Phenylpropanoic acidPhenylpropanoic acid or hydrocinnamic acid is a carboxylic acid with the formula C9H10O2 belonging to the class of phenylpropanoids. It is a white, crystalline solid with a sweet, floral scent at room temperature. Read from the Chembox of the Wikipedia article Phenylpropanoic acid, revision 1350125676.

Property

Value

Formula

C9H10O2, 150.18 g/mol

Melting point

48.5 °C

Boiling point

280 °C

Density

1.126 g/cm³

Flash point

110 °C

log P, measured

1.839

pKa

4.66

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