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58552

Sigma-Aldrich

2-Methylpropene

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
Beilstein:
773645
EC Number:
204-066-3
MDL number:
MFCD00008898
UNSPSC Code:
12142100
PubChem Substance ID:
329758419
NACRES:
NA.22

vapor density

2 (vs air)

Quality Level

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

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Packaging

Cylinder with net ~3.6 kg
DIN 477 nr.1

Other Notes

Sales restrictions may apply

Recommended products

Z742161 DIN 1 Regulator OR 99112 DIN 1 Valve

Pictograms

FlameGas cylinder
GHS02,GHS04

Signal Word

Danger

Hazard Statements

H220,H280

Precautionary Statements

P410 + P403

Hazard Classifications

Flam. Gas 1 - Press. Gas Liquefied gas

Storage Class Code

2A - Gases

WGK

nwg

Flash Point(F)

-112.0 °F - closed cup

Flash Point(C)

-80 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
STBJ8146
STBJ0757
STBH9113
STBH8132
STBH1626

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