240141

4-Hydroxybenzoic acid

ReagentPlus^®, ≥99%

• Synonym(s): 4-Carboxyphenol, 4-Hydroxybenzoic acid, Paraben-acid, p-Carboxyphenol, p-Hydroxybenzoic acid, p-Hydroxyl benzoic acid, p-Salicylic acid
• Linear Formula: HOC₆H₄CO₂H
• CAS Number: 99-96-7
• Molecular Weight: 138.12
• Beilstein: 970950
• EC Number: 202-804-9
• MDL number: MFCD00002547
• UNSPSC Code: 12352100
• PubChem Substance ID: 24854406
• NACRES: NA.22

Properties

• Quality Level: 100
• product line: ReagentPlus^®
• Assay: ≥99%
• form: powder
• mp: 213-217 °C (lit.)
• solubility: water: soluble 125 part(lit.); acetone: soluble(lit.); alcohol: freely soluble(lit.); carbon disulfide: insoluble(lit.); chloroform: slightly soluble(lit.); diethyl ether: soluble(lit.)
• functional group: carboxylic acid
• SMILES string: OC(=O)c1ccc(O)cc1
• InChI: 1S/C7H6O3/c8-6-3-1-5(2-4-6)7(9)10/h1-4,8H,(H,9,10)
• InChI key: FJKROLUGYXJWQN-UHFFFAOYSA-N

Description

General description

4-Hydroxybenzoic acid is an aromatic carboxylic acid commonly used as a building block in various organic reactions, such as in the synthesis of liquid crystals and parabens. It is also utilized in esterification reactions for synthesizing aromatic oligomers.

Application

4-Hydroxybenzoic acid can be used as a reactant to synthesize:

• Monoesters via esterification with sucrose.
• Thermotropic liquid crystalline polymers.
• 4-Hydroxybenzaldoxime via one-pot chemoenzymatic method.

Legal Information

ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany

Safety Information

• Pictograms: GHS05,GHS07
• Signal Word: Danger
• Hazard Statements: H318,H335
• Precautionary Statements: P261 - P271 - P280 - P304 + P340 + P312 - P305 + P351 + P338 - P403 + P233
• Hazard Classifications: Eye Dam. 1 - STOT SE 3
• Target Organs: Respiratory system
• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 1
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves