o-Toluic acid, CAS No. 118-90-1

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118-90-1

Catalog No. EBD41359

CAS 118-90-1

Name o-Toluic acid

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Basic Information

Synonyms: o-Toluicacid 2-methyl-benzoicaci benzoicacid,2-methyl- o-toluic 2-toluicacid 2-methylbenzoicacid akosbbs-00003722 methylbenzoic(o-)acid ortho-toluicacid cadmiumbis(2-methylbenzoate) 2-methylbenzoate 2-MethylbenzoicAcid/o-Toluicacid o-toluylicacid o-methylbenzoate

Molecular Formula: C8H8O2

Molecular Weight: 136.15

MDL Number: MFCD00002477

Categories: Synthetic Chemistry > Organic Building Blocks > Carboxylic Acids and Esters Synthetic Chemistry > Basic Synthetic Reagents > Other Basic Synthetic Reagents

Product Description:

O-Toluic acid (2-methylbenzoic acid) is an aromatic carboxylic acid with the chemical formula C8H8O2. It is a white to off-white crystalline solid at room temperature. Structurally, it consists of a benzoic acid core with a methyl substituent at the ortho position relative to the carboxyl group. This compound is primarily used as a versatile organic synthesis intermediate and building block. It serves as a precursor in the production of various chemicals, including dyes, pigments, and pharmaceuticals. Its carboxyl group allows for typical carboxylic acid reactions such as esterification and amidation, while the aromatic ring and methyl group can undergo further functionalization, such as halogenation or oxidation. It is also employed in some polymer applications and as a starting material for certain agrochemicals. o-Toluic acid is generally considered stable under normal conditions but may cause skin and eye irritation. It should be handled with appropriate personal protective equipment in a well-ventilated area.

Physical Properties

Melting Point: 102-104 °C(lit.)

Boiling Point: 258-259 °C(lit.)

Flash Point: 148 °C

Density: 1.062 g/mL at 25 °C(lit.)

Solubility: <0.1 g/100 mL at 19 ºC in water

Refractivity: 1.512

Analytical Data

Appearance: Pale yellow crystals or off-white flaky solid.