86884-16-4

Basic information

• Product Name: 1,1,1,2,4,4,4-HEPTAFLUOROBUTANE
• Synonyms: 1,1,1,2,4,4,4-HEPTAFLUOROBUTANE
• CAS NO: 86884-16-4
• Molecular Formula: C4H3F7
• Molecular Weight: 184.06
• Mol File: 86884-16-4.mol
• Article Data: 5

Chemical Properties

• Boiling Point: 27.5 °C
• Appearance: /
• Density: 1.382g/cm³
• Vapor Pressure: 703mmHg at 25°C
• Refractive Index: 1.257
• CAS DataBase Reference: 1,1,1,2,4,4,4-HEPTAFLUOROBUTANE(CAS DataBase Reference)
• NIST Chemistry Reference: 1,1,1,2,4,4,4-HEPTAFLUOROBUTANE(86884-16-4)
• EPA Substance Registry System: 1,1,1,2,4,4,4-HEPTAFLUOROBUTANE(86884-16-4)

Safety Data

• Hazard Codes: Xi
• Statements: 36/37/38
• Safety Statements: 26-36/37/39
• Hazardous Substances Data: 86884-16-4(Hazardous Substances Data)

Usage

General Description

1,1,1,2,4,4,4-Heptafluorobutane is a colorless, nonflammable, and non-toxic chemical compound primarily used as a propellant in aerosol products like air dusters and deodorants, as well as a refrigerant. It is a fluorocarbon with the formula C4F7H, and is also known by the trade name HFC-227ea. It has a high heat capacity and is commonly used in fire suppression systems due to its ability to quickly extinguish flames and prevent re-ignition. However, it is also a potent greenhouse gas with a high global warming potential, and is subject to regulation and phase-out in some countries due to environmental concerns.

InChI:InChI=1/C4H3F7/c5-2(4(9,10)11)1-3(6,7)8/h2H,1H2

Upstream product

• 106-97-8 n-butane 
• 86884-17-5 1,1,1,4,4,4-hexafluoro-2-butanol 
• 86884-21-1 rac-4,4,4-trifluoro-3-hydroxybutanoic acid 
• 617-48-1 malic acid 
• 760-42-9 1,1,1,2,4,4,4-heptafluoro-2-butene 

Relevant articles and documents

Method for preparing E-1, 1, 1, 4, 4, 4-hexafluoro-2-butene by gas phase fluorination

The invention discloses a method for preparing E-1, 1, 1, 4, 4, 4-hexafluoro-2-butene by gas-phase fluorination. The method comprises the following steps: in the presence of a fluorination catalyst, carrying out fluorination reaction on tetrafluorobutane or tetrachlorobutane and hydrogen fluoride to obtain the E-1, 1, 1, 4, 4, 4-hexafluoro-2-butene. The method is mainly used for efficiently and continuously producing E-1, 1, 1, 4, 4, 4-hexafluoro-2-butene in a circulating manner.

THE FLUORINATION OF BUTANE OVER COBALT TRIFLUORIDE

The fluorination of butane over cobalt trifluoride has given a complex mixture of partially fluorinated compounds: 51 of these have been identified, comprising over 99percent of the products.Most were polyfluor-butanes but 1-2percent were polyfluoro-2-methylpropanes.The reaction has no synthetic utility.There was some selectivity in the fluorination: secondary C-H was convertart byed into C-F more easily then primary, and the ease of replacement of a particular H was reduced by geminal vicinal fluorines.A computer model of the fluorination was only partially successful, perhaps because the fluorination proceeded in part by simple F for H replacement and in part via alkenes: the model only allowed for the former.

Reaction of aliphatic α-hydroxy carboxylic acids with sulfur tetrafluoride

Trifluoroalkyl fluorosulfites are mostly formed during the reaction of glycolic, d,l-lactic, and d,l-malic acids with sulfur tetrafluoride.Hydrolysis of the products gave the corresponding trifluoromethylcarbinols.