4-Methoxyphthalaldehyde

Also known as: 1,2-Benzenedicarboxaldehyde, 4-methoxy-, 1,2-Benzenedicarboxaldehyde,4-methoxy-, 4-Methoxy-phthaldialdehyd, 4-Methoxyphthalaldehyd, 4-methoxyphthaldehyde, 5-methoxy-o-phthalaldehyde, Phthalaldehyde,4-methoxy-(7CI,8CI), 4-methoxybenzene-1,2-dicarbaldehyde

4-Methoxyphthalaldehyde (CAS 6500-51-2) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C9H8O3 and a molecular weight of 164.15800 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 6500-51-2
Jingsj CID: J-1524452-7
Molecular Formula: C₉H₈O₃
Molecular Weight: 164.15800 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Exact Mass	164.04700
PSA	43.37000
LogP	1.32020

Customs & Trade Information

HS Code	2912499000
Summary	2912499000. other aldehyde-ethers, aldehyde-phenols and aldehydes with other oxygen function. VAT:17.0%. Tax rebate rate:9.0%. . MFN tariff:5.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 4-Methoxyphthalaldehyde?

The CAS number of 4-Methoxyphthalaldehyde is 6500-51-2.

What are the molecular formula and molecular weight of 4-Methoxyphthalaldehyde?

4-Methoxyphthalaldehyde has molecular formula C9H8O3 and molecular weight 164.15800 g/mol.

What are the upstream and downstream products of 4-Methoxyphthalaldehyde?

For 4-Methoxyphthalaldehyde, Upstream Products: 4-Methoxy-1,2-benzenedimethanol, 2-(2-Bromo-5-methoxyphenyl)-1,3-dioxolane, 5-Methoxy-2-nitrobenzaldehyde.

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

Last updated: 8/21/2026

How to cite: Jingsj. "4-Methoxyphthalaldehyde (CAS 6500-51-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1524452-7 (accessed 2026-11-09).

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