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1,7-DIBROMOHEPTANE

1,7-DIBROMOHEPTANE structure

CAS No.: 4549-31-9

Chemical Name:: 1,7-DIBROMOHEPTANE

Synonyms: Dibromoheptane;1,7-Dibromheptan;1,7-DIBROMOHEPTANE;1,7-dibromo-heptan;Dibromo-1,7 heptane;Heptane,1,7-dibromo-;1,7-Dibromoheptane>1,7-Dibromoheptane,97%;1,7-DIBROMOHEPTANE 98+%;HEPTAMETHYLENE DIBROMIDE

CBNumber:: CB5250109

Molecular Formula:: C7H14Br2

Molecular Weight:: 257.99

MDL Number:: MFCD00000274

MOL File:: 4549-31-9.mol

MSDS File:: SDS

Last updated:2026-01-13 11:21:52

Product description	Number	Pack Size	Price
1,7-Dibromoheptane 97%	144991	10g	$137
1,7-Dibromoheptane 97%	144991	50g	$644
1,7-Dibromoheptane >98.0%(GC)	D2119	10g	$157
1,7-Dibromoheptane >98.0%(GC)	D2119	25g	$340
1,7-Dibromoheptane	D425580	2.5g	$120
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1,7-DIBROMOHEPTANE Properties

Melting point	41.7°C
Boiling point	255 °C (lit.)
Density	1.51 g/mL at 25 °C (lit.)
refractive index	n20/D 1.503(lit.)
Flash point	>230 °F
storage temp.	Sealed in dry,Room Temperature
form	clear liquid
color	Colorless to Light yellow
BRN	1734575
Dielectric constant	5.1（24℃）
Stability	Stable. Incompatible with strong bases, strong oxidizing agents.
InChI	InChI=1S/C7H14Br2/c8-6-4-2-1-3-5-7-9/h1-7H2
InChIKey	LVWSZGCVEZRFBT-UHFFFAOYSA-N
SMILES	C(Br)CCCCCCBr
CAS DataBase Reference	4549-31-9(CAS DataBase Reference)
EPA Substance Registry System	Heptane, 1,7-dibromo- (4549-31-9)
UNSPSC Code	12352100
NACRES	NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS06

Signal word

Danger

Hazard statements

H300

Precautionary statements

P264-P270-P301+P310+P330-P405-P501

PPE

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

Hazard Codes

T,N,Xi

Risk Statements

25-51/53

Safety Statements

36/37-45-60-61

RIDADR

UN 2810 6.1/PG 3

WGK Germany

Hazard Note

Irritant

TSCA

TSCA listed

HazardClass

6.1

HS Code

2903691990

Storage Class

6.1A - Combustible acute toxic Cat. 1 and 2
very toxic hazardous materials

Hazard Classifications

Acute Tox. 2 Oral

Limited Quantities

5.0 L (1.3 gallons) (liquid) or 5.0 kg (11 lbs) (solid)

Excepted Quantities

Max Inner Pack (30g or 30ml) and Max Outer Pack (1Kg or 1L)

NFPA 704

	1
1		0

1,7-DIBROMOHEPTANE price More Price(31)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	144991	1,7-Dibromoheptane 97%	4549-31-9	10g	$137	2026-04-30	Buy
Sigma-Aldrich	144991	1,7-Dibromoheptane 97%	4549-31-9	50g	$644	2026-04-30	Buy
TCI Chemical	D2119	1,7-Dibromoheptane >98.0%(GC)	4549-31-9	10g	$157	2026-04-30	Buy
TCI Chemical	D2119	1,7-Dibromoheptane >98.0%(GC)	4549-31-9	25g	$340	2026-04-30	Buy
TRC	D425580	1,7-Dibromoheptane	4549-31-9	2.5g	$120	2021-12-16	Buy

Product number	Packaging	Price	Buy
144991	10g	$137	Buy
144991	50g	$644	Buy
D2119	10g	$157	Buy
D2119	25g	$340	Buy
D425580	2.5g	$120	Buy

1,7-DIBROMOHEPTANE Chemical Properties,Uses,Production

Chemical Properties

Colorless liquid

Uses

1,7-Dibromoheptane was used in the synthesis of random thermotropic liquid crystalline copolyether and ternary copolyether. It was also used in the synthesis of thermotropic liquid crystalline dendrimer exhibiting a nematic phase.

1,7-DIBROMOHEPTANE synthesis

Synthesis of 1,7-DIBROMOHEPTANE from 1,7-Heptanediol

1,7-DIBROMOHEPTANE Preparation Products And Raw materials

Raw materials

1,7-Heptanediol Diethyl pimelate Dibromomethane Ethylene Pimelic acid

Azelaic acid

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Preparation Products

(2E,4Z)-2,4-Decadien-1-ol 7-Bromo-1-heptene 1,6-Heptadiene 1,7-DIAMINOHEPTANE 7-Bromo-1-heptanol

9-Bromononanoic acid 1,7-HEPTANEDIOL ardisianone B

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1,7-DIBROMOHEPTANE Suppliers

Global( 233)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Shanghai UCHEM Inc.	+862156762820 +86-13564624040	sales@myuchem.com	China	8736	58
Henan Fengda Chemical Co., Ltd	+86-371-86557731 +86-13613820652	info@fdachem.com	China	20124	58
Capot Chemical Co.,Ltd.	+86-（0）57185586718; +8613336195806	sales@capot.com	China	29640	60
Shanghai Daken Advanced Materials Co.,Ltd	+86-2158073036	info@dakenam.com	China	13843	58
Shanghai Time Chemicals CO., Ltd.	+86-021-57951555 +8617317452075	jack.li@time-chemicals.com	China	1803	55
Win-Win Chemical CO., Limited	0086-577-64498589	sales@win-winchemical.com	CHINA	998	58
Accela ChemBio Inc.	+1-858-6993322	info@accelachem.com	United States	21193	58
career henan chemical co	+86-0371-86658258 +8613203830695	factory@coreychem.com	China	29794	58
Guangzhou Yuheng Pharmaceutical Technology Co., Ltd	+8613580539051	joe@yuhengpharm.com	CHINA	21142	58
Hefei TNJ Chemical Industry Co.,Ltd.	+86-0551-65418671 +8618949823763	sales@tnjchem.com	China	34563	58

Supplier	Advantage
Shanghai UCHEM Inc.	58
Henan Fengda Chemical Co., Ltd	58
Capot Chemical Co.,Ltd.	60
Shanghai Daken Advanced Materials Co.,Ltd	58
Shanghai Time Chemicals CO., Ltd.	55
Win-Win Chemical CO., Limited	58
Accela ChemBio Inc.	58
career henan chemical co	58
Guangzhou Yuheng Pharmaceutical Technology Co., Ltd	58
Hefei TNJ Chemical Industry Co.,Ltd.	58

View Lastest Price from 1,7-DIBROMOHEPTANE manufacturers

Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
2026-04-30	1,7-Dibromoheptane 4549-31-9	US $104.00-667.00 / g	25g	0.98	25kg	Shanghai UCHEM Inc.
2025-12-01	1,7-DIBROMOHEPTANE 4549-31-9	US $0.00-0.00 / KG	1KG	98.0%	10000KGS	Shaanxi Dideu New Materials Co. Ltd
2025-09-25	1,7-DIBROMOHEPTANE 4549-31-9	US $100.00-1.00 / KG	1KG	99%	g-kg-tons, free sample is available	Henan Fengda Chemical Co., Ltd

1,7-Dibromoheptane
4549-31-9
US $104.00-667.00 / g
0.98
Shanghai UCHEM Inc.

1,7-DIBROMOHEPTANE
4549-31-9
US $0.00-0.00 / KG
98.0%
Shaanxi Dideu New Materials Co. Ltd

1,7-DIBROMOHEPTANE
4549-31-9
US $100.00-1.00 / KG
99%
Henan Fengda Chemical Co., Ltd

1,7-DIBROMOHEPTANE Spectrum

1,7-DIBROMOHEPTANE(4549-31-9)MS 1,7-DIBROMOHEPTANE(4549-31-9)¹HNMR 1,7-DIBROMOHEPTANE(4549-31-9)¹³CNMR 1,7-DIBROMOHEPTANE(4549-31-9)IR1 1,7-DIBROMOHEPTANE(4549-31-9)Raman

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1,7-DIBROMOHEPTANE 98+% 1,7-dibromo-heptan Dibromo-1,7 heptane Heptane,1,7-dibromo- 1,7-Dibromoheptane,97% 1,7-Dibromoheptane,Heptamethylene dibromide 1,7-DIBROMOHEPTANE HEPTAMETHYLENE DIBROMIDE 1,7-Dibromheptan 1,7-Dibromoheptane> 1,7-DIBROMOHEPTANE ISO 9001：2015 REACH Dibromoheptane 4549-31-9 4549319 C7H14Br2 BrCH27Br Building Blocks Alkyl Organic Building Blocks Halogenated Hydrocarbons Monofunctional & 伪,蠅-Bifunctional Alkanes 伪,蠅-Bifunctional Alkanes 伪,蠅-Dibromoalkanes Intermediates Bromine Compounds alpha,omega-Bifunctional Alkanes alpha,omega-Dibromoalkanes Monofunctional & alpha,omega-Bifunctional Alkanes