144088

4-Hydroxybenzaldehyde

98%

• Synonym(s): 4-Formylphenol, 4-Hydroxybenzaldehyde, Parahydroxybenzaldehyde, p-Formylphenol, p-Hydroxybenzaldehyde, p-Oxybenzaldehyde
• Linear Formula: HOC₆H₄CHO
• CAS Number: 123-08-0
• Molecular Weight: 122.12
• Beilstein/REAXYS Number: 471352
• EC Number: 204-599-1
• MDL number: MFCD00006939
• UNSPSC Code: 12352100
• PubChem Substance ID: 24848630
• NACRES: NA.22

Properties

• assay: 98%
• form: solid
• mp: 112-116 °C (lit.)
• SMILES string: [H]C(=O)c1ccc(O)cc1
• InChI: 1S/C7H6O2/c8-5-6-1-3-7(9)4-2-6/h1-5,9H
• InChI key: RGHHSNMVTDWUBI-UHFFFAOYSA-N

Description

Application

4-Hydroxybenzaldehyde can be used as a reactant to synthesize:

•  4-Hydroxybenzaldehydesemicarbazone by a condensation reaction with semicarbazide.    
• Vanillin via bromination followed by copper-catalyzed coupling reaction with sodium methoxide.      
• Oligo-4-hydroxybenzaldehyde by an oxidative polycondensation reaction with hydrogen peroxide (H₂O₂) in an alkaline medium.
• (−)-Centrolobine, a diarylheptanoid.

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 2
• flash_point_f: 345.2 °F
• flash_point_c: 174 °C
• ppe: dust mask type N95 (US), Eyeshields, Gloves