3,4-Diethoxyphenylacetic acid

Also known as: (3,4-Diethoxyphenyl)acetic acid, (3,4-diethoxyphenyl)acetic acid(SALTDATA: FREE), 2-(3,4-diethoxyphenyl)acetic acid, 2-(3,4-diethoxyphenyl)ethanoic acid, 3,4-Diethoxyphenylacetic Acid, 3,4-Diethyloxy, 3,4-diethoxybenzeneacetic acid, ART-CHEM-BB B006522, Benzeneacetic acid, 3,4-diethoxy-, EINECS 253-957-3, MFCD00040785, RARECHEM AL BO 0610, VITAS-BB TBB000357

3,4-Diethoxyphenylacetic acid (CAS 38464-04-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C12H16O4 and a molecular weight of 224.253 g/mol. Key properties include a melting point of 77-79°C, a boiling point of 357.2±27.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 134.1±17.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 38464-04-9
Jingsj CID: J-15808-7
Molecular Formula: C₁₂H₁₆O₄
Molecular Weight: 224.253 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	77-79°C
Boiling Point	357.2±27.0 °C at 760 mmHg
Density	1.1±0.1 g/cm3
Flash Point	134.1±17.2 °C
Exact Mass	224.104858
PSA	55.76000
LogP	2.31
Vapor Pressure	0.0±0.8 mmHg at 25°C
Refractive Index	1.518

Customs & Trade Information

HS Code	2918990090
Summary	2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 3,4-Diethoxyphenylacetic acid?

The CAS number of 3,4-Diethoxyphenylacetic acid is 38464-04-9.

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

3,4-Diethoxyphenylacetic acid has molecular formula C12H16O4 and molecular weight 224.253 g/mol.

What are the upstream and downstream products of 3,4-Diethoxyphenylacetic acid?

For 3,4-Diethoxyphenylacetic acid, Upstream Products: Diethyl sulfate, 3,4-Dihydroxyphenylacetic acid, 3,4-Diethoxyphenylacetonitrile.

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. "3,4-Diethoxyphenylacetic acid (CAS 38464-04-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-15808-7 (accessed 2026-11-09).

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