360-89-4

Basic information

• Product Name: OCTAFLUORO-2-BUTENE
• Synonyms: (2E)-1,1,1,2,3,4,4,4-Octafluoro-2-butene;1,1,1,2,3,4,4,4-octafluoro-2-buten;2-Butene, 1,1,1,2,3,4,4,4-octafluoro-;2-Butene, octafluoro-;FC-1318;NA 2422;octafluoro-2-buten;Octafluorobutene-2
• CAS NO: 360-89-4
• Molecular Formula: C₄F₈
• Molecular Weight: 200.03
• EINECS: 206-640-9
• Mol File: 360-89-4.mol
• Article Data: 8

Chemical Properties

• Melting Point: -136°C
• Boiling Point: 1,2°C
• Flash Point: °C
• Appearance: /
• Density: 1.5297
• Vapor Pressure: 1360mmHg at 25°C
• Refractive Index: 1.2480 (estimate)
• CAS DataBase Reference: OCTAFLUORO-2-BUTENE(CAS DataBase Reference)
• NIST Chemistry Reference: OCTAFLUORO-2-BUTENE(360-89-4)
• EPA Substance Registry System: OCTAFLUORO-2-BUTENE(360-89-4)

Safety Data

• Hazard Codes: Xi
• Safety Statements: 23-38
• RIDADR: 2422
• TSCA: T
• HazardClass: 2.2
• Hazardous Substances Data: 360-89-4(Hazardous Substances Data)

Usage

General Description

A colorless, nonflammable gas. May asphyxiate by the displacement of air. Under prolonged exposure to fire or heat the containers may rupture violently and rocket. Used to make other chemicals.

Reactivity Profile

OCTAFLUORO-2-BUTENE may be incompatible with strong oxidizing and reducing agents. Also may be incompatible with many amines, nitrides, azo/diazo compounds, alkali metals, and epoxides.

Health Hazard

Vapors may cause dizziness or asphyxiation without warning. Vapors from liquefied gas are initially heavier than air and spread along ground. Contact with gas or liquefied gas may cause burns, severe injury and/or frostbite. Fire may produce irritating, corrosive and/or toxic gases.

Fire Hazard

Some may burn but none ignite readily. Containers may explode when heated. Ruptured cylinders may rocket.

Safety Profile

Mildly toxic by inhalation.Mutation data reported. When heated to decomposition itemits toxic fumes of Fí.

InChI:InChI=1/C4F8/c5-1(3(7,8)9)2(6)4(10,11)12

Upstream product

• 116-14-3 polytetrafluoroethylene 
• 1516-64-9 (E)-perfluoro-2-butene 
• 379-16-8 perfluoro(methylcyclopropane) 
• 116-15-4 perfluoropropylene 
• 423-39-2 1-iodo-2,2,3,3,4,4,5,5,5-nonafluorobutane 
• 63011-82-5 {1,2-difluoro-1,2-bis(trifluoromethyl)-1,2-ethanediyl}bis(pentafluorosulfur(VI)) 
• 79-38-9 Chlorotrifluoroethylene 
• 7440-44-0 pyrographite 
• 87-68-3 Hexachlorobutadiene 
• 31702-89-3 1-nitrosotetrafluoroethanesulfonyl fluoride 
• 7726-95-6 bromine 
• 354-64-3 Pentafluoroethyl iodide 
• 354-89-2 (pentafluoro ethyl) trifluoro silane 
• 93830-84-3 perfluoro-3,4-dimethyl-3,4-epoxyhexane 

Downstream Products

• 355-20-4 2,3-dichloro-1,1,1,2,3,4,4,4-octa-fluorobutane 
• 375-26-8 2,3-dibromo-octafluorobutane 
• 1450-14-2 1,1,1,2,2,2-hexamethyldisilane 
• 420-56-4 trimethylsilyl fluoride 
• 74898-36-5 trans-2,3,3,3-tetrafluoro-1-trifluoromethylprop-1-enyltrimethylsilane 
• 692-50-2 hexafluoro-2-butyne 
• 2154-59-8 difluoro-methylene 
• 116-15-4 perfluoropropylene 
• 355-25-9 perfluorobutane 
• 307-34-6 Perfluorooctane 
• 927-84-4 bis(trifluoromethyl)peroxide 
• 67282-99-9 perfluoro(3,4-dimethyl-2,5-dioxa-hexane) 
• 353-50-4 Carbonyl fluoride 
• 354-34-7 trifluoroacetyl fluoride 

Relevant articles and documents

METHOD FOR PRODUCING FLUOROOLEFIN COMPOUND

To provide a method for producing a fluoroolefin compound having four or more carbon atoms, in an industrially inexpensive manner, with a high conversion rate and high selectivity.SOLUTION: The present invention provides a method for producing a fluoroolefin compound having four or more carbon atoms, the method having a step of subjecting a halogenated fluoroolefin compound having two or more carbon atoms to dimerization, in the presence of an alkali metal fluoride, to obtain the fluoroolefin compound.SELECTED DRAWING: None

Addition of some unreactive fluoroalkanes to tetrafluoroethylene.: Direct catalytic synthesis of F-butene-2

Condensation of trifluoromethanes, CF3X (X=H, Cl, Br, I), with tetrafluorethylene to form the corresponding F-n-propyl adducts have been carried out with aluminum chlorofluoride as catalyst. Yields of C3F7I and C3F7Br are especially good, making these useful perfluoropropyl intermediates readily available. Details of the reactions, especially the presence of low percentages of perfluoroisopropyl iodide and bromide in the products, are accounted for by proposed mechanisms involving halonium intermediates. Longer-chain primary iodides can also be added to tetrafluoroethylene, but the final products are predominantly fluoroolefins, with pentafluoroethyl iodide as a byproduct. In the case of the addition of C2F5I to tetrafluoroethylene, conditions for an efficient, low temperature dimerization of terafluoroethylene to F-butene-2 catalyzed by a combination of C2F5I/aluminum chlorofluoride have been defined. Evidence for an unusual transfer of I+ from the iodonium derivative of F-butene-2 to tetrafluoroethylene is presented.

Electrophilic reactions of fluorocarbons under the action of aluminum chlorofluoride, a potent Lewis acid

A new Lewis acid - aluminum chlorofluoride - was demonstrated to be an effective catalyst for the isomerisation of fluoroolefins, polyfluorinated epoxides and cyclopropanes.At ambient temperature this catalyst converts perfluorobutadiene-1,3 into perfluorobutyne-2 and perfluoro(4-methylpentene-2) into perfluoro(2-methylpentene-2) in nearly quantitative yield.At 100 deg C, aluminum chlorofluoride causes the cleavage of perfluorinated tertiary amines. - Keywords: Electrophilic reactions; Fluorocarbons; Aluminum chlorofluoride; Lewis acid; NMR spectroscopy