2,3-Dihydroxybenzaldehyde

2,3-二羟基苯甲醛

Also known as: 3-Hydroxysalicylaldehyde, 5,6-Dihydroxybenzaldehyde, 2,3-Dihydroxy-1-formylbenzene, 3-Formyl-1,2-benzenediol, 1,2-Dihydroxy-3-formylbenzene, o-Pyrocatechualdehyde

CAS No.
24677-78-9
Jingsj CID
J-45518-3
Molecular Formula
C7H6O3
Chinese Name
2,3-二羟基苯甲醛
Molecular Weight
138.121 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point104-108 °C(lit.)
Boiling Point240.0±20.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point113.2±18.3 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 2,3-Dihydroxybenzaldehyde?

24677-78-9

What are the molecular formula and molecular weight of 2,3-Dihydroxybenzaldehyde?

C7H6O3, molecular weight 138.121 g/mol

Is 2,3-Dihydroxybenzaldehyde hazardous?

Warning

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026