38568-21-7

Basic information

• Product Name: 2,2-DIBROMOHEXAFLUOROPROPANE
• Synonyms: 2,2-DIBROMOHEXAFLUOROPROPANE;1,1,1,3,3,3-Hexafluoro-2,2-dibromopropane;2,2-Dibromo-1,1,1,3,3,3-hexafluoropropane;Hexafluoroisopropylidene dibromide
• CAS NO: 38568-21-7
• Molecular Formula: C₃Br₂F₆
• Molecular Weight: 309.83
• Mol File: 38568-21-7.mol
• Article Data: 8

Chemical Properties

• Melting Point: 52-53°C
• Boiling Point: 72
• Flash Point: °C
• Appearance: /
• Density: 2.257g/cm³
• Vapor Pressure: 118mmHg at 25°C
• Refractive Index: 1.386
• CAS DataBase Reference: 2,2-DIBROMOHEXAFLUOROPROPANE(CAS DataBase Reference)
• NIST Chemistry Reference: 2,2-DIBROMOHEXAFLUOROPROPANE(38568-21-7)
• EPA Substance Registry System: 2,2-DIBROMOHEXAFLUOROPROPANE(38568-21-7)

Safety Data

• Hazard Codes: Xi
• Statements: 36/37/38
• Safety Statements: 26-36
• Hazardous Substances Data: 38568-21-7(Hazardous Substances Data)

Usage

General Description

2,2-Dibromoheptafluoropropane is a colorless liquid compound with the chemical formula C3Br2F6. It is a highly reactive chemical that is primarily used as a fire extinguishing agent due to its ability to rapidly suppress fires. 2,2-DIBROMOHEXAFLUOROPROPANE is also used as a solvent and in the manufacturing of various products. However, it is considered harmful if inhaled, causes skin irritation, and is toxic to aquatic life. It is important to handle this chemical with caution and to adhere to safety protocols when working with it.

InChI:InChI=1/C3Br2F6/c4-1(5,2(6,7)8)3(9,10)11

Upstream product

• 3024-50-8 3,3-bis(trifluoromethyl)diazirine 
• 431-49-2 2-bromo-1,1,3,3,3-pentafluoropropene 
• 661-95-0 1,2-dibromohexafluoropropane 

Downstream Products

• 431-66-3 2-iodo-1,1,3,3,3-pentafluoropropene 
• 431-49-2 2-bromo-1,1,3,3,3-pentafluoropropene 
• 171775-51-2 Methyl 5-β,β-difluoro-α-(trifluoromethyl)vinylacetylsalicylate 
• 13222-45-2 1,1,1,5,5,5-hexafluoro-2,4-bis-trifluoromethyl-penta-2,3-diene 
• 754-43-8 2-bromo-1,1,1,3,3,3-hexafluoro-2-trifluoromethyl-propane 
• 1979-51-7 1,1,3,3,3-pentafluoro-2-phenylpropene 

Relevant articles and documents

Convenient Preparation and Functionalization of 2-Metallated Pentafluoropropenes

The title compounds are prepared by metallation of CF3CH=CF2 with LDA or t-BuLi or by metallation of CF3CBr2CF3 with 2 equivalents of zinc.CF3C(ZnX)=CF2 undergoes halogenation, oxidative dimerization, allylation and acylation reactions. Key Words: vinyl organofluorine zinc reagent; organolithium; zinc; oxidative coupling; halogenation

Nb-doped variants of high surface aluminium fluoride: A very strong bi-acidic solid catalyst

A niobium doped high surface aluminium fluoride (HS-AlF3) catalyst was prepared, using an approach in which niobium doped aluminium hydroxide fluoride obtained via reaction of aqueous HF with the respective metal alkoxides in isopropanol is further fluorinated under flow of CHClF2 at 200 °C. A comparable procedure was used to synthesize a Nb-free variant for comparison. Both catalysts exhibit very strong Lewis acidic surface sites which are capable to activate strong carbon-halogen bonds at room temperature, just as the classical high-surface AlF3 (HS-AlF3), obtained by reacting aluminium isopropoxide with anhydrous HF, does. The catalysts were characterized by elemental analysis, P-XRD, MAS NMR spectroscopy, N2 adsorption, NH3-TPD, and pyridine photoacoustic FT-IR spectroscopy. In contrast to previously reported niobium doped HS-AlF3, which was prepared using anhydrous HF, the doped catalyst obtained via this aqueous HF-route shows excellent performance both in the isomerization of 1,2-dibromohexafluoropropane, a reaction that occurs only in the presence of the strongest Lewis acids, and in the cyclization of citronellal to isopulegol, a reaction which requires both, Lewis and Br?nsted acid sites.

PREPARATION OF HALOGEN AND HYDROGEN CONTAINING ALKENES OVER METAL FLUORIDE CATALYSTS

Halogenated alkenes, especially fluorinated alkenes can be prepared from halogenated and fluorinated alkanes, respectively, by dehydrohalogenation or dehydrofluorination in the presence of a high-surface metal fluoride or oxifluoride. Preferably, trifluoroethylene, pentafluoropropene, tetrafluorobutenes or trifluorobutadiene are prepared. Aluminium fluoride is highly suitable. The metal fluoride or oxifluoride can be applied supported on a carrier.