680-54-6

Basic information

• Product Name: 1,1,2,3,3,4,4-HEPTAFLUORO-1-BUTENE
• Synonyms: 1H-PERFLUORO-BUT-1-ENE;1,1,2,3,3,4,4-HEPTAFLUORO-1-BUTENE;1,1,2,3,3,4,4-HEPTAFLUOROBUT-1-ENE
• CAS NO: 680-54-6
• Molecular Formula: C₄HF₇
• Molecular Weight: 182.04
• Mol File: 680-54-6.mol
• Article Data: 2

Chemical Properties

• Boiling Point: 21°C
• Appearance: /
• Density: 1.44g/cm³
• Vapor Pressure: 845mmHg at 25°C
• Refractive Index: 1.269
• CAS DataBase Reference: 1,1,2,3,3,4,4-HEPTAFLUORO-1-BUTENE(CAS DataBase Reference)
• NIST Chemistry Reference: 1,1,2,3,3,4,4-HEPTAFLUORO-1-BUTENE(680-54-6)
• EPA Substance Registry System: 1,1,2,3,3,4,4-HEPTAFLUORO-1-BUTENE(680-54-6)

Safety Data

• Hazard Codes: Xi
• Statements: 20
• Safety Statements: 23-38
• RIDADR: 3163
• HazardClass: GAS
• Hazardous Substances Data: 680-54-6(Hazardous Substances Data)

Usage

General Description

1,1,2,3,3,4,4-Heptafluoro-1-butene is a chemical compound with the molecular formula C4F7H. It is a fluorocarbon compound that is used in various industrial applications, including as a refrigerant, propellant, and solvent. This colorless gas is highly stable and non-flammable, making it a suitable replacement for ozone-depleting substances in many applications. Additionally, 1,1,2,3,3,4,4-Heptafluoro-1-butene has a low global warming potential, making it an environmentally friendly alternative in certain applications. However, it is important to handle this compound with care, as excessive exposure can cause irritation to the eyes, skin, and respiratory system.

InChI:InChI=1/C4HF7/c5-1(2(6)7)4(10,11)3(8)9/h3H

Upstream product

• 335-48-8 1,4-dibromo-1,1,2,2,3,3,4,4-octafluoro-butane 
• 678-13-7 1,2-dichloro-1,1,2,3,3,4,4-heptafluoro-4-iodo-butane 
• 375-50-8 1,1,2,2,3,3,4,4-octafluoro-1,4-diiodobutane 

Relevant articles and documents

PRODUCTION METHOD OF PERFLUOROALKADIENE COMPOUND

PROBLEM TO BE SOLVED: To provide a method capable of obtaining a perfluoroalkandiene compound in a high yield while reducing the generation amount of impurities which are difficult to separate. SOLUTION: The production method is a method for producing a perfluoroalkandiene compound represented by the general formula (1): CF2=CF-(CF2)n-4-CF=CF2 (1) [in the formula, n represents an integer of 4 to 20.] and comprises a reaction step of reacting a compound represented by the general formula (2): CF2X1-CFX2-(CF2)n-4-CF2-CF2X3 (2) [in the formula, n is the same as defined above; X1, X2 and X3 are the same or different, X1 and X2 represent a halogen atom, and X3 represents a chlorine atom, a bromine atom or an iodine atom, provided that both X1 and X2 are not fluorine atoms] in the presence of a nitrogen-containing compound and zinc or a zinc alloy in an organic solvent in which the reaction step includes a mixing step of sequentially mixing a solution including zinc or a zinc alloy and an organic solvent, a nitrogen-containing compound and the compound represented by the general formula (2). SELECTED DRAWING: None COPYRIGHT: (C)2021,JPOandINPIT