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4-Acetoxy-3-methoxyphenylacetic acid

Also known as: 2-(4-acetoxy-3-methoxy-phenyl)acetic acid, 2-(4-acetyloxy-3-methoxyphenyl)acetic acid, 2-(4-acetyloxy-3-methoxy-phenyl)ethanoic acid, 4-O-acetylhomovanillic acid, acetylhomovanillic acid, Benzeneacetic acid, 4-(acetyloxy)-3-methoxy-, NSC16950, TIMTEC-BB SBB000634

4-Acetoxy-3-methoxyphenylacetic acid (CAS 5447-38-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H12O5 and a molecular weight of 224.21000 g/mol. Key properties include a melting point of 138-140ºC, a boiling point of 349.2ºC at 760mmHg, a density of 1.256g/cm3 and a flash point of 133.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
5447-38-1
Jingsj CID
J-1526380-6
Molecular Formula
C11H12O5
Molecular Weight
224.21000 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point138-140ºC
Boiling Point349.2ºC at 760mmHg
Density1.256g/cm3
Flash Point133.9ºC
Exact Mass224.06800
PSA72.83000
LogP1.24760
Refractive Index1.532

Customs & Trade Information

HS Code2918990090
Summary2918990090. 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 4-Acetoxy-3-methoxyphenylacetic acid?

The CAS number of 4-Acetoxy-3-methoxyphenylacetic acid is 5447-38-1.

What are the molecular formula and molecular weight of 4-Acetoxy-3-methoxyphenylacetic acid?

4-Acetoxy-3-methoxyphenylacetic acid has molecular formula C11H12O5 and molecular weight 224.21000 g/mol.

What are the upstream and downstream products of 4-Acetoxy-3-methoxyphenylacetic acid?

For 4-Acetoxy-3-methoxyphenylacetic acid, Upstream Products: Homovanillic acid, 4-(Cyanomethyl)-2-methoxyphenyl acetate, 4-Acetoxy-3-methoxybenzoic acid; Downstream Products: Vanillin, protocatechuic acid, Homovanillic acid.

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

Last updated:

How to cite: Jingsj. "4-Acetoxy-3-methoxyphenylacetic acid (CAS 5447-38-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1526380-6 (accessed 2026-11-09).

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