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2-Hydroxy-3-methoxybenzaldehyde oxime

Also known as: o-Vanillin oxime, Benzaldehyde,2-hydroxy-3-methoxy-, oxime, 3-Methoxysalicylaldoxime, 2-Hydroxy-m-anisaldehyde oxime, (6E)-6-[(hydroxyamino)methylidene]-2-methoxycyclohexa-2,4-dien-1-one, 2-[(1E)-(hydroxyimino)methyl]-6-methoxyphenol, m-Anisaldehyde,2-hydroxy-,oxime, NSC 73197, 2-Hydroxy-3-methoxybenzaldoxime, 3-Methoxysalicylaldehyde oxime

2-Hydroxy-3-methoxybenzaldehyde oxime (CAS 2169-99-5) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C8H9NO3 and a molecular weight of 167.16200 g/mol. Key properties include a melting point of 124 °C, a boiling point of 345.3ºC at 760mmHg, a density of 1.27g/cm3 and a flash point of 162.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
2169-99-5
Jingsj CID
J-1500612-5
Molecular Formula
C8H9NO3
Molecular Weight
167.16200 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point124 °C
Boiling Point345.3ºC at 760mmHg
Density1.27g/cm3
Flash Point162.6ºC
Exact Mass167.05800
PSA62.05000
LogP1.20890
Vapor Pressure3.93E-06mmHg at 25°C
Refractive Index1.577

Customs & Trade Information

HS Code2928000090
Summary2928000090 other organic derivatives of hydrazine or of hydroxylamine VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 2-Hydroxy-3-methoxybenzaldehyde oxime?

The CAS number of 2-Hydroxy-3-methoxybenzaldehyde oxime is 2169-99-5.

What are the molecular formula and molecular weight of 2-Hydroxy-3-methoxybenzaldehyde oxime?

2-Hydroxy-3-methoxybenzaldehyde oxime has molecular formula C8H9NO3 and molecular weight 167.16200 g/mol.

What are the upstream and downstream products of 2-Hydroxy-3-methoxybenzaldehyde oxime?

For 2-Hydroxy-3-methoxybenzaldehyde oxime, Upstream Products: o-Vanillin; Downstream Products: 8-methoxy-2-oxo-2H-chromene-3-carboxylic acid, 2-Hydroxy-3-methoxybenzonitrile, o-Vanillin.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "2-Hydroxy-3-methoxybenzaldehyde oxime (CAS 2169-99-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1500612-5 (accessed 2026-11-06).

Data for reference only; verify product details with suppliers before purchase.