Dibutyl fumarate

  • 2-Butenedioic acid (E), dibutyl ester
Formula
C12H20O4
Structure
Description
Clear, almost colorless liquid.

Registry Numbers and Inventories.
CAS
105-75-9
EC (EINECS/ELINCS)
203-327-9
RTECS
LT1225000
RTECS class
Other
Beilstein/Gmelin
1726635
Beilstein Reference
4-02-00-02210
Swiss Giftliste 1
G-1901
Canada DSL/NDSL
DSL
US TSCA
Listed
Austrailia AICS
Listed
New Zealand
Listed
Japan ENCS (MITI)
Listed
Korea ECL
Listed

Properties.
Formula
C12H20O4
Formula mass
228.32
Melting point, °C
-13.5
Boiling point, °C
280
Vapor density (air=1)
7.9
Density
0.9869 g/cm3 (20 C)
Solubility in water
Insoluble
Surface tension
31.01 g/s2 (17 C)
Refractive index
1.444 (20 C)
Partition coefficient, pKow
3.91
Heat of vaporization
51.9 kJ/mol

Hazards and Protection.
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.
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.
Small spills/leaks
While using the appropriate protective equipment, clean up spills immediately.
Stability
Stable under normal temperatures and pressures.
Incompatibilities
Keep way from strong oxidizing agents.
Decomposition
Irritating and toxic fumes and gases.

Fire.
Flash Point,°C
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.

Health.
Poison_Class
-
Exposure effects
The toxicological properties of this material have not been investigated.

First aid
 
   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.

Transport.