water Solubility | 11.09mg/L at 20℃ |
| CAS DataBase Reference | 105-75-9(CAS DataBase Reference) |
| NIST Chemistry Reference | 2-Butenedioic acid (e), dibutyl ester(105-75-9) |
| EPA Substance Registry System | 2-Butenedioic acid (2E)-, 1,4-dibutyl ester (105-75-9) |
Safety information for Dibutyl fumarate
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P280:Wear protective gloves/protective clothing/eye protection/face protection. |
Computed Descriptors for Dibutyl fumarate
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