Product Name: 4-Hydroxybenzaldehyde 
Synonyms: p-Hydroxybenzaldehyde; p-hydroxy benzaldehyde; 4-hydroxy benzaldehyde; PHBA; Hydroxybenzaldehyde, p-; Para Hydroxy Benzaldehyde 
CAS RN.: 123-08-0 
EINECS: 204-599-1 
Molecular Weight: 122.1213 
Molecular Formula: C₇H₆O₂ 
Density: 1.226g/cm³ 
Melting Point(℃): 114-118℃ 
Boiling Point(℃): 246.6°C at 760 mmHg 
Flash Point(℃): 101.3°C 
refractive_index: 1.618 
Water Solubility: 13 g/L (30℃)