3-Bromo-3,3-difluoropropene

Base Information

• Chemical Name: 3-Bromo-3,3-difluoropropene
• CAS No.: 420-90-6
• Molecular Formula: C3H3BrF2
• Molecular Weight: 156.958
• Hs Code.: 2903793090
• Mol file: 420-90-6.mol

Synonyms:Propene,3-bromo-3,3-difluoro- (6CI,7CI,8CI);1,1-Difluoroallyl bromide;3-Bromo-3,3-difluoro-1-propene;

Chemical Property of 3-Bromo-3,3-difluoropropene

Chemical Property:

• Vapor Pressure: 411mmHg at 25°C
• Melting Point: 53-54 °C
• Refractive Index: 1.377
• Boiling Point: 41.999 °C at 760 mmHg
• Flash Point: -4.642 °C
• PSA: 0.00000
• Density: 1.614 g/cm³
• LogP: 2.16010
• Storage Temp.: Keep Cold

Purity/Quality:

98%, ^*data from raw suppliers

3-Bromo-3,3-difluoropropene ^*data from reagent suppliers

Safty Information:

• Pictogram(s): Xi
• Hazard Codes: Xi
• Statements: 36/37/38
• Safety Statements: 26-36/37/39

MSDS Files:

Useful:

Technology Process of 3-Bromo-3,3-difluoropropene

There total 5 articles about 3-Bromo-3,3-difluoropropene 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:

1,1-difluoro-1,3-dibromopropane (460-25-3) → 3-bromo-3,3-difluropropene (420-90-6) + 1,1-difluoro-3-bromo-1-propene (60917-29-5)

Guidance literature:

With potassium hydroxide; at 115 - 130 ℃; Yield given. Yields of byproduct given. Title compound not separated from byproducts;

DOI:10.1021/jo01299a055

Reference yield:

1,1-difluoro-1,3-dibromopropane (460-25-3) → 3-bromo-3,3-difluropropene (420-90-6)

Guidance literature:

With potassium hydroxide;

DOI:10.1021/ja01615a033

Reference yield:

1,1-difluoro-1,3-dibromopropane (460-25-3) → 3-bromo-3,3-difluropropene (420-90-6)

Guidance literature:

at 80 ℃;

DOI:10.1021/ja01575a041

upstream raw materials:

1,1-difluoro-1,3-dibromopropane

ethene

dibromodifluoromethane

Downstream raw materials:

1-hepten-3-ol

4,4-Difluoro-hexa-1,5-dien-3-ol

1-(p-bromophenyl)-2,2-difluorobut-3-en-1-ol

2-bromo-4-chloro-1-(1,1-difluoroallyloxy)benzene

Refernces

• 1、 -. "Method of synthesizing fluorinated diene alcohols". Page/Page column 3. . Retrieved 2010/11/27.
• 2、 Seyferth, Dietmar,Simon, Robert M.,Sepelak, Dennis J.,Klein, Helmut A.. "gem-Difluoroallyllithium: Improved Synthesis Brings Improved Applicability". . p. 2273 - 2274. Retrieved 2007/10/02.