ChemicalBook > CAS DataBase List > 3-METHYLHEXANE

3-METHYLHEXANE

Product Name: 3-METHYLHEXANE
CAS No.: 589-34-4
Chemical Name: 3-METHYLHEXANE
Synonyms: 3-methyl-hexan;2-Ethylpentane;METHYLHEXANES;3-METHYLHEXANE;hexane,3-methyl-;Methylhexane,95%;3-Methylhexane>3-Methylhexane,99%;3-METHYLHEXANE 98+%;1-ETHYL-1-PROPYLETHANE
CBNumber: CB2436834
Molecular Formula: C7H16
Formula Weight: 100.2
MOL File: 589-34-4.mol

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3-METHYLHEXANE Property

Melting point:: −119 °C(lit.)
Boiling point:: 91 °C(lit.)
Density: 0.687 g/mL at 25 °C(lit.)
vapor pressure: 2.13 psi ( 37.7 °C)
refractive index: n20/D 1.388(lit.)
Flash point:: 25 °F
solubility: Soluble in acetone, alcohol, benzene, chloroform, ligroin, and ether (Weast, 1986). Miscible with liquid aliphatic hydrocarbons.
form: clear liquid
color: Colorless to Almost colorless
Odor Threshold: 0.84ppm
explosive limit: ~7%
Water Solubility: 2.64mg/L(25 ºC)
BRN: 1718739
Henry's Law Constant: 2.38 at 25 °C (Mackay and Shiu, 1981)
Dielectric constant: 1.9299999999999999
LogP: 4.118 (est)
CAS DataBase Reference: 589-34-4(CAS DataBase Reference)
EPA Substance Registry System: 3-Methylhexane (589-34-4)

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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 1206 3/PG 2
WGK Germany: 1
Autoignition Temperature: 536 °F
HS Code: 2901.10.5000
HazardClass: 3.1
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: M49801
Product name: 3-Methylhexane
Purity: 99%
Packaging: 5g
Price: $114
Updated: 2025/07/31

Sigma-Aldrich

Product number: M49801
Product name: 3-Methylhexane
Purity: 99%
Packaging: 25g
Price: $444
Updated: 2025/07/31

TCI Chemical

Product number: M0340
Product name: 3-Methylhexane
Purity: >95.0%(GC)
Packaging: 5mL
Price: $115
Updated: 2025/07/31

TCI Chemical

Product number: M0340
Product name: 3-Methylhexane
Purity: >95.0%(GC)
Packaging: 25mL
Price: $335
Updated: 2025/07/31

AK Scientific

Product number: 7810AF
Product name: 3-Methylhexane
Packaging: 25ml
Price: $430
Updated: 2021/12/16

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3-METHYLHEXANE Chemical Properties,Usage,Production

Chemical Properties

CLEAR COLOURLESS LIQUID

Physical properties

Clear, colorless liquid with an odor similar to hexane. An odor threshold concentration of 840 ppb_v was reported by Nagata and Takeuchi (1990).

Uses

3-Methylhexane can be used as a model alkane to study:

Cu-catalyzed hydrocarboxylation of simple alkanes to corresponding branched monocarboxylic acids in aqueous medium at low-temperature.
Au-catalyzed oxygenation of alkanes with H₂O₂ in acetonitrile.
FeCI₃ catalyzed photooxygenation of simple alkanes to corresponding alcohols in presence of atmospheric O₂.

Uses

Organic synthesis, oil extender solvent.

Definition

ChEBI: 3-methylhexane is an alkane that is hexane substituted by a methyl group at position 3. It has a role as a human metabolite. It is an alkane and a volatile organic compound.

Hazard

Flammable, dangerous fire risk.

Source

Schauer et al. (1999) reported 3-methylhexane in a diesel-powered medium-duty truck exhaust at an emission rate of 310 μg/km.
California Phase II reformulated gasoline contained 3-methylhexane at a concentration of 16.2 g/kg. Gas-phase tailpipe emission rates from gasoline-powered automobiles with and without catalytic converters were 2.95 and 415 mg/km, respectively (Schauer et al., 2002).

Environmental Fate

Photolytic. Based on a reported photooxidation reaction rate constant of 7.20 x 10^-12 cm³/molecule?sec with OH radicals, the half-life of 3-methylhexane is 20 h (Altshuller, 1990).
Chemical/Physical. Complete combustion in air produces carbon dioxide and water vapor. 3- Methylhexane will not hydrolyze because it does not contain a hydrolyzable functional group.

Purification Methods

Purify it as for 2-methylhexene. [Beilstein 1 IV 399.]

Toxics Screening Level

The initial threshold screening level (lTSL) for 3-methylhexane is 3,500 μg/m3 based on an 8 hr. averaging time.

3-METHYLHEXANE Preparation Products And Raw materials

Raw materials

Preparation Products

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View Lastest Price from 3-METHYLHEXANE manufacturers

PNP Biotech Co. Ltd

Product: 3-METHYLHEXANE 589-34-4
Price: US $0.00/KG
Min. Order: 25KG
Purity: ≥95%
Supply Ability: Inquiry
Release date: 2022-09-21

Henan Fengda Chemical Co., Ltd

Product: 3-METHYLHEXANE 589-34-4
Price: US $100.00-1.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: g-kg-tons, free sample is available
Release date: 2023-12-26

589-34-4, 3-METHYLHEXANERelated Search:

PINONIC ACID 2-Ethylhexyl bromide 2-Ethylhexanoyl chloride (1R)-(+)-ALPHA-PINENE beta-Pinene 3-CARENE (-)-MYRTENOL 2-Ethylhexyl chloroformate (-)-CIS-MYRTANYLAMINE ALPHA-PINENE (-)-VERBENONE PERHYDROFLUORENE ALPHA-(-)-THUJONE 2-METHYLOCTANE PHENYLETHYNYL TRIMETHYLSILANE BIS(PENTAFLUOROPHENYL)DIMETHYLSILANE 1,1,1-TRIFLUORO-5-METHYLHEXANE-2,4-DIONE (2-BROMOETHYL)TRIMETHYLSILANE

3-Methylhexane,99%

3-METHYLHEXANE REFERENCE SUBSTANCE FOR G

3-METHYLHEXANE

ETHYLMETHYLPROPYLMETHANE

2-Ethylpentane

3-methyl-hexan

3-Methylhexane(undefinedopticalisomer)

hexane,3-methyl-

1-ETHYL-1-PROPYLETHANE

Methylhexane,95%

METHYLHEXANES

3-METHYLHEXANE 98+%

3-Methylhexane&gt

3-METHYLHEXANE ISO 9001：2015 REACH

589-34-4

89-34-4

CH3CH2CH2CHCH3CH2CH3

589344

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