Poly(isobutylene)

Product Information

Molecular Formula:
[CH2C(CH3)2]n
Molecular Weight:
56.11
Description
Isobutylene is a colorless gas with a faint petroleum-like odor. For transportation it may be stenched. It is shipped as a liquefied gas under its own vapor pressure. Contact with the liquid can cause frostbite. It is easily ignited. Its vapors are heavier than air and a flame can flash back to the source of leak very easily. The leak can either be a liquid or vapor leak. It can asphyxiate by the displacement of air. Under prolonged exposure to fire or heat the containers may rupture violently and rocket. It is used in the production of isooctane, a high octane aviation gasoline.
Synonyms
1-Propene,2-methyl-,homopolymer; 2-methyl-1-propenhomopolymer; 2-methylpropenepolymer; 2-methyl-propenpolymers; amoco600; hyvis200; hyvis2000; hyvis30
IUPAC Name
2-methylprop-1-ene
InChI
InChI=1S/C4H8/c1-4(2)3/h1H2,2-3H3
InChI Key
VQTUBCCKSQIDNK-UHFFFAOYSA-N
Boiling Point
19.6 °F at 760 mmHg
Melting Point
-220.5 °F
Flash Point
-105 °F
Solubility
Insoluble
Appearance
Chunks
Application
Used to make trimers, polymers, antioxidants (foods, packaging, food supplements, and plastics), high-octane aviation gasoline, tert-butanol methacrylates and other resins.
Storage
Store at room temperature
Tg
-73°
Stability
Stable under recommended storage conditions.
LogP
log Kow = 2.34
Vapor Pressure
1 mmHg at -157.2 °F
Henry's Law Constant
0.218 atm cu-m/mol at 25 °C
Decomposition
Hazardous decomposition products formed under fire conditions: Carbon oxides
Odor
Coal gas odor

Safety Information

Hazards
Harmless-use normal precautions
Handling
Exercise normal care
Molecular WeightViscosity
Mw 500 210-227 cps @ 38°
Mw 1350 30.000 cps @ 38°

Computed Properties

XLogP3
2.1
Hydrogen Bond Donor Count
0
Hydrogen Bond Acceptor Count
0
Rotatable Bond Count
0
Exact Mass
56.062600255 g/mol
Monoisotopic Mass
56.062600255 g/mol
Topological Polar Surface Area
0Ų
Heavy Atom Count
4
Formal Charge
0
Complexity
23
Isotope Atom Count
0
Defined Atom Stereocenter Count
0
Undefined Atom Stereocenter Count
0
Defined Bond Stereocenter Count
0
Undefined Bond Stereocenter Count
0
Covalently-Bonded Unit Count
1
Compound Is Canonicalized
Yes

Patents

Publication Number Title Priority Date
WO-2017188357-A1 Substituted dihydropyrrolopyrazole compound, and pharmaceutical composition for dosing in combination with other psoriasis treatment drug 2016-04-28
WO-2017188358-A1 Pharmaceutical composition for treatment or prevention of chronic obstructive pulmonary disease 2016-04-28
WO-2017188369-A1 Pharmaceutical composition for treatment or prevention of atopic dermatitis 2016-04-28
WO-2015155753-A2 Novel linkers and their uses in specific conjugation of drugs to a biological molecule 2015-08-10
US-2015314017-A1 Disulfur bridge linkers for conjugation of a cell-binding molecule 2015-07-15
WO-2015151081-A2 Bridge linkers for conjugation of a cell-binding molecule 2015-07-12
WO-2015151080-A2 Specific conjugation of a cell-binding molecule 2015-07-04
WO-2015151079-A2 Auristatin analogues and their conjugates with cell-binding molecules 2015-06-20
WO-2015151078-A2 Hydrophilic linkers for conjugation 2015-06-15
US-10392480-B2 Catalyst containing amidine groups 2015-04-16

Literatures

PMID Publication Date Title Journal
25576605 2015-03-01 Metabolism of 2-methylpropene (isobutylene) by the aerobic bacterium Mycobacterium sp. strain ELW1 Applied and environmental microbiology
22965495 2012-10-28 Effects of alkyl chain length, solvent and tandem Claisen rearrangement on two-dimensional structures of noncyclic isobutenyl compounds: scanning tunnelling microscopic study Organic & biomolecular chemistry
22647895 2012-08-14 Frustrated Lewis pair addition to conjugated diynes: formation of zwitterionic 1,2,3-butatriene derivatives Dalton transactions (Cambridge, England : 2003)
22703705 2012-08-01 Synthesis and biological activity of substituted 2,4-diaminopyrimidines that inhibit Bacillus anthracis European journal of medicinal chemistry
22705542 2012-08-01 Catalytic etherification of glycerol to produce biofuels over novel spherical silica supported Hyflon® catalysts Bioresource technology
22647999 2012-07-14 FeCl3 promoted highly regioselective [3 + 2] cycloaddition of dimethyl 2-vinyl and aryl cyclopropane-1,1-dicarboxylates with aryl isothiocyanates Organic & biomolecular chemistry
22681641 2012-07-11 A new ONO3- trianionic pincer-type ligand for generating highly nucleophilic metal-carbon multiple bonds Journal of the American Chemical Society
22268561 2012-06-21 Development of a new flow reactor for kinetic studies. Application to the ozonolysis of a series of alkenes The journal of physical chemistry. A
22546943 2012-06-21 Molybdenum- and tungsten(II) monometallic 3-(2-pyridyl)pyrazole and bimetallic 3-(2-pyridyl)pyrazolate complexes Dalton transactions (Cambridge, England : 2003)
22497595 2012-05-04 Direct synthesis of B-allyl and B-allenyldiisopinocampheylborane reagents using allyl or propargyl halides and indium metal under Barbier-type conditions The Journal of organic chemistry
The molarity calculator equation

Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

The dilution calculator equation

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

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