2-(3,4,5-trimethoxyphenyl)acetaldehyde

Also known as: 3,4,5-trimethoxyphenylacetaldehyde, 3,4,5-trimethoxybenzeneacetaldehyde, Benzeneacetaldehyde, 3,4,5-trimethoxy-, 3,4,5-triMethoxyphenyl ethyl aldehyde

2-(3,4,5-trimethoxyphenyl)acetaldehyde (CAS 5320-31-0) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C11H14O4 and a molecular weight of 210.22600 g/mol. Key properties include a boiling point of 318.4ºC at 760mmHg, a density of 1.089g/cm3 and a flash point of 132.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 5320-31-0
Jingsj CID: J-1360332-2
Molecular Formula: C₁₁H₁₄O₄
Molecular Weight: 210.22600 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	318.4ºC at 760mmHg
Density	1.089g/cm3
Flash Point	132.8ºC
Exact Mass	210.08900
PSA	44.76000
LogP	1.45380
Refractive Index	1.496

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 2-(3,4,5-trimethoxyphenyl)acetaldehyde?

The CAS number of 2-(3,4,5-trimethoxyphenyl)acetaldehyde is 5320-31-0.

What are the molecular formula and molecular weight of 2-(3,4,5-trimethoxyphenyl)acetaldehyde?

2-(3,4,5-trimethoxyphenyl)acetaldehyde has molecular formula C11H14O4 and molecular weight 210.22600 g/mol.

What are the upstream and downstream products of 2-(3,4,5-trimethoxyphenyl)acetaldehyde?

For 2-(3,4,5-trimethoxyphenyl)acetaldehyde, Upstream Products: 2-(3,4,5-Trimethoxyphenyl)ethanol, 3,4,5-Trimethoxyphenylacetic acid, Elemicin; Downstream Products: Trimethoprim, 3,4,5-Trimethoxyphenylacetonitrile, Mescaline.

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. "2-(3,4,5-trimethoxyphenyl)acetaldehyde (CAS 5320-31-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1360332-2 (accessed 2026-11-09).

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