- 2-Butenedioic acid (E), dibutyl ester
Clear, almost colorless liquid.
Registry Numbers and Inventories.
Swiss Giftliste 1
Japan ENCS (MITI)
Melting point, °C
Boiling point, °C
Vapor density (air=1)
0.9869 g/cm3 (20 C)
Solubility in water
31.01 g/s2 (17 C)
1.444 (20 C)
Partition coefficient, pKow
Heat of vaporization
Hazards and Protection.
Store in a cool, dry place. Keep container closed when not in use.
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.
Wear safety goggles and appropriate protective gloves and clothing to minimize contact with the skin.
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.
While using the appropriate protective equipment, clean up spills immediately.
Stable under normal temperatures and pressures.
Keep way from strong oxidizing agents.
Irritating and toxic fumes and gases.
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.
The toxicological properties of this material have not been investigated.
If victim is conscious and alert, give 2-4 cupfuls of milk or water. Get medical aid immediately.
Get medical aid immediately. Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen.
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.
Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower lids. Get medical aid immediately.