Isobutene (Isobutene)

Bargaining 10-21 09:11 Update

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Isobutene

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Propene,2-methyl
ISOBUTENE
1-PROPENE, 2-METHYL-
2-Methylpropene
2-METHYLPROPENE
ISOBUTYLENE
1-Propene,2-methyl
Methylpropene
2-Methyl-1-propene
2-methylprop-1-ene
1-Propene, 2-methyl-
2-Methylpropylene

+Expand -Stow

115-11-7

C4H8

56.1063

2901233000

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Nature Description

Colorless gas. Melting Point-140.3 ℃, mixing point-6.9 ℃, relative density 0.5879(25/4 ℃), flash point-76 ℃. Soluble in alcohol, ether and sulfuric acid, insoluble in water. Easy to liquefy and easy to polymerize.

-140.34℃

Product Applications

Adding water can produce tert-butyl alcohol, oxidize methacrolein and methacrylic acid, ammoxidation to methacrylic nitrile, etc. Isobutene, also known as 2-methylpropylene (2-methylpropene), is an important petrochemical raw material, in the pesticide industry, it is mainly used for the preparation of organic phosphorus insecticide trobutthiopine,..

Production method

Isobutene is almost obtained from refinery gas and cracking C4 fraction in industry. The content of Isobutene in refinery gas is generally 5%-12%, cracking C4, and the fraction is generally 20%-30%. In a few cases, chromium oxide-alumina catalyst is made from isobutane catalyzing hydrogen. Isobutene is the product of propylene oxide produced by co-oxidation using propylene and isobutane as raw materials.

Security

Safety instructions： S9-S16-S33

Hazardous material category code： R12

Dangerous goods transportation number： UN 1055 2.1

Storage conditions： Store in a cool and ventilated warehouse. Keep away from fire and heat source. The temperature should not exceed 30℃. It should be stored separately from the oxidant and should not be mixed. It is forbidden to use mechanical equipment and tools that are easy to generate sparks. The storage area should be equipped with leakage emergency treatment equipment.

Packaging grade： 2