2-Methylhexane

ChemicalBook > CAS DataBase List > 2-Methylhexane

Product Name: 2-Methylhexane
CAS No.: 591-76-4
Chemical Name: 2-Methylhexane
Synonyms: d726;NSC-24840;ISOHEPTANE;Methylhexane;2-METHYLHEXANE;2-methyl-hexan;hexane,2-methyl-;2-Methylhexane>2-Methylhexane,99%;ethylisobutylmethane
CBNumber: CB7853906
Molecular Formula: C7H16
Formula Weight: 100.2
MOL File: 591-76-4.mol

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2-Methylhexane Property

Melting point:: -118 °C
Boiling point:: 90 °C(lit.)
Density: 0.679 g/mL at 25 °C(lit.)
vapor pressure: 2.27 psi ( 37.7 °C)
refractive index: n20/D 1.384(lit.)
Flash point:: 25 °F
storage temp.: Flammables area
solubility: Soluble in acetone, alcohol, benzene, chloroform, ligroin, and ether (Weast, 1986). Miscible with liquid aliphatic hydrocarbons.
form: Liquid
color: Clear colorless
explosive limit: ~7%
Water Solubility: 3.8 mg/L at 23 °C (Coates et al., 1985)
2.54 mg/kg at 25 °C (shake flask-GLC, Price, 1976)
BRN: 1696856
Henry's Law Constant: 0.512 atm?m³/mol at 26.9 °C, 0.311 at 35.0 °C, 0.256 at 45.0 °C (dynamic headspace, Hansen et al., 1995)
Dielectric constant: 1.9（20℃）
LogP: 4.118 (est)
CAS DataBase Reference: 591-76-4(CAS DataBase Reference)
EPA Substance Registry System: 2-Methylhexane (591-76-4)

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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
RTECS: MO3871500
Autoignition Temperature: 536 °F
HazardClass: 3.1
PackingGroup: II
HS Code: 29011000

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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: M49704
Product name: 2-Methylhexane
Purity: 99%
Packaging: 5g
Price: $147
Updated: 2024/03/01

Sigma-Aldrich

Product number: M49704
Product name: 2-Methylhexane
Purity: 99%
Packaging: 25g
Price: $428
Updated: 2024/03/01

TCI Chemical

Product number: M0231
Product name: 2-Methylhexane
Purity: >99.0%(GC)
Packaging: 5mL
Price: $94
Updated: 2024/03/01

TCI Chemical

Product number: M0231
Product name: 2-Methylhexane
Purity: >99.0%(GC)
Packaging: 25mL
Price: $291
Updated: 2024/03/01

Matrix Scientific

Product number: 172590
Product name: 2-Methylhexane
Packaging: 25g
Price: $396
Updated: 2021/12/16

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2-Methylhexane Chemical Properties,Usage,Production

Chemical Properties

clear colorless liquid

Physical properties

Clear, colorless, flammable, watery liquid with an odor similar to pentane, 2-methylpentane, 3- methylpentane, hexane, and 3-hexane. An odor threshold concentration of 420 ppb_v was reported by Nagata and Takeuchi (1990).

Uses

2-Methylhexane is mainly used as a model iso-alkane in studies relating to iso-alkane oxidation, vapor-liquid phase equilibria of heptane isomers and catalytic cracking.

Uses

Organic synthesis.

Hazard

Flammable, dangerous fire risk, explosivelimits in air 1–6%.

Source

Schauer et al. (1999) reported 2-methylhexane in a diesel-powered medium-duty truck exhaust at an emission rate of 570 μg/km.
Schauer et al. (2001) measured organic compound emission rates for volatile organic compounds, gas-phase semi-volatile organic compounds, and particle-phase organic compounds from the residential (fireplace) combustion of pine, oak, and eucalyptus. The gas-phase emission rate of 2-methylhexane was 2.6 mg/kg of pine burned. Emission rates of 2-methylhexane were not measured during the combustion of oak and eucalyptus.
California Phase II reformulated gasoline contained 2-methylhexane at a concentration of 15.3 g/kg. Gas-phase tailpipe emission rates from gasoline-powered automobiles with and without catalytic converters were 2.88 and 372 mg/km, respectively (Schauer et al., 2002).

Environmental Fate

Biological. Riser-Roberts (1992) reported 2- and 5-methylhexanoic acids as metabolites by the microorganism Pseudomonas aeruginosa.
Photolytic. Based on a reported photooxidation reaction rate constant of 6.80 x 10^-12 cm³/molecule?sec with OH radicals, the half-life of 2-methylhexane is 25 h (Altshuller, 1990).
Chemical/Physical. Complete combustion in air produces carbon dioxide and water vapor. 2- Methylhexane will not hydrolyze because it does not contain a hydrolyzable functional group.

Purification Methods

Purify it by azeotropic distillation with MeOH, then wash it with water (to remove the MeOH), dry it over type 4A molecular sieves and distil it. [Beilstein 1 IV 397.]

2-Methylhexane Preparation Products And Raw materials

Raw materials

Preparation Products

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View Lastest Price from 2-Methylhexane manufacturers

Career Henan Chemical Co

Product: 2-Methylhexane 591-76-4
Price: US $7.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 100kg
Release date: 2020-02-18

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