2,4-Dichloro-3-methylbenzoic acid

Basic Information

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CAS Number

83277-23-0

Molecular Formula

C8H6Cl2O2

Molecular Weight

205.04 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Fine Chemicals Dyes and Pigments Organic Dyes

Agricultural Chemicals Pesticides Herbicides

Basic Physical Properties

Density

1.442±0.06 g/cm3 (20 ºC 760 Torr),

SMILES

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Cc1c(Cl)ccc(C(=O)O)c1Cl

InChI

InChI=1S/C8H6Cl2O2/c1-4-6(9)3-2-5(7(4)10)8(11)12/h2-3H,1H3,(H,11,12)

InChIKey

KYAATGSGTLPBHN-UHFFFAOYSA-N

LogP

3.000020000000001

Topological Polar Surface Area

37.3 Å²

Hydrogen Bond Donor/Acceptor

1 / 2

Synonyms & References

English

2,4-Dichloro-3-methylbenzoic acid
2,4-Dichloro-m-toluic acid

MDL Number

MFCD16659660

FAQ

What are the physical and chemical properties of 2,4-Dichloro-3-methylbenzoic acid (CAS: 83277-23-0)?

2,4-Dichloro-3-methylbenzoic acid is a crystalline solid with a molecular weight of approximately 216.03 g/mol. It has a melting point of 132-133°C and a solubility of about 0.3 g/L in water at 20°C. It is relatively stable in dry form but can react with strong bases, producing potentially harmful chlorinated compounds.

How is 2,4-Dichloro-3-methylbenzoic acid (CAS: 83277-23-0) typically synthesized?

2,4-Dichloro-3-methylbenzoic acid is typically synthesized through the halogenation of 3-methylbenzoic acid with chlorine gas. The reaction is carried out under anhydrous conditions to improve selectivity and yield. Catalysts such as iron(III) chloride or aluminum chloride are often used to facilitate the reaction.

What industries use 2,4-Dichloro-3-methylbenzoic acid (CAS: 83277-23-0)?

2,4-Dichloro-3-methylbenzoic acid is commonly used in the pharmaceutical industry as an intermediate in the synthesis of various drugs. It is also utilized in the production of dyes, pigments, and other organic compounds. Additionally, it plays a role in the development of materials used in sensors and semiconductors.

What precautions should be taken when handling 2,4-Dichloro-3-methylbenzoic acid (CAS: 83277-23-0)?

When handling 2,4-Dichloro-3-methylbenzoic acid, it is crucial to wear appropriate personal protective equipment (PPE) such as gloves, goggles, and a lab coat. Work in a well-ventilated area or a fume hood to minimize inhalation risks. Spills should be handled with care, using appropriate absorbents, and cleaned up under a fume hood. Always refer to the Safety Data Sheet (SDS) for detailed safety information.