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2,3,4-TRIMETHYLPENTANE

2,3,4-TRIMETHYLPENTANE structure

CAS No.: 565-75-3

Chemical Name:: 2,3,4-TRIMETHYLPENTANE

Synonyms: Pentane, 2,3,4-trimethyl-;Tivozanib Impurity 5;2,3,4-TRIMETHYLPENTANE;2,3,4-trimethyl-pentan;(CH3)2CHCH(CH3)CH(CH3)2;2,3,4-Trimethylpentane >2,3,4-Trimethylpentane,>99%;2,3,4-Trimethylpentane, ≥ 99.0%;2,3,4-Trimethylpentane in methanol;2,3,4-TRIMETHYLPENTANE ISO 9001：2015 REACH

CBNumber:: CB4371245

Molecular Formula:: C8H18

Molecular Weight:: 114.23

MDL Number:: MFCD00008924

MOL File:: 565-75-3.mol

MSDS File:: SDS

TDS File:: TDS

Last updated:2026-06-23 16:59:16

Product description	Number	Pack Size	Price
2,3,4-Trimethylpentane 98%	257508	5g	$94.9
2,3,4-Trimethylpentane 98%	257508	25g	$368
2,3,4-Trimethylpentane >99.0%(GC)	T0482	5mL	$514
2,3,4-Trimethylpentane	172537	10g	$100
2,3,4-Trimethylpentane	7982AF	5ml	$375

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2,3,4-TRIMETHYLPENTANE Properties

Melting point	-110 °C (lit.)
Boiling point	113-114 °C (lit.)
Density	0.719 g/mL at 25 °C (lit.)
vapor pressure	27.0 at 25 °C (Wilhoit and Zwolinski, 1971)
refractive index	n20/D 1.404(lit.)
Flash point	5°C
solubility	Soluble in acetone, alcohol, benzene, chloroform, ether (Weast, 1986); miscible with many aliphatic hydrocarbons
pka	>14 (Schwarzenbach et al., 1993)
form	clear liquid
color	Colorless to Almost colorless
Water Solubility	(mg/kg): 1.36 at 25 °C (shake flask-GLC, Price, 1976) 2.34 at 0 °C, 2.30 at 25 °C (shake flask-GC, Polak and Lu, 1973)
Thermal Conductivity	0.1035 W/(m·K) at 25 ℃
Specific Heat Capacity	Cp(liquid): 2.16 J/(g·K), at 25℃
BRN	1696869
Henry's Law Constant	1.89 at 25 °C (Mackay and Shiu, 1981)
Exposure limits	ACGIH TLV: TWA for all isomers 300 ppm (adopted).
InChI	1S/C8H18/c1-6(2)8(5)7(3)4/h6-8H,1-5H3
InChIKey	RLPGDEORIPLBNF-UHFFFAOYSA-N
SMILES	CC(C)C(C)C(C)C
CAS DataBase Reference	565-75-3(CAS DataBase Reference)
EWG's Food Scores	1-2
FDA UNII	WOJ1QVR6OA
EPA Substance Registry System	2,3,4-Trimethylpentane (565-75-3)
UNSPSC Code	12352100
NACRES	NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS02,GHS07,GHS08,GHS09

Signal word

Danger

Hazard statements

H315-H336-H304-H410-H225

Precautionary statements

P501-P261-P273-P240-P210-P233-P243-P241-P242-P271-P264-P280-P370+P378-P391-P331-P362+P364-P303+P361+P353-P332+P313-P301+P310-P304+P340+P312-P403+P233-P403+P235-P405

target organs

Central nervous system

PPE

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

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

RTECS

SA3321500

TSCA

TSCA listed

HS Code

2901.10.5000

HazardClass

PackingGroup

Storage Class

3 - Flammable liquids

Hazard Classifications

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

NFPA 704

	3
3		0

2,3,4-TRIMETHYLPENTANE price More Price(8)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	257508	2,3,4-Trimethylpentane 98%	565-75-3	5g	$94.9	2026-04-30	Buy
Sigma-Aldrich	257508	2,3,4-Trimethylpentane 98%	565-75-3	25g	$368	2026-04-30	Buy
TCI Chemical	T0482	2,3,4-Trimethylpentane >99.0%(GC)	565-75-3	5mL	$514	2026-04-30	Buy
Matrix Scientific	172537	2,3,4-Trimethylpentane	565-75-3	10g	$100	2021-12-16	Buy
AK Scientific	7982AF	2,3,4-Trimethylpentane	565-75-3	5ml	$375	2021-12-16	Buy

Product number	Packaging	Price	Buy
257508	5g	$94.9	Buy
257508	25g	$368	Buy
T0482	5mL	$514	Buy
172537	10g	$100	Buy
7982AF	5ml	$375	Buy

2,3,4-TRIMETHYLPENTANE Chemical Properties,Uses,Production

Chemical Properties

Clear, colorless, flammable, watery liquid with a mild aliphatic hydrocarbon odor resembling hexane.

Uses

2,3,4-Trimethylpentane (2,3,4- tmp) is an isomeric compound of octane with an EC50 of 16.3 mM for 2,3,4- tmp.It can be used for its infrared spectroscopic studies and for biological activity studies such as the urinary metabolites of the potent nephrotoxic hydrocarbons 2,3,4- tmp in Fischer-344 male rats by gavage. Study. In addition, exposure of rat renal proximal tubules to 2,3,4-tmp resulted in structural changes that caused increased mitochondrial swelling, increased vesiculation, decreased microvilli and nuclear shrinkage^[1-3].

Definition

ChEBI: 2,3,4-trimethylpentane is an alkane that is pentane substituted by a methyl group at positions 2,3 and 4. It is a constituent of gasoline. It has a role as a mammalian metabolite and a nephrotoxic agent. It is an alkane and a volatile organic compound.

General Description

Kinetics and mechanism of reaction of OH radicals with 2,3,4-trimethylpentane in the presence of NO has been investigated. Kinetics of reactions of C₆H₅ radical with 2,3,4-trimethylpentane has been measured by cavity ringdown spectrometry.

Source

Schauer et al. (1999) reported 2,3,4-trimethylpentane in a diesel-powered medium-duty truck exhaust at an emission rate of 310 μg/km.
California Phase II reformulated gasoline contained 2,3,4-trimethylpentane at a concentration of 13.0 g/kg. Gas-phase tailpipe emission rates from gasoline-powered automobiles with and without catalytic converters were 2.51 and 412 mg/km, respectively (Schauer et al., 2002).

Environmental Fate

Photolytic. Atkinson (1990) reported a rate constant of 7.0 x 10^-12 cm³/moleculesec for the reaction of 2,3,4-trimethylpentane and OH radicals in the atmosphere at 298 K. Based on this reaction rate constant, the estimated lifetime is 20 h (Altshuller, 1991).
Chemical/Physical. Complete combustion in air produces carbon dioxide and water vapor.
2,3,4-Trimethylpentane will not hydrolyze because it does not contain a hydrolyzable functional group.

References

[1] G.A. CROWDER; Lorelei G. Vibrational analysis of 2,3,4-trimethylpentane and 2,3,4-trimethylhexane[J]. Journal of Molecular Structure, 1984. DOI:10.1016/0022-2860(84)85188-1.
[2] CARL T. OLSON . The metabolism of 2,3,4-trimethylpentane in male fischer-344 rats[J]. Toxicology letters, 1987. DOI:10.1016/0378-4274(87)90132-9.
[3] N.J. DELRASO; C. S G; D R Mattie. Lack of detectable metabolism for solubilized 2,3,4-trimethylpentane by rat kidney proximal tubules[J]. Toxicology letters, 1990. DOI:10.1016/0378-4274(90)90201-V.

2,3,4-TRIMETHYLPENTANE synthesis

Synthesis of 2,3,4-TRIMETHYLPENTANE from Methanol and 2,3-Dimethyl-2-butene and Iodomethane

2,3,4-TRIMETHYLPENTANE Preparation Products And Raw materials

Raw materials

2,3,4-TRIMETHYL-2-PENTENE ISOBUTANE 2,3-Dimethylbutane Ethylene 2-Butene

Preparation Products

2,2,3-TRIMETHYLPENTANE 2,3,3-TRIMETHYLPENTANE 2,4-DIMETHYLPENTANE

2,3,4-TRIMETHYLPENTANE Suppliers

Global( 85)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
ROSEWA HOLDING GROUP CO.,LIMITED	+86-023-62871537	sales@rosewachem.com	China	2812	58
Hebei Chuanghai Biotechnology Co., Ltd	+86-15350571055	Sibel@chuanghaibio.com	China	8738	58
Henan Fengda Chemical Co., Ltd	+86-371-86557731 +86-13613820652	info@fdachem.com	China	20120	58
career henan chemical co	+86-0371-86658258	sales@coreychem.com	China	29812	58
Shenzhen Nexconn Pharmatechs Ltd	+86-755-89396905 +86-15013857715	admin@nexconn.com	China	10403	58
VladaChem GmbH	+49-7246-3082843 +86-18411632868	info@vladachem.de	Germany	1859	58
Shaanxi Didu New Materials Co. Ltd	+86-86-17392712779 +86-13289823923	1090@dideu.com	China	8660	58
PNP Biotech Co. Ltd	+86-18516098983	sales@pnpbiotech.com	China	1001	58
Dalian Ruiying Technology Co., Ltd.	+86-0411-86907150 +86-15940963210	609262758@qq.com	China	578	58
Aladdin Scientific		tp@aladdinsci.com	United States	57505	58

Supplier	Advantage
ROSEWA HOLDING GROUP CO.,LIMITED	58
Hebei Chuanghai Biotechnology Co., Ltd	58
Henan Fengda Chemical Co., Ltd	58
career henan chemical co	58
Shenzhen Nexconn Pharmatechs Ltd	58
VladaChem GmbH	58
Shaanxi Didu New Materials Co. Ltd	58
PNP Biotech Co. Ltd	58
Dalian Ruiying Technology Co., Ltd.	58
Aladdin Scientific	58

View Lastest Price from 2,3,4-TRIMETHYLPENTANE manufacturers

Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
2026-07-09	2,3,4-TRIMETHYLPENTANE 565-75-3	$1.00-100.00	1KG	99%		Henan Fengda Chemical Co., Ltd
2026-05-15	2,3,4-TRIMETHYLPENTANE 565-75-3	$1.10	1g	99.0% Min	100 Tons	Shaanxi Didu New Materials Co. Ltd
2026-03-20	2,3,4-TRIMETHYLPENTANE 565-75-3	$10.00	1KG	99%	10 mt	Hebei Chuanghai Biotechnology Co., Ltd

2,3,4-TRIMETHYLPENTANE
565-75-3
$1.00-100.00
99%
Henan Fengda Chemical Co., Ltd

2,3,4-TRIMETHYLPENTANE
565-75-3
$1.10
99.0% Min
Shaanxi Didu New Materials Co. Ltd

2,3,4-TRIMETHYLPENTANE
565-75-3
$10.00
99%
Hebei Chuanghai Biotechnology Co., Ltd

2,3,4-TRIMETHYLPENTANE Spectrum

2,3,4-TRIMETHYLPENTANE(565-75-3)MS 2,3,4-TRIMETHYLPENTANE(565-75-3)¹HNMR 2,3,4-TRIMETHYLPENTANE(565-75-3)¹³CNMR 2,3,4-TRIMETHYLPENTANE(565-75-3)IR1 2,3,4-TRIMETHYLPENTANE(565-75-3)IR2 2,3,4-TRIMETHYLPENTANE(565-75-3)Raman

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(CH3)2CHCH(CH3)CH(CH3)2 2,3,4-trimethyl-pentan 2,3,4-Trimethylpentane,>99% 2,3,4-TRIMETHYLPENTANE 2,3,4-Trimethylpentane > 2,3,4-TRIMETHYLPENTANE ISO 9001：2015 REACH 2,3,4-Trimethylpentane, ≥ 99.0% 2,3,4-Trimethylpentane in methanol Tivozanib Impurity 5 Pentane, 2,3,4-trimethyl- 565-75-3 565753 Alkanes Acyclic Building Blocks Organic Building Blocks Building Blocks Chemical Synthesis Organic Building Blocks Acyclic Alkanes Organic Building Blocks