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1,1-Dibromoethane

1,1-Dibromoethane structure

CAS No.: 557-91-5

Chemical Name:: 1,1-Dibromoethane

Synonyms: CH3CHBr2;ETHYLIDENE BROMIDE;1,1-EDB;1,1-Dibromethan;1,1-DIBROMOETHANE;1,1-dibromo-ethan;Ethane,1,1-dibromo-;ethylidenedibromide;Ethylidene dibromide;1,1-DIBROMOETHANE STABILIZED 99%

CBNumber:: CB6853828

Molecular Formula:: C2H4Br2
Lewis structure

Molecular Weight:: 187.86

MDL Number:: MFCD00041719

MOL File:: 557-91-5.mol

MSDS File:: SDS

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

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1,1-Dibromoethane Properties

Melting point	-63°C
Boiling point	107 °C
Density	2.06
refractive index	1.509-1.512
Water Solubility	Insoluble in water
solubility	Acetonitrile (Slightly), Chloroform (Soluble)
form	Liquid
color	Clear colorless to brown
Specific Gravity	2.1
Specific Heat Capacity	Cp(gas): 0.43 J/(g·K), at 25℃
Henry's Law Constant	7.6×10^-3 mol/(m³Pa) at 25℃, HSDB (2015)
CAS DataBase Reference	557-91-5(CAS DataBase Reference)
FDA UNII	KJ8ZJY72QQ
EPA Substance Registry System	Ethylidene bromide (557-91-5)

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS06,GHS07

Signal word

Danger

Hazard statements

H301+H311+H331-H315-H319

Precautionary statements

P261-P264-P270-P271-P280-P301+P310+P330-P302+P352+P312+P361+P364-P304+P340+P311-P305+P351+P338+P337+P313-P403+P233-P405-P501

Hazard Codes

Risk Statements

40-20/21/22

Safety Statements

45-36/37

RIDADR

2810

RTECS

KH9000000

TSCA

TSCA listed

HazardClass

6.1(b)

PackingGroup

III

HS Code

29033990

Hazardous Substances Data

557-91-5(Hazardous Substances Data)

NFPA 704

	1
2		0

1,1-Dibromoethane price More Price(21)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
TCI Chemical	D0184	1,1-Dibromoethane (stabilized with Copper chip) >98.0%(GC)	557-91-5	5g	$129	2026-04-30	Buy
Usbiological	274678	1,1-Dibromoethane (stabilized with Copper chip) Asreported	557-91-5	2g	$335	2026-06-03	Buy
Usbiological	274678	1,1-Dibromoethane (stabilized with Copper chip) Asreported	557-91-5	5g	$490	2026-06-03	Buy
Usbiological	274678	1,1-Dibromoethane (stabilized with Copper chip) Asreported	557-91-5	10g	$681	2026-06-03	Buy
Usbiological	274678	1,1-Dibromoethane (stabilized with Copper chip) Asreported	557-91-5	25g	$1044	2026-06-03	Buy

Product number	Packaging	Price	Buy
D0184	5g	$129	Buy
274678	2g	$335	Buy
274678	5g	$490	Buy
274678	10g	$681	Buy
274678	25g	$1044	Buy

1,1-Dibromoethane Chemical Properties,Uses,Production

Chemical Properties

clear colourless to brownish liquid

Uses

1,1-Dibromoethane is a useful reagent for setereoselective synthesis of (+)-phorboxazole A via Petasis-Ferrier rearrangement. It is also used for preparation of olefinic enol ether.

1,1-Dibromoethane synthesis

Synthesis of 1,1-Dibromoethane from Ethane

1,1-Dibromoethane Preparation Products And Raw materials

Raw materials

2-Bromopropionamide Bromoethane Dibromomethane Iodomethane Acetylene

Preparation Products

4-Fluoro-2-methylbenzoic acid 1,1,2-Tribromoethane Vinyl bromide 1,1-Dichloroethane

1,1-Dibromoethane Suppliers

Global( 76)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
J & K SCIENTIFIC LTD.	18210857532 18210857532	jkinfo@jkchemical.com	China	96815	76
Meryer (Shanghai) Chemical Technology Co., Ltd.	4006356688 18621169109	market03@meryer.com	China	40202	62
TCI (Shanghai) Development Co., Ltd.	021-67121386	Sales-CN@TCIchemicals.com	China	24512	81
Energy Chemical	400-0056266	sales8178@energy-chemical.com	China	44850	61
Shanghai Longsheng chemical Co.,Ltd.	58099637 13585536065	sales@shlschem.com	China	9880	59
Shandong Xiya Chemical Co., Ltd	13355009207 13355009207	3007715519@qq.com	China	18722	57
Thermo Fisher Scientific	800-810-5118	cnchemical@thermofisher.com	China	17752	75
Beijing innoChem Science & Technology Co.,Ltd.	400-810-7969 010-59572699	ningzi.li@inno-chem.com.cn	China	6122	55
TOKYO CHEMICAL INDUSTRY CO., LTD.	03-36680489	Sales-JP@TCIchemicals.com	Japan	28364	80
TCI Europe	320-37350700	sales@tcieurope.eu	Europe	23654	75

Supplier	Advantage
J & K SCIENTIFIC LTD.	76
Meryer (Shanghai) Chemical Technology Co., Ltd.	62
TCI (Shanghai) Development Co., Ltd.	81
Energy Chemical	61
Shanghai Longsheng chemical Co.,Ltd.	59
Shandong Xiya Chemical Co., Ltd	57
Thermo Fisher Scientific	75
Beijing innoChem Science & Technology Co.,Ltd.	55
TOKYO CHEMICAL INDUSTRY CO., LTD.	80
TCI Europe	75

1,1-Dibromoethane Spectrum

1,1-Dibromoethane(557-91-5)MS 1,1-Dibromoethane(557-91-5)¹HNMR 1,1-Dibromoethane(557-91-5)¹³CNMR 1,1-Dibromoethane(557-91-5)IR1 1,1-Dibromoethane(557-91-5)Raman

557-91-5(1,1-Dibromoethane)Related Search:

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1of4

1,1-Dibromoethane ,98.5% [stabilized] 1,1-DibroMoethane, stabilized, 99% 100GR 1,1-DibroMoethane, 99%, stabilized, stabilized 1,1-Dibromethan 1,1-dibromo-ethan Ethane,1,1-dibromo- Ethylidene dibromide ethylidenedibromide ETHYLIDENE BROMIDE 1,1-DIBROMOETHANE 1,1-DIBROMOETHANE (ETHYLIDENE BROMIDE ) 1,1-Dibromoethane, stabilized, 99% 1,1-EDB 1,1-DIBROMOETHANE (STABILIZED WITH COPPER CHIP) 1,1-DIBROMOETHANE STABILIZED 99% 1,1-Dibromoethane, 99%, stabilized 1,1-Dibromoethane (stabilized with Copper chip)> 1,1-Dibromoethane (contains stabilizer ) Neighboring roxithidine hydrochloride acetate CH3CHBr2 557-91-5 557915