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86262

2-Methyl-2-butene

≥95.0% (GC)

Synonym(s):

β-Isoamylene, Amylene

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About This Item

Linear Formula:
CH3CH=C(CH3)2
CAS Number:
513-35-9
Molecular Weight:
70.13
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
57653087
EC Number:
208-156-3
Beilstein/REAXYS Number:
1361353
MDL number:
MFCD00009276
Assay:
≥95.0% (GC)
Form:
liquid
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vapor density

2.4 (vs air)

Quality Segment

assay

≥95.0% (GC)

form

liquid

expl. lim.

8.7 %

refractive index

n20/D 1.385 (lit.), n20/D 1.388

bp

35-38 °C (lit.)

mp

−134 °C (lit.)

density

0.662 g/mL at 25 °C (lit.)

SMILES string

C\C=C(\C)C

InChI

1S/C5H10/c1-4-5(2)3/h4H,1-3H3

InChI key

BKOOMYPCSUNDGP-UHFFFAOYSA-N

General description

2-Methyl-2-butene is a trisubstituted olefin. It acts as guest and forms stable solid host-guest complexes with self-assembled benzophenone bis-urea macrocycles. The impact of active chlorine on photo-oxidation of 2-methyl-2-butene was studied. Photosensitized oxidation of 2-methyl-2-butene adsorbed on internal framework of Na-ZSM-5 zeolite was studied. Gas-phase reaction of 2-methyl-2-butene with ozone has been investigated. Kinetics of liquid-phase alkylation of 3-methylthiophene with 2-methyl-2-butene on supported phosphoric acid has been reported.

2-methyl-2-butene undergoes ultraviolet irradiation, leading to the formation of trimethylene oxides.

Application

2-Methyl-2-butene may be employed as precursor for peroxyacetyl nitrate for the calibration purposes.

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Signal Word

Danger

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Chronic 2 - Asp. Tox. 1 - Flam. Liq. 1 - Muta. 2 - STOT SE 3

Target Organs

Central nervous system

Storage Class

3 - Flammable liquids

WGK

WGK 3

Flash Point (°F)

-4.0 °F

Flash Point (°C)

-20 °C

PPE (personal protective equipment)

Eyeshields, Faceshields, Gloves

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