Tetrafluoroisophthalic acid

CAS 1551-39-9C6F4-1Polymer Science

Tetrafluoroisophthalic acid (CAS: 1551-39-9), with the molecular formula C6F4-1,3-(CO2H)2 and a molecular weight of 238.09, is a difunctional aromatic carboxylic acid. It serves as a valuable monomer in the synthesis of advanced polymers and speciality materials, particularly where enhanced thermal stability and chemical resistance are desired. Its fluorinated structure imparts unique properties to resulting polymers.

Synonyms: 3,5-Difluoroterephthalic acid1,3-Benzenedicarboxylic acid, 5-fluoro-

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Tetrafluoroisophthalic acid (C6F4-1) — chemical structure, CAS 1551-39-9; Materials Science, fine chemical supplied by Tech Serve Solutions

Carboxylic Acid MonomersMaterials ScienceMonomersPolymer Science

01 /Applications

Polymer Synthesis

Tetrafluoroisophthalic acid is employed as a monomer in the production of high-performance polymers. It can be incorporated into polymer backbones to enhance thermal stability, chemical resistance, and dielectric properties.

Materials Science Research

This compound is utilised in materials science for the development of novel functional materials. Its unique fluorinated aromatic structure can lead to polymers with specific optical or electronic characteristics.

Organic Synthesis Intermediate

As a difunctional carboxylic acid, it can act as a versatile intermediate in various organic synthesis pathways, allowing for the construction of complex molecules.

02 /Properties

Molecular weight	238.09
Linear formula	C6F4-1,3-(CO2H)2
Assay	96%
Melting point	212-214 °C(lit.)

03 /Safety & handling

GHS hazard pictogram: Harmful / irritant (GHS07) — Harmful / irritant

Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust, fume, gas or vapours
P305IF IN EYES

Protective equipment	dust mask type N95 (US), Eyeshields, Gloves
Water hazard class (WGK, DE)	3
Hazard codes (EU)	Xi
Risk statements (R)	36/37/38
Safety statements (S)	26-37/39

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry

CAS number

1551-39-9

MDL number

MFCD00042379

PubChem substance

24860491

05 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

06 /Frequently asked questions

What is Tetrafluoroisophthalic acid used for?

Tetrafluoroisophthalic acid is primarily used as a monomer in the synthesis of advanced polymers and in materials science research for developing novel functional materials with enhanced thermal and chemical resistance.

What are the CAS number and formula for Tetrafluoroisophthalic acid?

The CAS number is 1551-39-9 and the linear formula is C6F4-1,3-(CO2H)2.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies Tetrafluoroisophthalic acid with an assay of 96%. We do not represent this product as USP, BP, or EP grade.

How should Tetrafluoroisophthalic acid be handled safely?

Handle Tetrafluoroisophthalic acid with appropriate personal protective equipment, including a dust mask (type N95 US recommended), eyeshields, and gloves. Avoid breathing dust and ensure adequate ventilation. It is classified as causing skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335).

How is Tetrafluoroisophthalic acid shipped and exported?

Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, ensuring secure and compliant packaging for international shipment.