Product Identification

Product Name

Dibutyl fumarate

Synonyms

2-Butenedioic acid (E), dibutyl ester
Dibutyl (E)-but-2-enedioate

CAS

105-75-9

Formula

C12H20O4

Molecular Weight

228.32

EINECS

203-327-9

RTECS

LT1225000

RTECS Class

Other

Beilstein/Gmelin

1726635

Beilstein Reference

4-02-00-02210

Physical and Chemical Properties

Appearance

Clear, almost colorless liquid.

Solubility in water

Insoluble

Melting Point

-13.5

Boiling Point

280

Density

0.9869 g/cm3 (20 C)

Partition Coefficient

3.91

Heat Of Vaporization

51.9 kJ/mol

Vapor Density

7.9

Refractive Index

1.444 (20 C)

First Aid Measures

Ingestion

If victim is conscious and alert, give 2-4 cupfuls of milk or water. Get medical aid immediately.

Inhalation

Get medical aid immediately. Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen.

Skin

Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Remove contaminated clothing and shoes.

Eyes

Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower lids. Get medical aid immediately.

Handling and Storage

Storage

Store in a cool, dry place. Keep container closed when not in use.

Handling

All chemicals should be considered hazardous. Avoid direct physical contact. Use appropriate, approved safety equipment. Untrained individuals should not handle this chemical or its container. Handling should occur in a chemical fume hood.

Exposure Controls/Personal Protection

Personal Protection

Wear safety goggles and appropriate protective gloves and clothing to minimize contact with the skin.

Respirators

A respiratory protection program that meets OSHA's 29 CFR 1910.134 and ANSI Z88.2 requirements or European Standard EN 149 must be followed whenever workplace conditions warrant a respirator's use.

Exposure Effects

The toxicological properties of this material have not been investigated.

Poison Class

-

Fire Fighting Measures

Flash Point

126

Fire Fighting

Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Use agent most appropriate to extinguish fire.

Accidental Release Measures

Small spills/leaks

While using the appropriate protective equipment, clean up spills immediately.

Stability and Reactivity

Incompatibilities

Keep way from strong oxidizing agents.

Stability

Stable under normal temperatures and pressures.

Decomposition

Irritating and toxic fumes and gases.