Ethene, 2-bromo-1,1-difluoro-

Base Information

• Chemical Name: Ethene, 2-bromo-1,1-difluoro-
• CAS No.: 359-08-0
• Molecular Formula: C2HBrF2
• Molecular Weight: 142.931
• Hs Code.: 2903799090
• European Community (EC) Number: 206-624-1
• UNII: XLZ85QDC2B
• DSSTox Substance ID: DTXSID9059886
• Nikkaji Number: J193.858D
• Wikidata: Q27293900
• Mol file: 359-08-0.mol

Synonyms:2-bromo-1,1-difluoroethylene

Chemical Property of Ethene, 2-bromo-1,1-difluoro-

Chemical Property:

• Vapor Pressure: 3270mmHg at 25°C
• Melting Point: -115 °C
• Refractive Index: 1.344
• Boiling Point: 6.7 °C at 760 mmHg
• PSA: 0.00000
• Density: 1.808 g/cm³
• LogP: 2.11920
• XLogP3: 1.6
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 2
• Rotatable Bond Count: 0
• Exact Mass: 141.92297
• Heavy Atom Count: 5
• Complexity: 45.6

Purity/Quality:

98% ^*data from raw suppliers

2-Bromo-1,1-difluoroethylene 98% ^*data from reagent suppliers

Safty Information:

• Pictogram(s): F
• Hazard Codes: F
• Statements: 10
• Safety Statements: 16-23

MSDS Files:

SDS file from LookChem

Useful:

• Chemical Classes: Other Classes -> Halogenated Aliphatics, Unsaturated
• Canonical SMILES: C(=C(F)F)Br

Technology Process of Ethene, 2-bromo-1,1-difluoro-

There total 6 articles about Ethene, 2-bromo-1,1-difluoro- which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield:

1,2-dibromo-1,1-difluoroethane (75-82-1) → 2-bromo-1,1-difluoroethene (359-08-0)

Guidance literature:

With potassium hydroxide;

DOI:10.1021/jo01265a056

Reference yield:

→ 2-bromo-1,1-difluoroethene (359-08-0)

Guidance literature:

With ethanol; potassium acetate; potassium carbonate;

Reference yield:

1,1-dibromo-2,2-difluoroethylene (430-85-3) → fluoroethyne (2713-09-9) + 2-bromo-1,1-difluoroethene (359-08-0) + bromofluoroacetylene (131509-12-1)

Guidance literature:

With n-butyllithium; trimethyltin(IV)chloride; Multistep reaction; 1) -95 deg C, 2) flash vacuum pyrolysis, 800 deg C; or with alkali metals, gas phase, 300 - 550 deg C;

DOI:10.1016/S0040-4039(00)97870-5

upstream raw materials:

Bromotrichloromethane

1-Chloro-2,2-difluoroethene

1,2-dibromo-1,1-difluoroethane

Vinylidene fluoride

Downstream raw materials:

O-(1,1-Difluor-2-brom-ethyl)-benzophenonoxim

1,1,1,2,2-pentafluoroethane

1,1,1,2-tetrafluorobromoethane

cyclohexylideneacetic acid

Refernces

• 1、 Demiel,A.. "-". . p. 993 - 996. Retrieved 1960.
• 2、 Runge, Andreas,Sander, Wolfram W.. "Chlorofluoroacetylene and bromofluoroacetylene by gas phase dehalogenation of 1,1-difluoroethylenes". . p. 5453 - 5456. Retrieved 2007/10/02.