trans-2,4-dichlorocinnamic acid
反-2,4-二氯肉桂酸
Also known as: (2E)-3-(2,4-dichlorophenyl)acrylic acid, 2,4-dichlorocinnamic acid, 2,4-dichloro-trans-cinnamic acid, trans-2,4-dichlorociamic acid, AKOS BBS-00006981, RARECHEM BK HW 0011, OTAVA-BB BB7020400356, MFCD00004373
trans-2,4-dichlorocinnamic acid (CAS 20595-45-3) 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. It is also known as (2E)-3-(2,4-dichlorophenyl)acrylic acid, 2,4-dichlorocinnamic acid and 2,4-dichloro-trans-cinnamic acid. Key properties include a melting point of 233-235 °C(lit.), a boiling point of 359.4±27.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 171.2±23.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 20595-45-3
- Jingsj CID
- J-1504550-0
- Molecular Formula
- C9H6Cl2O2
- Chinese Name
- 反-2,4-二氯肉桂酸
- 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 | 233-235 °C(lit.) |
|---|---|
| Boiling Point | 359.4±27.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 171.2±23.7 °C |
Frequently Asked Questions
What is the CAS number of trans-2,4-dichlorocinnamic acid?
The CAS number of trans-2,4-dichlorocinnamic acid is 20595-45-3.
What are the molecular formula and molecular weight of trans-2,4-dichlorocinnamic acid?
trans-2,4-dichlorocinnamic acid has molecular formula C9H6Cl2O2 and molecular weight 217.049 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "trans-2,4-dichlorocinnamic acid (CAS 20595-45-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1504550-0 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.