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4-Propoxycinnamic acid

Also known as: 3-(4-Propoxyphenyl)acrylic acid, (E)-3-(4-propoxyphenyl)acrylic acid, (2E)-3-(4-propoxyphenyl)acrylic acid, 4-n-propoxycinnamic acid, p-propoxycinnamic acid, 3-(4-propoxyphenyl)prop-2-enoic acid

4-Propoxycinnamic acid (CAS 69033-81-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C12H14O3 and a molecular weight of 206.23800 g/mol. Key properties include a melting point of 166.0 to 172.0 °C, a boiling point of 364.8ºC at 760 mmHg, a density of 1.132g/cm3 and a flash point of 140.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
69033-81-4
Jingsj CID
J-1363116-8
Molecular Formula
C12H14O3
Molecular Weight
206.23800 g/mol
Category
Organic Acids
Last updated
8/21/2026
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Physicochemical Properties

Melting Point166.0 to 172.0 °C
Boiling Point364.8ºC at 760 mmHg
Density1.132g/cm3
Flash Point140.4ºC
Exact Mass206.09400
PSA46.53000
LogP2.57320
Refractive Index1.569

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-Propoxycinnamic acid?

The CAS number of 4-Propoxycinnamic acid is 69033-81-4.

What are the molecular formula and molecular weight of 4-Propoxycinnamic acid?

4-Propoxycinnamic acid has molecular formula C12H14O3 and molecular weight 206.23800 g/mol.

What are the upstream and downstream products of 4-Propoxycinnamic acid?

For 4-Propoxycinnamic acid, Upstream Products: 4-Hydroxybenzaldehyde, 4-Hydroxycinnamic acid, 1-bromopropane; Downstream Products: 4-Propoxycinnamic 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-Propoxycinnamic acid (CAS 69033-81-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1363116-8 (accessed 2026-11-09).

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