Basic

CAS No.	139-85-5
Product Name	3,4-Dihydroxybenzaldehyde
Synonyms	Protocatechualdehyde; 3,4-Dihydroxybenzaldehyd (Protocatechualdehyde); protocatechuic aldehyde; AURORA 17180; AKOS BBS-00003254; 4-FORMYL-1,2-Dihydroxybenzene; 1,2-Dihydroxy-4-formylbenzene; 3,4-dihydroxy-benzaldehyd; 3, 4-Dihydroxy benzlaldehyde; 3,4-Dihydroxy benzlaldehyde
Molecular Formula	C7H6O3
Molecular Weight	138.1207

Physical property

Density	1.409g/cm3
Melting point	152-157℃
Boiling point	295.4°C at 760 mmHg
Flash point	146.7°C
Water solubility	50 g/L (20℃)
Refractive index	1.674

Hazard Symbols	Xi:Irritant;
Risk Codes	R36/37/38:;
Safety Description	S26:; S37/39:;