ChemicalBook > CAS DataBase List > 4-Bromo-1,2-(methylenedioxy)benzene

4-Bromo-1,2-(methylenedioxy)benzene

Product Name
4-Bromo-1,2-(methylenedioxy)benzene
CAS No.
2635-13-4
Chemical Name
4-Bromo-1,2-(methylenedioxy)benzene
Synonyms
5-bromobenzo[d][1,3]dioxole;5-BROMO-1,3-BENZODIOXOLE;1,2-METHYLENEDIOXY-4-BROMOBENZENE;1-BROMO-3,4-(METHYLENEDIOXY)BENZENE;enedioxy)benzene;BROMOBENZODIOXOLE;TIMTEC-BB SBB006662;4-Bromo-1,2-(methyL;4-Bromo pepper ring;Paroxetine Impurity 89
CBNumber
CB5398696
Molecular Formula
C7H5BrO2
Formula Weight
201.02
MOL File
2635-13-4.mol
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4-Bromo-1,2-(methylenedioxy)benzene Property

Boiling point:
85-86 °C1 mm Hg(lit.)
Density 
1.669 g/mL at 25 °C(lit.)
refractive index 
n20/D 1.583(lit.)
Flash point:
>230 °F
storage temp. 
Inert atmosphere,Room Temperature
solubility 
Chloroform, Methanol (Sparingly)
form 
Liquid
Specific Gravity
1.669
color 
Clear yellow-orange
BRN 
127407
Stability:
Light Sensitive
InChI
InChI=1S/C7H5BrO2/c8-5-1-2-6-7(3-5)10-4-9-6/h1-3H,4H2
InChIKey
FBOYMIDCHINJKC-UHFFFAOYSA-N
SMILES
O1C2=CC=C(Br)C=C2OC1
CAS DataBase Reference
2635-13-4(CAS DataBase Reference)
NIST Chemistry Reference
4-Bromo-1,2-(methylenedioxy)benzene(2635-13-4)
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Safety

Hazard Codes 
Xi
Risk Statements 
36/37/38
Safety Statements 
26-36-37/39
WGK Germany 
3
Hazard Note 
Irritant
HS Code 
29329990
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P271Use only outdoors or in a well-ventilated area.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
288314
Product name
1-Bromo-3,4-(methylenedioxy)benzene
Purity
97%
Packaging
100g
Price
$67.6
Updated
2024/03/01
Sigma-Aldrich
Product number
288314
Product name
1-Bromo-3,4-(methylenedioxy)benzene
Purity
97%
Packaging
25g
Price
$111
Updated
2024/03/01
TCI Chemical
Product number
B1230
Product name
4-Bromo-1,2-methylenedioxybenzene
Purity
>98.0%(GC)
Packaging
5g
Price
$36
Updated
2024/03/01
TCI Chemical
Product number
B1230
Product name
4-Bromo-1,2-methylenedioxybenzene
Purity
>98.0%(GC)
Packaging
25g
Price
$94
Updated
2024/03/01
Alfa Aesar
Product number
A17906
Product name
4-Bromo-1,2-(methylenedioxy)benzene, 98%
Packaging
5g
Price
$29.65
Updated
2024/03/01
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4-Bromo-1,2-(methylenedioxy)benzene Chemical Properties,Usage,Production

Chemical Properties

clear yellow-orange liquid

Synthesis Reference(s)

Tetrahedron, 64, p. 4999, 2008 DOI: 10.1016/j.tet.2008.03.085

General Description

The coupling of 1-bromo-3,4-(methylenedioxy)benzene with β-methallyl alcohol was catalyzed by Pd(OAc)2 in combination with P(t-Bu)3.

Synthesis

NBS (1.87 g, 10.50 mmol, 1.05 equiv.), HPLC-grade acetonitrile and benzo[d][1,3]dioxole (10 mmol) were placed into a flask and stirred until completely homogeneous. The solution was pumped through the Corning G1 photoreactor at the desired flow rate. The reaction mixture was collected from the reactor and combined with the two separate streams of toluene and water into a 10-mL Vapourtec static mixer coil; then, the mixture was pumped into a Zaiput liquid-liquid membrane separator, the organic phase was collected and passed twice more through the Zaiput membrane separator. The organic phase was evaporated under reduced pressure, providing the corresponding brominated product 4-Bromo-1,2-(methylenedioxy)benzene.

4-Bromo-1,2-(methylenedioxy)benzene Preparation Products And Raw materials

Raw materials

Preparation Products

3,4-METHYLENEDIOXYPHENYLBORONIC ACID
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4-Bromo-1,2-(methylenedioxy)benzene Suppliers

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View Lastest Price from 4-Bromo-1,2-(methylenedioxy)benzene manufacturers

Hebei Weibang Biotechnology Co., Ltd
Product
4-Bromo-1,2-(methylenedioxy)benzene 2635-13-4
Price
US $1.00/PCS
Min. Order
1KG
Purity
99%
Supply Ability
10 mt
Release date
2021-06-15
Hebei Mojin Biotechnology Co., Ltd
Product
4-Bromo-1,2-(methylenedioxy)benzene 2635-13-4
Price
US $500.00/g
Min. Order
100g
Purity
99%
Supply Ability
200ton
Release date
2023-08-30
Hebei Best Biological Technology Co., Ltd
Product
5-Bromo-1,3-benzodioxole 2635-13-4
Price
US $200.00/g
Min. Order
10g
Purity
99%
Supply Ability
1000t/month
Release date
2022-11-30

2635-13-4, 4-Bromo-1,2-(methylenedioxy)benzeneRelated Search:

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