Title: p-Hydroxybenzoic Acid
CAS Registry Number: 99-96-7
Molecular Formula: C7H6O3
Molecular Weight: 138.12
Percent Composition: C 60.87%, H 4.38%, O 34.75%
Literature References: Prepn from p-bromophenol: Gilinan, Arntzen, J. Am. Chem. Soc. 69, 1537 (1947); from p-hydroxybenzaldehyde: Pearl, J. Org. Chem. 12, 85 (1947); from phenol + potassium ethyl carbonate: Jones, Chem. Ind. (London) 1958, 228; from potassium phenolate + CO2: GB 942418 (1963 to Inventa). A metabolic product of Penicillium patulum: Tanenbaum, Bassett, Biochim. Biophys. Acta 28, 21 (1958).
Properties: Crystals, mp 213-214°. d 1.46. Soluble in about 125 parts water, freely in alcohol, slightly in chloroform; sol in ether, acetone. Practically insol in carbon disulfide. Ferric chloride does not color its aq soln.
Melting point: mp 213-214°
Density: d 1.46
Use: In org. syntheses; intermediate for dyes, fungicides. |