trans-2,3-Dimethoxycinnamic acid
Also known as: (E)-3-(2,3-dimethoxyphenyl)acrylic acid, 2,3-Dimethoxycinnamic acid, (2E)-3-(2,3-dimethoxyphenyl)prop-2-enoic acid, 3-(2,3-dimethoxyphenyl)acrylic acid
trans-2,3-Dimethoxycinnamic acid (CAS 7345-82-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H12O4 and a molecular weight of 208.211 g/mol. Key properties include a melting point of 180-184ºC, a boiling point of 351.6±27.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 136.7±17.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 7345-82-6
- Jingsj CID
- J-43697-5
- Molecular Formula
- C11H12O4
- Molecular Weight
- 208.211 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 180-184ºC |
|---|---|
| Boiling Point | 351.6±27.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 136.7±17.2 °C |
| Exact Mass | 208.073563 |
| PSA | 55.76000 |
| LogP | 2.30 |
| Vapor Pressure | 0.0±0.8 mmHg at 25°C |
| Refractive Index | 1.574 |
Frequently Asked Questions
What is the CAS number of trans-2,3-Dimethoxycinnamic acid?
The CAS number of trans-2,3-Dimethoxycinnamic acid is 7345-82-6.
What are the molecular formula and molecular weight of trans-2,3-Dimethoxycinnamic acid?
trans-2,3-Dimethoxycinnamic acid has molecular formula C11H12O4 and molecular weight 208.211 g/mol.
What are the upstream and downstream products of trans-2,3-Dimethoxycinnamic acid?
For trans-2,3-Dimethoxycinnamic acid, Upstream Products: Malonic acid, 2,3-Dimethoxybenzaldehyde; Downstream Products: Methyl 2-hydroxy-5,6-dimethoxy-3,4-dihydro-1-naphthalenecarboxylate, 4,5-Dimethoxy-1-indanone, 3-(2,3-Dimethoxyphenyl)propanal.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "trans-2,3-Dimethoxycinnamic acid (CAS 7345-82-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-43697-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.