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
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)
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
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.
N-Bromosuccinimide Price
- Product number
- M49704
- Product name
- 2-Methylhexane
- Purity
- 99%
- Packaging
- 5g
- Price
- $147
- Updated
- 2024/03/01
- Product number
- M49704
- Product name
- 2-Methylhexane
- Purity
- 99%
- Packaging
- 25g
- Price
- $428
- Updated
- 2024/03/01
- Product number
- M0231
- Product name
- 2-Methylhexane
- Purity
- >99.0%(GC)
- Packaging
- 5mL
- Price
- $94
- Updated
- 2024/03/01
- Product number
- M0231
- Product name
- 2-Methylhexane
- Purity
- >99.0%(GC)
- Packaging
- 25mL
- Price
- $291
- Updated
- 2024/03/01
- Product number
- 172590
- Product name
- 2-Methylhexane
- Packaging
- 25g
- Price
- $396
- Updated
- 2021/12/16
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 ppbv 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
- Product
- 2-Methylhexane 591-76-4
- Price
- US $7.00/KG
- Min. Order
- 1KG
- Purity
- 99%
- Supply Ability
- 100kg
- Release date
- 2020-02-18