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58552

2-Methylpropene

Name: 2-Methylpropene
Brand: SIAL

purum, ≥99.5%

Synonym(s):

Isobutylene

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About This Item

Linear Formula:

(CH₃)₂C=CH₂

CAS Number:

115-11-7

Molecular Weight:

56.11

UNSPSC Code:

12142100

NACRES:

NA.22

PubChem Substance ID:

329758419

EC Number:

204-066-3

Beilstein/REAXYS Number:

773645

MDL number:

MFCD00008898

Assay:

≥99.5%

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Properties

vapor density

2 (vs air)

Quality Segment

100

vapor pressure

3278 mmHg ( 37.7 °C)

grade

purum

assay

≥99.5%

autoignition temp.

869 °F

bp

−6.9 °C (lit.)

SMILES string

CC(C)=C

InChI

1S/C4H8/c1-4(2)3/h1H2,2-3H3

InChI key

VQTUBCCKSQIDNK-UHFFFAOYSA-N

Description

Packaging

Liquified gas cylinder with a net ~3.6kg of 2-methylpropene, fitted with a valve featuring a 21.8 × 1/14′′ left‑hand thread on the outlet side (DIN 477‑1 compliant)

Other Notes

Sales restrictions may apply

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pictograms

GHS02,GHS04

signalword

Danger

hcodes

H220,H280

pcodes

P410 + P403

Hazard Classifications

Flam. Gas 1 - Press. Gas Liquefied gas

Storage Class

2A - Gases

wgk

nwg

flash_point_f

-112.0 °F - closed cup

flash_point_c

-80 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves

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