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Merck

58552

2-Methylpropene

purum, ≥99.5%

Synonym(s):

Isobutylene

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About This Item

Linear Formula:
(CH3)2C=CH2
CAS Number:
Molecular Weight:
56.11
UNSPSC Code:
12142100
NACRES:
NA.22
PubChem Substance ID:
EC Number:
204-066-3
Beilstein/REAXYS Number:
773645
MDL number:
Assay:
≥99.5%
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Product Name

2-Methylpropene, purum, ≥99.5%

InChI

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

SMILES string

CC(C)=C

InChI key

VQTUBCCKSQIDNK-UHFFFAOYSA-N

vapor density

2 (vs air)

vapor pressure

3278 mmHg ( 37.7 °C)

grade

purum

assay

≥99.5%

autoignition temp.

869 °F

bp

−6.9 °C (lit.)

Quality Level

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Other Notes

Sales restrictions may apply

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)

pictograms

FlameGas cylinder

signalword

Danger

hcodes

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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Jin-Zhou Zhu et al.
Biomaterials, 33(33), 8204-8212 (2012-08-18)
The presence of polymer coating on a coronary stent is a major mediator of coronary inflammation reaction thereby affects re-endothelialization. Poly(styrene-block-isobutylene-block-styrene) (SIBS) is one of the most attractive alternatives to serve as stent coating, but has shown less than optimal
Junming Sun et al.
Journal of the American Chemical Society, 133(29), 11096-11099 (2011-06-21)
We report the design and synthesis of nanosized Zn(x)Zr(y)O(z) mixed oxides for direct and high-yield conversion of bio-ethanol to isobutene (~83%). ZnO is addded to ZrO(2) to selectively passivate zirconia's strong Lewis acidic sites and weaken Brönsted acidic sites, while
Hsing-Lung Lien et al.
Journal of hazardous materials, 144(1-2), 194-199 (2006-11-18)
A solid organic polymer, Nafion, is tested for the removal of methyl tert-butyl ether (MTBE) in water. Nafion with perfluorosulfonic acid backbone and terminal sulfonic acid groups has a surface acidity similar to 100% sulfuric acid, and has been commonly
Jong-Ho Choi et al.
Chemphyschem : a European journal of chemical physics and physical chemistry, 7(12), 2526-2532 (2006-11-09)
The radical-radical reaction mechanisms and dynamics of ground-state atomic oxygen [O(3P)] with the saturated tert-butyl radical (t-C4H9) are investigated using the density functional method and the complete basis set model. Two distinctive reaction pathways are predicted to be in competition:
Nicolas Cottenye et al.
Chemical communications (Cambridge, England), 48(20), 2615-2617 (2012-02-02)
The polymer modification of short nucleotide sequences has been achieved for future use as self-assembled biologically active structures with sizes in the nanometre range. Co-assembly of the resulting DNA-based amphiphilic block copolymers with native proteins demonstrates the self-assembly of biological-like

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