2,3-EPOXY-2-METHYLBUTANE Chemical Properties

Boiling point:

75 °C(lit.)

Density 

0.818 g/mL at 25 °C(lit.)

refractive index 

n20/D 1.3855(lit.)

Flash point:

−4 °F

storage temp. 

Flammables area

EPA Substance Registry System

Oxirane, trimethyl- (5076-19-7)

Safety Information

Hazard Codes 

F

Risk Statements 

11

Safety Statements 

16

RIDADR 

UN 1993 3/PG 2

WGK Germany 

2

RTECS 

EK3860000

HS Code 

29109000

MSDS

• Language:English Provider:ACROS
• Language:English Provider:SigmaAldrich

2,3-EPOXY-2-METHYLBUTANE Usage And Synthesis

Chemical Properties

clear colorless liquid

Physical properties

2-methyl-2-butene oxide, 2,3-epoxy-2-methylbutane, C₅H₁0O, M_r 86.14, is a clear, colorless liquid with a stringent, ether-like odor; color (Hazen scale) 5; bp 73℃ (101.3 kPa); mp -83℃; flash point (Seta flash) < 15℃; n²⁰_D 1.3860; 8 % soluble in water (unstable) and soluble in polar organic solvents .

Uses

Isoamylene oxide is used commercially for stabilizing the chlorinated hydrocarbons 1,1,1- trichloroethane and trichloroethylene. These hydrocarbons are frequently used in metal cleaning (including light metal alloys) and must, therefore, be stabilized against decomposition and formation of acidic substances during storage and application. The basic stabilizer system consists of either an organic amine or a nitro compound and a low-molecular mass epoxide, to which additional components may be added.

Preparation

2,3-Epoxy-2-methylbutane can be prepared by various methods, e.g., via the chlorohydrin route, with percarboxylic acid, or with hydrogen peroxide in a catalyzed reaction.

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