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3-METHYLHEPTANE

3-METHYLHEPTANE structure

CAS No.: 589-81-1

Chemical Name:: 3-METHYLHEPTANE

Synonyms: 2-ETHYLHEXANE;3-methyl-heptan;Nsc24845;3-METHYLHEPTANE;Methylheptane,97%;heptane,3-methyl-;3-Methylheptane>3-Methylheptane,95%;Glycerol Impurity 75;BUTYLETHYLMETHYLMETHANE

CBNumber:: CB2170594

Molecular Formula:: C8H18

Molecular Weight:: 114.23

MDL Number:: MFCD00027244

MOL File:: 589-81-1.mol

MSDS File:: SDS

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

Product description	Number	Pack Size	Price
3-Methylheptane 98%	M47957	5g	$173
3-Methylheptane >97.0%(GC)	M0334	1mL	$68
3-Methylheptane >97.0%(GC)	M0334	5mL	$204
3-Methylheptane 97%	MT-17955	25g	$580
3-Methylheptane 97%	MT-17955	25g	$580

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3-METHYLHEPTANE Properties

Melting point	-121--120°C
Boiling point	118 °C(lit.)
Density	0.705 g/mL at 25 °C(lit.)
vapor pressure	0.73 psi ( 37.7 °C)
refractive index	n20/D 1.398(lit.)
Flash point	45 °F
form	clear liquid
color	Colorless to Almost colorless
Odor Threshold	0.027ppm
Water Solubility	792 μg/kg at 25 °C (shake flask-GLC, Price, 1976)
Thermal Conductivity	0.1149 W/(m·K) at 25 ℃
Specific Heat Capacity	Cp(liquid): 2.19 J/(g·K), at 25℃
BRN	1730777
Henry's Law Constant	3.70 atmm³/molat 25 °C (approximate - calculated from water solubility and vapor pressure)
Exposure limits	ACGIH: TWA 300 ppm
InChI	1S/C8H18/c1-4-6-7-8(3)5-2/h8H,4-7H2,1-3H3
InChIKey	LAIUFBWHERIJIH-UHFFFAOYSA-N
SMILES	CCCCC(C)CC
LogP	4.627 (est)
CAS DataBase Reference	589-81-1(CAS DataBase Reference)
FDA UNII	Z4R1WI6C0R
EPA Substance Registry System	3-Methylheptane (589-81-1)
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-P273-P240-P261-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,Xi

Risk Statements

11-38-50/53-65-67

Safety Statements

9-16-29-33-60-61-62

RIDADR

UN 1262 3/PG 2

WGK Germany

Hazard Note

Irritant/Highly Flammable

TSCA

TSCA listed

HazardClass

PackingGroup

HS Code

2901100000

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

3-METHYLHEPTANE price More Price(12)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	M47957	3-Methylheptane 98%	589-81-1	5g	$173	2026-04-30	Buy
TCI Chemical	M0334	3-Methylheptane >97.0%(GC)	589-81-1	1mL	$68	2026-04-30	Buy
TCI Chemical	M0334	3-Methylheptane >97.0%(GC)	589-81-1	5mL	$204	2026-04-30	Buy
AHH	MT-17955	3-Methylheptane 97%		25g	$580	2026-05-26	Buy
AHH	MT-17955	3-Methylheptane 97%		25g	$580	2026-05-25	Buy

Product number	Packaging	Price	Buy
M47957	5g	$173	Buy
M0334	1mL	$68	Buy
M0334	5mL	$204	Buy
MT-17955	25g	$580	Buy
MT-17955	25g	$580	Buy

3-METHYLHEPTANE Chemical Properties,Uses,Production

Chemical Properties

Colorless liquid.

Physical properties

Colorless, flammable liquid with an odor resembling hexane. An odor threshold concentration of 1.5 ppm_v was reported by Nagata and Takeuchi (1990).

Uses

Calibration, organic synthesis.

Definition

ChEBI: 3-Methylheptane is an alkane.

Hazard

Flammable, dangerous fire risk.

Environmental Fate

Photolytic. Based on a photooxidation rate constant of 8.90 x 10^-12 cm³/moleculesec for the reaction of 3-methylheptane and OH radicals, the estimated lifetime is 16 h during summer sunlight (Altshuller, 1991).
Chemical/Physical. Complete combustion in air produces carbon dioxide and water vapor. 3- Methylheptane will not hydrolyze because it does not contain a hydrolyzable functional group.

Solubility in organics

In methanol, g/L: 154 at 5 °C, 170 at 10 °C, 190 at 15 °C, 212 at 20 °C, 242 at 25 °C, 274 at 30 °C, 314 at 35 °C, 365 at 40 °C (Kiser et al., 1961); miscible in many liquid hydrocarbons, particularly saturated hydrocarbons.

3-METHYLHEPTANE Preparation Products And Raw materials

Raw materials

Preparation Products

N-NONANE 2,4-DIMETHYLPENTANE 2-METHYLHEPTANE

3-METHYLHEPTANE Suppliers

Global( 102)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
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
Hefei TNJ Chemical Industry Co.,Ltd.	+86-0551-65418671 +86-189 4982 3763	sales@tnjchem.com	China	34563	58
Shaanxi Dideu Medichem Co. Ltd	+86-29-81139210 +86-17392587031	1059@dideu.com	China	9996	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
SHANGHAI KEAN TECHNOLOGY CO., LTD.	+8613817748580	cooperation@kean-chem.com	China	40066	58
XIAMEN AMITY INDUSTRY AND TRADE CO., LTD.	+8618950047208	ellena@amitychem.com	China	43414	58
XIAMEN EQUATION CHEMICAL CO.,LTD	+86-5926515854 +86-18060954864	sales@equationchemical.com	China	3000	58
Mainchem Co., Ltd.	+86-0592-6210733	sale@mainchem.com	China	32343	55

Supplier	Advantage
Hebei Chuanghai Biotechnology Co., Ltd	58
Henan Fengda Chemical Co., Ltd	58
Hefei TNJ Chemical Industry Co.,Ltd.	58
Shaanxi Dideu Medichem Co. Ltd	58
Dalian Ruiying Technology Co., Ltd.	58
Aladdin Scientific	58
SHANGHAI KEAN TECHNOLOGY CO., LTD.	58
XIAMEN AMITY INDUSTRY AND TRADE CO., LTD.	58
XIAMEN EQUATION CHEMICAL CO.,LTD	58
Mainchem Co., Ltd.	55

View Lastest Price from 3-METHYLHEPTANE manufacturers

Image	Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
	2026-07-09	3-METHYLHEPTANE 589-81-1	$1.00-100.00	1KG	99%		Henan Fengda Chemical Co., Ltd
	2026-03-20	3-METHYLHEPTANE 589-81-1		1KG	99%	20 mt	Hebei Chuanghai Biotechnology Co., Ltd

3-METHYLHEPTANE
589-81-1
$1.00-100.00
99%
Henan Fengda Chemical Co., Ltd

3-METHYLHEPTANE
589-81-1
99%
Hebei Chuanghai Biotechnology Co., Ltd

3-METHYLHEPTANE Spectrum

3-METHYLHEPTANE(589-81-1)MS 3-METHYLHEPTANE(589-81-1)¹HNMR 3-METHYLHEPTANE(589-81-1)¹³CNMR 3-METHYLHEPTANE(589-81-1)IR1 3-METHYLHEPTANE(589-81-1)IR2

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3-METHYLHEPTANE heptane,3-methyl- Methylheptane,97% 3-Methylheptane,95% BUTYLETHYLMETHYLMETHANE 3-METHYLHEPTANE REFERENCE SUBSTANCE FOR Nsc24845 3-Methylheptane> 3-METHYLHEPTANE ISO 9001：2015 REACH 3-Methylheptane in methanol Glycerol Impurity 75 2-ETHYLHEXANE 3-methyl-heptan 589-81-1 CH3CH23CHCH3CH2CH3 589811 Organic Building Blocks Building Blocks Alkanes Acyclic Aliphatics Acyclic Alkanes Organic Building Blocks