trans-2,5-Dichlorocinnamic acid
Also known as: (E)-3-(2,5-dichlorophenyl)acrylic acid, 3-(2,5-dichlorophenyl)acrylic acid, (2E)-3-(2,5-dichlorophenyl)acrylic acid, 2,5-dichlorocinnamic acid, trans-3-(2,5-dichlorophenyl)-2-propenoic acid, 2,5-dichloro-trans-cinnamic acid, 2,5-Dichlor-trans-zimtsaeure, RARECHEM BK HW 0013
trans-2,5-Dichlorocinnamic acid (CAS 20595-47-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H6Cl2O2 and a molecular weight of 217.049 g/mol. Key properties include a melting point of 192-194ºC, a boiling point of 357.6±32.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 170.1±25.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 20595-47-5
- Jingsj CID
- J-1137741-6
- Molecular Formula
- C9H6Cl2O2
- Molecular Weight
- 217.049 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 192-194ºC |
|---|---|
| Boiling Point | 357.6±32.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 170.1±25.1 °C |
| Exact Mass | 215.974487 |
| PSA | 37.30000 |
| LogP | 3.32 |
| Vapor Pressure | 0.0±0.8 mmHg at 25°C |
| Refractive Index | 1.638 |
Customs & Trade Information
| HS Code | 2916399090 |
|---|---|
| Summary | 2916399090 other aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of trans-2,5-Dichlorocinnamic acid?
The CAS number of trans-2,5-Dichlorocinnamic acid is 20595-47-5.
What are the molecular formula and molecular weight of trans-2,5-Dichlorocinnamic acid?
trans-2,5-Dichlorocinnamic acid has molecular formula C9H6Cl2O2 and molecular weight 217.049 g/mol.
What are the upstream and downstream products of trans-2,5-Dichlorocinnamic acid?
For trans-2,5-Dichlorocinnamic acid, Upstream Products: 1,4-Dichloro-2-iodobenzene, Acrylic acid, 2,5-Dichlorobenzaldehyde.
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-2,5-Dichlorocinnamic acid (CAS 20595-47-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1137741-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.