H20059

4-Hydroxybenzoic acid

ReagentPlus^®, 99%

• Synonym(s): p-HBA, p-Hydroxybenzoic acid
• Linear Formula: HOC₆H₄CO₂H
• CAS Number: 99-96-7
• Molecular Weight: 138.12
• Beilstein/REAXYS Number: 970950
• EC Number: 202-804-9
• MDL number: MFCD00002547
• UNSPSC Code: 12352100
• PubChem Substance ID: 24895495
• NACRES: NA.22

Properties

• Quality Level: 200
• product line: ReagentPlus^®
• assay: 99%
• mp: 213-217 °C (lit.)
• solubility: alcohol: freely soluble
• 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 (PHBA) is a phenolic derivative of benzoic acid, used as a building block in polymer synthesis.

Application

4-Hydroxybenzoic acid can be used as a starting material to synthesize organic intermediates such as 4-acetoxybenzoic acid and 4-hydroxy-3,5-diiodobenzoic acid.

Legal Information

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

Safety Information

• pictograms: GHS05,GHS07
• signalword: Danger
• hcodes: H318,H335
• pcodes: 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: 11 - Combustible Solids
• wgk_germany: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: dust mask type N95 (US), Eyeshields, Gloves