ChemicalBook > CAS DataBase List > 2,4-DIMETHYLPENTANE

2,4-DIMETHYLPENTANE

Product Name
2,4-DIMETHYLPENTANE
CAS No.
108-08-7
Chemical Name
2,4-DIMETHYLPENTANE
Synonyms
Dimethylpentane;DIISOPROPYLMETHANE;Heptan und Isomere;2,4-dimethyl-pentan;2,4-DIMETHYLPENTANE;pentane,2,4-dimethyl-;2,4-Dimethylpentane >2,4-DIMETHYLPENTANE 99+%;2,4-Dimethylpentane, 98+%;dimethylpentane(non-specificname)
CBNumber
CB6124030
Molecular Formula
C7H16
Formula Weight
100.2
MOL File
108-08-7.mol
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2,4-DIMETHYLPENTANE Property

Melting point:
−123 °C(lit.)
Boiling point:
80 °C(lit.)
Density 
0.673 g/mL at 25 °C(lit.)
vapor density 
3.48 (vs air)
vapor pressure 
3.29 psi ( 37.7 °C)
refractive index 
n20/D 1.381(lit.)
Flash point:
10 °F
solubility 
Soluble in acetone, benzene, chloroform, alcohol and ether.
pka
>14 (Schwarzenbach et al., 1993)
color 
Colorless to Almost colorless
Odor Threshold
0.94ppm
explosive limit
~7%
Water Solubility 
4.41mg/L(25 ºC)
BRN 
1696855
Henry's Law Constant
2.94(atm?m3/mol) at 25 °C (Mackay and Shiu, 1981)
Exposure limits
ACGIH: TWA 400 ppm; STEL 500 ppm
Dielectric constant
1.9（-7℃）
CAS DataBase Reference
108-08-7(CAS DataBase Reference)
EPA Substance Registry System
2,4-Dimethylpentane (108-08-7)
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Safety

Hazard Codes 
F,Xn,N
Risk Statements 
11-38-50/53-65-67
Safety Statements 
9-16-29-33-60-61-62
RIDADR 
UN 3295 3/PG 2
WGK Germany 
3
TSCA 
Yes
HS Code 
2901.10.5000
HazardClass 
3
PackingGroup 
II
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H225Highly Flammable liquid and vapour

H304May be fatal if swallowed and enters airways

H315Causes skin irritation

H336May cause drowsiness or dizziness

H410Very toxic to aquatic life with long lasting effects

Precautionary statements

P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.

P233Keep container tightly closed.

P273Avoid release to the environment.

P301+P310IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.

P303+P361+P353IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.

P331Do NOT induce vomiting.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
D173401
Product name
2,4-Dimethylpentane
Purity
99%
Packaging
5g
Price
$122
Updated
2024/03/01
Sigma-Aldrich
Product number
41090
Product name
2,4-Dimethylpentane
Purity
analytical standard
Packaging
5ml
Price
$88.3
Updated
2022/05/15
TCI Chemical
Product number
D0769
Product name
2,4-Dimethylpentane
Purity
>99.0%(GC)
Packaging
5mL
Price
$71
Updated
2024/03/01
TCI Chemical
Product number
D0769
Product name
2,4-Dimethylpentane
Purity
>99.0%(GC)
Packaging
25mL
Price
$208
Updated
2024/03/01
Alfa Aesar
Product number
L03570
Product name
2,4-Dimethylpentane, 98+%
Packaging
2g
Price
$48.65
Updated
2024/03/01
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2,4-DIMETHYLPENTANE Chemical Properties,Usage,Production

Chemical Properties

Colorless liquid with an odor resembling heptane. An odor threshold concentration of 940 ppbv was reported by Nagata and Takeuchi (1990).

Uses

It is not only used for synthesizing WeiNiGuan, but also used in binder and coating industry. It is used for synthesizing resin fiber. It is also used as intermediates and adhesives in oil drop coagulation thickener.

Source

In diesel engine exhaust at a concentration of 0.3% of emitted hydrocarbons (quoted, Verschueren, 1983). Schauer et al. (1999) reported 2,4-dimethylpentane in a diesel-powered medium-duty truck exhaust at an emission rate of 410 μg/km.
California Phase II reformulated gasoline contained 2,2-dimethylbutane at a concentration of 15,700 mg/kg. Gas-phase tailpipe emission rates from gasoline-powered automobiles with and without catalytic converters were 2.92 and 354 mg/km, respectively (Schauer et al., 2002).

Environmental Fate

Photolytic. Based on a photooxidation rate constant of 5.0 x 10-12 cm3/molecule?sec for the reaction of 2,3-dimethypentane and OH radicals in air, the half-life is 27 h (Alltshuller, 1991).
Chemical/Physical. Complete combustion in air yields carbon dioxide and water vapor. 2,4- Dimethylpentane will not hydrolyze because it has no hydrolyzable functional group.

Purification Methods

Extract it repeatedly with conc H2SO4, wash with water, dry and distil it. Alternatively percolated it through silica gel (previously heated in nitrogen to 350o). Purify it by azeotropic distillation with EtOH, followed by washing out the EtOH with water, drying and distilling. [Beilstein 1 IV 406.]

2,4-DIMETHYLPENTANE Preparation Products And Raw materials

Raw materials

Preparation Products

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2,4-DIMETHYLPENTANE Suppliers

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View Lastest Price from 2,4-DIMETHYLPENTANE manufacturers

Henan Fengda Chemical Co., Ltd
Product
2,4-DIMETHYLPENTANE 108-08-7
Price
US $100.00-1.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
g-kg-tons, free sample is available
Release date
2023-12-25
Hebei Guanlang Biotechnology Co., Ltd.
Product
2,4-DIMETHYLPENTANE 108-08-7
Price
US $10.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
10 mt
Release date
2023-02-14
Shaanxi Dideu Medichem Co. Ltd
Product
2,4-DiMethylpentane 108-08-7
Price
US $1.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
20T
Release date
2020-01-10

108-08-7, 2,4-DIMETHYLPENTANERelated Search:

DICYCLOHEXYLMETHANOL TETRAMETHYL-1,3-CYCLOBUTANEDIONE Dicyclopropyl ketone (-)-TRANS-MYRTANOL 1,1,3,3-TETRAMETHYLBUTYL ISOCYANIDE D-(+)-Camphoric acid (-)-CIS-MYRTANYLAMINE PERFLUORO-1,3-DIMETHYLCYCLOHEXANE ALPHA-(-)-THUJONE PERHYDROFLUORENE 4,4'-Diaminodicyclohexyl methane 2,2,4,4-TETRAMETHYL-1,3-CYCLOBUTANEDIOL 1,2,3,4-CYCLOPENTANETETRACARBOXYLIC ACID 1-(4-Chlorophenyl)-4,4-Dimethylpentane-3-One BIS(2,4-DIMETHYLPENTANE-2,4-GLYCOLATO)DIBORON 2,2-Dimethylpentane-1,5-dioic acid 3,4-DIMETHYLPENTANE,2,3-DIMETHYLPENTANE,2,3-DIMETHYLPENTANE, 99+%,2,3-DIMETHYLPENTANE, STANDARD FOR GC,2,3-Dimethylpentane,97% HEXANES

  • dimethylpentane(non-specificname)
  • pentane,2,4-dimethyl-
  • 2,4-DIMETHYLPENTANE
  • DIISOPROPYLMETHANE
  • Dimethylpentane
  • 2,4-DIMETHYLPENTANE, STANDARD FOR GC
  • Heptan und Isomere
  • 2,4-DIMETHYLPENTANE 99+%
  • 2,4-Dimethylpentane, 98+%
  • 2,4-dimethyl-pentan
  • 2,4-Dimethylpentane &gt
  • 2,4-DimethylpentaneSolution,5,000mg/L,1ml
  • 2,4-DIMETHYLPENTANE ISO 9001：2015 REACH
  • 108-08-7
  • CH32CHCH2CHCH32
  • 108087
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