4-Chloro-3-nitrocinnamic acid
Also known as: 3-(4-Chloro-3-nitrophenyl)acrylic acid, (2E)-3-(4-Chloro-3-nitrophenyl)acrylic acid, trans-4-Chloro-3-nitrocinnamic acid, 4-Chloro-3-nitrocinnaMic Acid, MFCD00063311
4-Chloro-3-nitrocinnamic acid (CAS 20797-48-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H6ClNO4 and a molecular weight of 227.601 g/mol. Key properties include a melting point of 188-190 °C(lit.), a boiling point of 408.6±35.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 200.9±25.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 20797-48-2
- Jingsj CID
- J-1316162-1
- Molecular Formula
- C9H6ClNO4
- Molecular Weight
- 227.601 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 188-190 °C(lit.) |
|---|---|
| Boiling Point | 408.6±35.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 200.9±25.9 °C |
| Exact Mass | 226.998535 |
| PSA | 83.12000 |
| LogP | 2.63 |
| Vapor Pressure | 0.0±1.0 mmHg at 25°C |
| Refractive Index | 1.663 |
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 4-Chloro-3-nitrocinnamic acid?
The CAS number of 4-Chloro-3-nitrocinnamic acid is 20797-48-2.
What are the molecular formula and molecular weight of 4-Chloro-3-nitrocinnamic acid?
4-Chloro-3-nitrocinnamic acid has molecular formula C9H6ClNO4 and molecular weight 227.601 g/mol.
What are the upstream and downstream products of 4-Chloro-3-nitrocinnamic acid?
For 4-Chloro-3-nitrocinnamic acid, Upstream Products: 4-Chloro-3-nitrobenzyl alcohol, 4-Chlorocinnamic 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-Chloro-3-nitrocinnamic acid (CAS 20797-48-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1316162-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.