356-02-5

Basic information

• Product Name: 4,4,5,5,6,6,6-HEPTAFLUOROHEXANOIC ACID
• Synonyms: 4,4,5,5,6,6,6-HEPTAFLUOROHEXANOIC ACID;4,4,5,5,6,6,6-HEPTAFLUOROCAPROIC ACID;2H,2H,3H,3H-PERFLUOROHEXANOIC ACID;3:3 FTCA;4,4,5,5,6,6,6-Heptafluorocaproic acid, 3-(Perfluoropropyl)propanoic acid
• CAS NO: 356-02-5
• Molecular Formula: C₆H₅F₇O₂
• Molecular Weight: 242.09
• Mol File: 356-02-5.mol
• Article Data: 2

Chemical Properties

• Melting Point: 38 °C
• Boiling Point: 77-78°C/4mm
• Flash Point: 55.9 °C
• Appearance: /
• Density: 1.508 g/cm³
• Vapor Pressure: 0.79mmHg at 25°C
• Refractive Index: 1.326
• PKA: pK1:4.18 (25°C)
• CAS DataBase Reference: 4,4,5,5,6,6,6-HEPTAFLUOROHEXANOIC ACID(CAS DataBase Reference)
• NIST Chemistry Reference: 4,4,5,5,6,6,6-HEPTAFLUOROHEXANOIC ACID(356-02-5)
• EPA Substance Registry System: 4,4,5,5,6,6,6-HEPTAFLUOROHEXANOIC ACID(356-02-5)

Safety Data

• Hazard Codes: C
• Statements: 34
• Safety Statements: 26-36/37/39
• RIDADR: 3261
• HazardClass: CORROSIVE
• Hazardous Substances Data: 356-02-5(Hazardous Substances Data)

Usage

General Description

4,4,5,5,6,6,6-Heptafluorohexanoic Acid is a fluorinated chemical compound characterized by its seven fluorine atoms. Due to its fluorinated nature, it is often utilized in various commercial and industrial applications including the manufacture of performance plastics, fire-fighting foams, and electronics, as these fluorinated compounds often provide advantageous properties such as high durability and resistance to heat and chemical reactions. Additionally, due to its acid properties, it might be used in solution as a strong acid for catalytic reactions. However, being a type of perfluorinated compound, this substance has potential environmental and health concerns related to its persistence in the environment and potential bioaccumulation in living organisms. Its potential impact on both human health and environment are subjects of ongoing scientific research.

InChI:InChI=1/C6H5F7O2/c7-4(8,2-1-3(14)15)5(9,10)6(11,12)13/h1-2H2,(H,14,15)

Upstream product

• 754-34-7 1,1,1,2,2,3,3-heptafluoro-3-iodo-propane 
• 79-10-7 acrylic acid 
• 25600-64-0 4,4,5,5,6,6,6-heptafluorohexyl acetate 
• 3108-05-2 4,4,5,5,6,6,6-heptafluoro-2-iodohexyl acetate 
• 15719-64-9 methylammonium carbonate 
• 679-02-7 4,4,5,5,6,6,6,-heptafluorohexan-1-ol 
• 424-66-8 4,4,5,5,6,6,6-heptafluoro-hexanoic acid ethyl ester 

Downstream Products

• 148043-74-7 (4R)-3-(4,4,5,5,6,6,6-heptafluoro-1-oxohexyl)-4-(phenylmethyl)-2-oxazolidinone 
• 148043-79-2 (4R)-3-<(2S)-2-azido-4,4,5,5,6,6,6-heptafluoro-1-oxohexyl>-4-(phenylmethyl)-2-oxazolidinone 
• 1137672-91-3 N,N',N''-(2,4,6-triethylbenzene-1,3,5-triyl)tris(methylene)tris(4,4,5,5,6,6,6-heptafluorohexanamide) 

Relevant articles and documents

Reaction of Perfluoroalkyl Iodides with Electron-Deficient Olefins under UV Irradiation

The reaction of perfluoroalkyl iodides 1 with acrylates, acrylic acid, acrylamide, and acrylonitrile has been investigated.In the presence of a catalytic amount of palladium(0), the reaction of Rf with ethyl acrylate produces mostly polymer.Under irradiation with 254 nm UV light, perfluoroalkyl iodides react with ethyl acrylate to give high yields of the 1:1 addition products (74-88percent isolated yield, CnF(2n+1)CH2CHICO2Et) and small amounts of 1:2 adducts ( are formed when methyl acrylate reacts with short-chain perfluoroalkyl iodides , whereas the reaction of perfluorohexyl or longer chain perfluoroalkyl iodides /= 6> gives predominantly the 1:1 addition products (>85percent).The formation of the 1:2 adduct can be efficiently suppressed by using excess RfI in the reaction.The reaction of N,N-dimethylacrylamide with perfluoropropyl iodide (1a) produces exclusively the 1:1 adduct.Products from the further elimination, reduction, and decarboxylation of the 1:1 and 1:2 adducts are observed when 1a reacts with methyl methacrylate under similar conditions.The reaction of 1a with acrylonitrile produces the 1:1 and 1:2 adducts in 53percent and 74percent yields, respectively.An addition-reduction product, n-C3H7CH2CH2CO2H (68percent), is obtained in the reaction of acrylic acid with 1a.