3,4-Dihydroxybenzaldoxime

3,4-二羟基苯甲醛肟

Also known as: Protocatechualdehyde, oxime, 3,4-Dihydroxybenzaldehyde oxime, NSC 637189, Benzaldehyde, 3,4-dihydroxy-, oxime, 3,4-Dihydroxy-benzaldehyd-oxim, AKOS B004049, (4E)-2-hydroxy-4-[(hydroxyamino)methylidene]-1-cyclohexa-2,5-dienone

CAS No.
3343-59-7
Jingsj CID
J-3436-6
Molecular Formula
C7H7NO3
Chinese Name
3,4-二羟基苯甲醛肟
Molecular Weight
153.13500 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point155-157ºC
Boiling Point317.2ºC at 760mmHg
Density1.672g/cm3
Flash Point145.6ºC

Frequently Asked Questions

What is the CAS number of 3,4-Dihydroxybenzaldoxime?

3343-59-7

What are the molecular formula and molecular weight of 3,4-Dihydroxybenzaldoxime?

C7H7NO3, molecular weight 153.13500 g/mol

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