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1-Bromobenzocyclobutene

1-Bromobenzocyclobutene structure

CAS No.: 21120-91-2

Chemical Name:: 1-Bromobenzocyclobutene

Synonyms: 1-BROMOBENZOCYCLOBUTENE;1-Bromobenzocyclobutene 95%;1-BroMobenzocyclobutene;1-bromo-1,2-dihydrobenzocyclobutene;7-bromobicyclo[4.2.0]octa-1(6),2,4-triene;Bicyclo[4.2.0]octa-1,3,5-triene, 7-bromo-;7-BroMobicyclo[4.2.0]octa-1,3,5,7-tetraene;1-Bromobenzocyclobutene ISO 9001：2015 REACH;1-BrBCB 1-Bromobenzocyclobutene

CBNumber:: CB2399465

Molecular Formula:: C8H7Br

Molecular Weight:: 183.05

MDL Number:: MFCD00799491

MOL File:: 21120-91-2.mol

MSDS File:: SDS

Last updated:2023-12-28 18:13:10

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1-Bromobenzocyclobutene Properties

Boiling point	90 °C/10.5 mmHg (lit.)
Density	1.45 g/mL at 25 °C (lit.)
refractive index	n20/D 1.59(lit.)
Flash point	205 °F
storage temp.	Sealed in dry,Room Temperature
InChIKey	JQOFZAWKFBCSHK-UHFFFAOYSA-N

SAFETY

Risk and Safety Statements

Symbol(GHS)	GHS07
Signal word	Warning
Hazard statements	H319
Precautionary statements	P305+P351+P338
WGK Germany	3
HS Code	2903898090

1-Bromobenzocyclobutene price More Price(23)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	469068	1-Bromobenzocyclobutene 95%	21120-91-2	1g	$135	2024-03-01	Buy
TRC	B488515	7-bromobicyclo[4.2.0]octa-1,3,5-triene	21120-91-2	100mg	$240	2021-12-16	Buy
TRC	B488515	7-bromobicyclo[4.2.0]octa-1,3,5-triene	21120-91-2	10mg	$45	2021-12-16	Buy
Biosynth Carbosynth	FB147658	1-Bromobenzocyclobutene	21120-91-2	500mg	$110	2021-12-16	Buy
Biosynth Carbosynth	FB147658	1-Bromobenzocyclobutene	21120-91-2	250mg	$65	2021-12-16	Buy

Product number	Packaging	Price	Buy
469068	1g	$135	Buy
B488515	100mg	$240	Buy
B488515	10mg	$45	Buy
FB147658	500mg	$110	Buy
FB147658	250mg	$65	Buy

1-Bromobenzocyclobutene Chemical Properties,Uses,Production

Chemical Properties

Colorless to pale yellow liquid

Uses

1-Bromobenzocyclobutene may be used in the synthesis of following compounds:

five-membered zirconacycles
benzocyclobutenol and benzocyclobutenone
2,3-dimethoxyprotoberberinium bromide, via reaction with 3,4-dihydro-6,7-dimethoxyisoquinoline

General Description

1-Bromobenzocyclobutene is a useful synthon. It has important applications in organometallic methodology. Reaction between cycloheptatriene, bromoform, potassium carbonate and 18-crown-6 at 140°C yields 1-bromobenzocyclobutene.

1-Bromobenzocyclobutene synthesis

Synthesis of 1-Bromobenzocyclobutene from Bromoform and Cycloheptatriene

1-Bromobenzocyclobutene Preparation Products And Raw materials

Raw materials

Bicyclo[4.2.0]octa-1,3,5-triene,7,8-diiodo- 2,2-dibromoethylbenzene Benzenediazonium-2-carboxylate 8-bicyclo[4.2.0]octa-1,3,5-trienyl acetate Benzocyclobutene

Bicyclo[4.2.0]octane-1,3,5-triene-7-ol Cycloheptatriene Vinyl bromide Bromoform Anthranilic acid

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Preparation Products

1-Bromobenzocyclobutene Suppliers

Global( 79)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Henan Fengda Chemical Co., Ltd	+86-371-86557731 +86-13613820652	info@fdachem.com	China	18223	58
Hangzhou FandaChem Co.,Ltd.	008657128800458; +8615858145714	fandachem@gmail.com	China	9341	55
career henan chemical co	+86-0371-86658258	sales@coreychem.com	China	29914	58
Hubei xin bonus chemical co. LTD	86-13657291602	linda@hubeijusheng.com	CHINA	22968	58
Chongqing Chemdad Co., Ltd	+86-023-61398051 +8613650506873	sales@chemdad.com	China	39916	58
Antai Fine Chemical Technology Co.,Limited	18503026267	info@antaichem.com	CHINA	9641	58
SIMAGCHEM CORP	+86-13806087780	sale@simagchem.com	China	17367	58
Shaanxi Dideu Medichem Co. Ltd	+86-029-89586680 +86-18192503167	1026@dideu.com	China	9126	58
Finetech Industry Limited	+86-27-87465837 +8618971612321	info@finetechnology-ind.com	China	9634	58
Dayang Chem (Hangzhou) Co.,Ltd.	571-88938639 +8617705817739	info@dycnchem.com	CHINA	52867	58

Supplier	Advantage
Henan Fengda Chemical Co., Ltd	58
Hangzhou FandaChem Co.,Ltd.	55
career henan chemical co	58
Hubei xin bonus chemical co. LTD	58
Chongqing Chemdad Co., Ltd	58
Antai Fine Chemical Technology Co.,Limited	58
SIMAGCHEM CORP	58
Shaanxi Dideu Medichem Co. Ltd	58
Finetech Industry Limited	58
Dayang Chem (Hangzhou) Co.,Ltd.	58

View Lastest Price from 1-Bromobenzocyclobutene manufacturers

Image	Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
	2023-12-29	1-Bromobenzocyclobutene 21120-91-2	US $101.00-1.00 / KG	1KG	99%	g-kg-tons, free sample is available	Henan Fengda Chemical Co., Ltd
	2019-07-06	1-Bromobenzocyclobutene 21120-91-2	US $7.00 / kg	1kg	99%	100kg	Career Henan Chemical Co

1-Bromobenzocyclobutene
21120-91-2
US $101.00-1.00 / KG
99%
Henan Fengda Chemical Co., Ltd

1-Bromobenzocyclobutene
21120-91-2
US $7.00 / kg
99%
Career Henan Chemical Co

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1-BROMOBENZOCYCLOBUTENE 1-BroMobenzocyclobutene 7-BroMobicyclo[4.2.0]octa-1,3,5,7-tetraene 1-BrBCB 1-Bromobenzocyclobutene 1-Bromobenzocyclobutene 95% Bicyclo[4.2.0]octa-1,3,5-triene, 7-bromo- 1-Bromobenzocyclobutene ISO 9001：2015 REACH 1-bromo-1,2-dihydrobenzocyclobutene 7-bromobicyclo[4.2.0]octa-1(6),2,4-triene 21120-91-2 Alkenyl Building Blocks Halogenated Hydrocarbons Organic Building Blocks Aluminium foil bag/Fluoride bottle or on your request API intermediates Alkenyl Halogenated Hydrocarbons Organic Building Blocks