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3-METHYL-1,2-BUTADIENE

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3-METHYL-1,2-BUTADIENE Basic information

Product Name:
3-METHYL-1,2-BUTADIENE
Synonyms:
  • 1,1-Dimethylallylene
  • 1,2-butadiene,3-methyl-
  • 2-Methyl-2,3-butadiene
  • Dimethylallene
  • 3-methyl-buta-1,2-diene
  • CH2=C=C(CH3)2
  • 3,3-DIMETHYLALLENE
  • 3-METHYL-1,2-BUTADIENE
CAS:
598-25-4
MF:
C5H8
MW:
68.12
EINECS:
209-926-1
Mol File:
598-25-4.mol
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3-METHYL-1,2-BUTADIENE Chemical Properties

Melting point:
-148 °C (lit.)
Boiling point:
40-41 °C (lit.)
Density 
0.694 g/mL at 25 °C (lit.)
vapor pressure 
6.87 psi ( 20 °C)
refractive index 
n20/D 1.419(lit.)
Flash point:
10 °F
storage temp. 
2-8°C
solubility 
Soluble in ether, benzene, acetone, ethanol.
form 
clear liquid
color 
Colorless to Almost colorless
Sensitive 
Air Sensitive
BRN 
1697090
CAS DataBase Reference
598-25-4(CAS DataBase Reference)
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Safety Information

Hazard Codes 
F,Xn
Risk Statements 
11-36/37/38-65
Safety Statements 
16-26-36-62
RIDADR 
UN 3295 3/PG 2
WGK Germany 
3
10-23
HS Code 
2901.29.5000
HazardClass 
3
PackingGroup 
II

MSDS

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3-METHYL-1,2-BUTADIENE Usage And Synthesis

Uses

3-Methyl-1,2-butadiene has been used to study the photo-induced reaction of 1,1-dimethylallene with the cyanoarenes 1,2,4,5-tetracyanobenzene, 1,4-dicyanobenzene and 1,4-dicyanonaphthalene in the presence of methanol as nucleophile.

Uses

3-Methyl-1,2-butadiene (1,1-dimethylallene) has been used to study the photo-induced reaction of 1,1-dimethylallene with the cyanoarenes 1,2,4,5-tetracyanobenzene, 1,4-dicyanobenzene and 1,4-dicyanonaphthalene in the presence of methanol as nucleophile.

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