n-Butyl fumarate

Synonym(s):Maleic acid dibutyl ester

CAS NO.：105-76-0
Empirical Formula: C12H20O4
Molecular Weight: 228.28
MDL number: MFCD00009447
EINECS: 203-328-4
SAFETY DATA SHEET (SDS)
Update Date: 2025-12-17 09:50:41

What is n-Butyl fumarate?

Chemical properties

Di-n-butyl maleate is a clearL colourless to slightly yellowish liquid. B.P. 258℃. (decomp.). Practically insoluble in water, soluble in alcohol and oils. Faint, winey odor of good tenacity, but with a chemical undertone. Mild, slightly bitter taste.

The Uses of n-Butyl fumarate

Dibutyl maleate is used as a copolymer and plasticizer.

The Uses of n-Butyl fumarate

Dibutyl Maleate is a reagent used in the preparation of lactones for the synthesis of antibacterial compounds.

Preparation

By direct esterification of n-Butanol with Maleic acid.

Safety Profile

Poison by intraperitoneal route. Moderately toxic by ingestion. Mddly toxic by skin contact. An eye and skin irritant. See also ESTERS and n-BUTYL ALCOHOL. Combustible when exposed to heat or flame; can react with oxilzing materials. To fight fire, use foam, CO2, dry chemical, alcohol foam. When heated to decomposition it emits acrid smoke and irritating fumes.

Properties of n-Butyl fumarate

Melting point:	-85°C
Boiling point:	281 °C(lit.)
Density	0.988 g/mL at 25 °C(lit.)
vapor pressure	0.0027 hPa (20 °C)
refractive index	n20/D 1.445(lit.)
Flash point:	>230 °F
storage temp.	Sealed in dry,Room Temperature
solubility	0.17g/l slightly soluble
form	Liquid
color	Clear colorless to light yellow
explosive limit	0.5-3.4%(V)
Water Solubility	insoluble
FreezingPoint	<-85℃
BRN	1726634
CAS DataBase Reference	105-76-0(CAS DataBase Reference)
NIST Chemistry Reference	2-Butenedioic acid (Z)-, dibutyl ester(105-76-0)
EPA Substance Registry System	Dibutyl maleate (105-76-0)

Safety information for n-Butyl fumarate

Signal word	Warning
Pictogram(s)	Exclamation Mark Irritant GHS07 Health Hazard GHS08 Environment GHS09
GHS Hazard Statements	H317:Sensitisation, Skin H373:Specific target organ toxicity, repeated exposure H411:Hazardous to the aquatic environment, long-term hazard
Precautionary Statement Codes	P260:Do not breathe dust/fume/gas/mist/vapours/spray. P272:Contaminated work clothing should not be allowed out of the workplace. P273:Avoid release to the environment. P280:Wear protective gloves/protective clothing/eye protection/face protection. P314:Get medical advice/attention if you feel unwell. P302+P352:IF ON SKIN: wash with plenty of soap and water.