4-Methylphenylacetic acid, CAS No. 622-47-9

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622-47-9

Catalog No. EBD10345

CAS 622-47-9

Name 4-Methylphenylacetic acid

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Basic Information

Synonyms: 4-MethylphylaceticAcid 4-Methylphenylaceticacid (4-methylphenyl)acetate paramethylphenylaceticacid P-tolyaceticacid p-Tolylaceticacid p-Methylphenylaceticacid

Molecular Formula: C9H10O2

Molecular Weight: 150.17

MDL Number: MFCD00004353

Categories: Synthetic Chemistry > Organic Building Blocks > Carboxylic Acids and Esters Medicinal Chemistry > Pharmaceutical Intermediates > Drug Synthesis Building Blocks

Product Description:

4-Methylphenylacetic acid is an organic compound featuring a phenyl ring substituted with a methyl group at the para position and an acetic acid side chain. It is a white to off-white crystalline solid with a molecular formula of C9H10O2. This compound serves as a versatile and important building block in organic synthesis. Its primary application is as a key intermediate in the pharmaceutical industry. It is notably used in the synthesis of various active pharmaceutical ingredients (APIs), including non-steroidal anti-inflammatory drugs (NSAIDs) and other therapeutic agents. The carboxylic acid group allows for further derivatization into esters, amides, and other functional groups, making it a valuable precursor for constructing more complex molecular architectures. As a common synthetic intermediate, it is widely available from chemical suppliers for research and development purposes. Standard safety precautions for handling carboxylic acids should be observed, including the use of personal protective equipment to avoid skin and eye irritation.

Physical Properties

Melting Point: 88-92 °C(lit.)

Boiling Point: 265-267 °C(lit.)

Flash Point: 265-267°C

Density: 1.127 g/cm3

Solubility: 4850 mg/l in water

Analytical Data

Appearance: white fine crystalline powder