110930
3-Methyl-1,2-butadiene
97%
Synonym(s):
1,1-Dimethylallene
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About This Item
Linear Formula:
(CH3)2C=C=CH2
CAS Number:
Molecular Weight:
68.12
Beilstein:
1697090
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22
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vapor pressure
6.87 psi ( 20 °C)
Quality Level
Assay
97%
refractive index
n20/D 1.419 (lit.)
bp
40-41 °C (lit.)
mp
−148 °C (lit.)
density
0.694 g/mL at 25 °C (lit.)
storage temp.
2-8°C
SMILES string
CC(C)=C=C
InChI
1S/C5H8/c1-4-5(2)3/h1H2,2-3H3
InChI key
PAKGDPSCXSUALC-UHFFFAOYSA-N
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Application
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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Description
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Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Asp. Tox. 1 - Eye Irrit. 2 - Flam. Liq. 2 - Skin Irrit. 2 - STOT SE 3
Target Organs
Respiratory system
Storage Class Code
3 - Flammable liquids
WGK
WGK 3
Flash Point(F)
10.4 °F - closed cup
Flash Point(C)
-12 °C - closed cup
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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