2,4,5,6-Tetrafluoroisophthalic acid

Basic Information

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CAS Number

1551-39-9

Molecular Formula

C8H2F4O4

Molecular Weight

238.09 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Fine Chemicals Dyes and Pigments Organic Dyes

Fine Chemicals Specialty Chemicals UV Stabilizers

Agricultural Chemicals Pesticides Herbicides

Basic Physical Properties

Melting Point

208.0 to 214.0 deg-C

SMILES

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C1(=C(C(=C(C(=C1F)F)F)C(=O)O)F)C(=O)O

InChI

InChI=1S/C8H2F4O4/c9-3-1(7(13)14)4(10)6(12)5(11)2(3)8(15)16/h(H,13,14)(H,15,16)

InChIKey

PGRIMKUYGUHAKH-UHFFFAOYSA-N

LogP

1.6394000000000002

Topological Polar Surface Area

74.6 Å²

Hydrogen Bond Donor/Acceptor

2 / 4

Complexity

282

Safety Information

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Hazard Statement

H315 Causes skin irritation
Skin corrosion/irritation

H319 Causes serious eye irritation
Serious eye damage/eye irritation

Hazard Class

Class 6.1(b) Class 6.1(b)

Synonyms & References

English

Tetrafluoroisophthalic acid
Tetrafluoroisophthalic Acid, >/=98%
NSC-168733
2,4,5,6-tetrafluorobenzene-1,3-dicarboxylic acid
DTXSID00304994
T71846
TETRAFLUOROISOPHTHALICACID
NSC168733
AKOS005171600
2,4,5,6-Tetrafluoroisophthalic acid
Perfluoroisophthalic acid
FT-0633657
2,4,5,6-Tetrafluoroisophthalic acid #
SCHEMBL336420
Tetrafluoroisophthalic acid, 96%
PS-10066
2,4,5,6-Tetrafluoroisophthalicacid
MFCD00042379
BB 0260151
AC-7500
1551-39-9
T1374
PGRIMKUYGUHAKH-UHFFFAOYSA-N
tetrafluoroisophthalic
rarechem al bo 0259
tetrafluoroisophthalicacid98%
tetrafluoroisophthalic acid 98%
Tetrafluoroisophthalic acid, 98%
NSC16873

MDL Number

MFCD00042379

Customs Code

2917399090

FAQ

What are the physical and chemical properties of 2,4,5,6-Tetrafluoroisophthalic acid (CAS: 1551-39-9)?

2,4,5,6-Tetrafluoroisophthalic acid is a white crystalline solid with a high melting point. Its molecular weight is approximately 262.06 g/mol. It is sparingly soluble in water but soluble in common organic solvents. Chemically, it shows moderate stability with respect to hydrolysis and is reactive towards amines, forming amides. It is also known for its strong acidity, which allows it to react with bases to form salts.

How is 2,4,5,6-Tetrafluoroisophthalic acid (CAS: 1551-39-9) typically synthesized?

2,4,5,6-Tetrafluoroisophthalic acid is typically synthesized by the fluorination of isophthalic acid. This process often involves the use of Lewis acids as catalysts, such as aluminum chloride or boron trifluoride. The reaction is carried out in an inert solvent like dichloromethane at low temperatures. The yield can be high, and the product is isolated by crystallization from the reaction mixture.

What industries use 2,4,5,6-Tetrafluoroisophthalic acid (CAS: 1551-39-9)?

2,4,5,6-Tetrafluoroisophthalic acid is used in various industries. In pharmaceuticals, it serves as a precursor for the synthesis of fluorinated drugs. In polymers, it is used to manufacture high-performance polyesters and other fluorinated polymers. It also finds applications in the sensor and semiconductor industries, particularly in the fabrication of fluorinated materials with unique electronic properties.

What precautions should be taken when handling 2,4,5,6-Tetrafluoroisophthalic acid (CAS: 1551-39-9)?

When handling 2,4,5,6-Tetrafluoroisophthalic acid, appropriate personal protective equipment (PPE) should be worn, including gloves, safety goggles, and a laboratory coat. The substance should be handled in a well-ventilated area or a fume hood to avoid inhalation of dust or fumes. Spills should be carefully cleaned up using appropriate methods, and the area should be thoroughly ventilated. Safety data sheets (SDS) should be consulted for detailed emergency response information and storage conditions.