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%
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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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
signalword
Danger
hcodes
pcodes
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
Regulatory Information
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