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513-35-9

513-35-9 structural image
Product Name: 2-Methyl-2-butene
Formula: C5H10
Synonyms: β-Isoamylene;2-Methyl-2-butene;Amylene;Isoamylene, Trimethylethylene
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CHEMICAL AND PHYSICAL PROPERTIES

Physical Description 2-methyl-2-butene appears as a clear colorless liquid with a petroleum-like odor. Less dense than water and insoluble in water. Hence floats on water. Vapors heavier than air.
Color/Form LIQUID AT ROOM TEMPERATURE
Odor Disagreeable odor
Boiling Point 37.5-38.5 °C
Melting Point -133.61 °C
Flash Point less than 20 °F (NFPA, 2010)
Solubility Practically insol in water; miscible with alcohol, ether
Density 0.66 @ 15 °C/4 °C
Vapor Density 2.4 (AIR= 1)
Vapor Pressure 468.0 [mmHg]
Henry's Law Constant Henry's Law constant = 0.110 atm-cu m/mole
Viscosity 3.1641X10-3 Pa/s @ 139.39 K
Heat of Vaporization 3.4634X10+7 J/kmol @ 139.39 K
Surface Tension 3.6410X10-2 N/m @ 139.39 K
Refractive Index Index of refraction: 1.3874 @ 20 °C/D
Kovats Retention Index 518.6 520 513.84 514.38 514 519.5 520.3 520.4 520.2 515 525 523 520.1 519.8 519.8 520 520 519 519 520 520 520 519.9 520.3 514 520 520 520 519 522 519 521 514 515 521 514 514.6 514.3 515 522 513.8 522 517 520 520 517 517 517 514 519 515 514 525 531
Other Experimental Properties Polymerizes on long standing
Chemical Classes Other Classes -> Aliphatics, Unsaturated

SAFETY INFORMATION

Signal word Danger
Pictogram(s)

Flame
Flammables
GHS02

Exclamation Mark
Irritant
GHS07

Health Hazard
GHS08

Environment
GHS09
GHS Hazard Statements H224:Flammable liquids
H302:Acute toxicity,oral
H304:Aspiration hazard
H336:Specific target organ toxicity,single exposure; Narcotic effects
H341:Germ cell mutagenicity
H411:Hazardous to the aquatic environment, long-term hazard
Precautionary Statement Codes P201:Obtain special instructions before use.
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P273:Avoid release to the environment.
P308+P313:IF exposed or concerned: Get medical advice/attention.
P403+P233:Store in a well-ventilated place. Keep container tightly closed.

COMPUTED DESCRIPTORS

Molecular Weight 70.13 g/mol
XLogP3 2.3
Hydrogen Bond Donor Count 0
Hydrogen Bond Acceptor Count 0
Rotatable Bond Count 0
Exact Mass 70.078250319 g/mol
Monoisotopic Mass 70.078250319 g/mol
Topological Polar Surface Area 0 Ų
Heavy Atom Count 5
Formal Charge 0
Complexity 38
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

PRODUCT INTRODUCTION

description

2-methyl-2-butene appears as a clear colorless liquid with a petroleum-like odor. Less dense than water and insoluble in water. Hence floats on water. Vapors heavier than air.

RELATED SUPPLIERS

JSK Chemicals

1Y
product:513-35-9 2-Methyl-2-butene,90% 99%
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