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D151602

Sigma-Aldrich

2,3-Dimethylbutane

98%

Synonym(s):

Diisopropyl

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About This Item

Linear Formula:
(CH3)2CHCH(CH3)2
CAS Number:
79-29-8
Molecular Weight:
86.18
Beilstein:
1730737
EC Number:
201-193-6
MDL number:
MFCD00008925
UNSPSC Code:
12352100
PubChem Substance ID:
24893466
NACRES:
NA.22

vapor density

3 (vs air)

vapor pressure

4.54 psi ( 25.0 °C)(lit.)

Assay

98%

form

liquid

autoignition temp.

788 °F

expl. lim.

~7.7 %

refractive index

n20/D 1.375 (lit.)

bp

58 °C (lit.)

mp

−129 °C (lit.)

density

0.662 g/mL at 25 °C (lit.)

SMILES string

CC(C)C(C)C

InChI

1S/C6H14/c1-5(2)6(3)4/h5-6H,1-4H3

InChI key

ZFFMLCVRJBZUDZ-UHFFFAOYSA-N

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General description

2,3-Dimethylbutane can can undergo hydrogenolysis over supported catalysts of ruthenium, nickel, cobalt, and iron to form smaller hydrocarbons, mainly methane.

Application

  • Synthesis, structure, and properties of the condensation product of hexaoxocyclohexane with 2, 3-bis (hydroxyamino)-2, 3-dimethylbutane: Discusses the chemical synthesis and structural analysis of a novel compound derived from hexaoxocyclohexane and 2,3-dimethylbutane (EV Tretyakov, AO Tkacheva, 2014).
  • Catalysts by design - Surface organometallic chemistry on oxide and metal for dehydrogenation of 2, 3-dimethylbutane: This paper details the development of a selective catalyst system for the dehydrogenation of 2,3-dimethylbutane, emphasizing the stability and efficiency of the catalyst (P Rouge, A Garron, S Norsic, C Larabi, N Merle, 2019).

Signal Word

Danger

Hazard Statements

H225,H304,H315,H336,H411

Hazard Classifications

Aquatic Chronic 2 - Asp. Tox. 1 - Flam. Liq. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

-20.2 °F - closed cup

Flash Point(C)

-29 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
SHBN0300
SHBN1722
SHBL4572
SHBK7320
SHBK7321

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Diffusion of benzene, toluene, naphthalene, and phenanthrene in supercritical dense 2, 3?dimethylbutane.
Sun CKJ & Chen SH
AIChE Journal, 31(11), 1904-1910 (1985)
Hydrogenolysis of 2,3-dimethylbutane on supported ruthenium, nickel, cobalt, and iron.
Machiels CJ & Anderson RB
J. Catal., 58(2), 260-267 (1979)
Kinetic study of the photochlorination of 2, 3-dimethylbutane and other alkanes in solution in the presence of benzene. First measurements of the absolute rate constants for hydrogen abstraction by the" free" chlorine atom and the chlorine atom-benzene. pi.-complex. Identification of these two species as the only hydrogen abstractors in these systems.
Bunce NJ, et al.
Journal of the American Chemical Society, 107(19), 5464-5472 (1985)
Gas hydrate equilibria of 2, 3-Dimethylbutane and benzene with methane and nitrogen.
?stergaard KK, et al.
Chemical Engineering Research and Design, 78(5), 731-737 (2000)
Kinetics of C~ 6H~ 5 Radical Reactions with 2-Methylpropane, 2, 3-Dimethylbutane and 2, 3, 4-Trimethylpentane.
Park J, et al.
International Journal of Chemical Kinetics, 31(9), 645-653 (1999)
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Protocols

ASTM D5134: GC Analysis of Hydrocarbons on Petrocol® DH 50.2

-1,3-Dimethylcyclopentane; 1,1-Dimethylcyclopentane; 2,2,3-Trimethylpentane; 2,2-Dimethylbutane; 2,2-Dimethylhexane; 2,2-Dimethylpentane; 2,3-Dimethylbutane; 2,3-Dimethylhexane; 2,4-Dimethylheptane; 2,4-Dimethylpentane; 2,5-Dimethylheptane; 2-Methylhexane; 2-Methylpentane; 3,3-Dimethylpentane; 3,4-Dimethylhexane; 3-Ethylpentane; 3-Methyloctane; 4-Methylheptane; Ethylbenzene; Ethylcyclopentane; 2,6-Dimethylheptane; 3-Ethylheptane

GC Analysis of Hydrocarbons in Gasoline on Petrocol® DH

Protocol for GC Analysis of Hydrocarbons in Gasoline on Petrocol® DH

GC Analysis of Hydrocarbons in Gasoline on Equity®-1 (15 m x 0.10 mm I.D., 0.10 μm), Fast GC Analysis

-Xylene; Nonane; Propylbenzene; Mesitylene; 1,2,4-Trimethylbenzene; 1,2,3-Trimethylbenzene; 1,3-Diethylbenzene; 1,4-Dimethyl-2-ethylbenzene; 1,2-Dimethyl-4-ethylbenzene; Durene; 1,2,3,5-Tetramethylbenzene; 1,2,3,5-Tetramethylbenzene; 2-Methylnaphthalene (β)

GC Analysis of Hydrocarbons in Gasoline on Petrocol® DH, Isothermal

GC Analysis of Hydrocarbons in Gasoline on Petrocol® DH, Isothermal

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