3,4-Dichlorocinnamic acid
3,4-二氯肉桂酸
Also known as: (E)-3-(3,4-dichlorophenyl)acrylic acid, 3-(3,4-Dichlorophenyl)acrylic acid, 3,4-Dichlorobenzeneacrylic acid, 3,4-Dichlorocinnamic acid, predomin antly trans, NSC 518800, MFCD00004385, OTAVA-BB BB7020400357, RARECHEM BK HC T316, Cinnamic acid, 3,4-dichloro-
3,4-Dichlorocinnamic acid (CAS 1202-39-7) 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 (E)-3-(3,4-dichlorophenyl)acrylic acid, 3-(3,4-Dichlorophenyl)acrylic acid and 3,4-Dichlorobenzeneacrylic acid. Key properties include a melting point of 218-220 °C(lit.), a boiling point of 366.6±32.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 175.5±25.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1202-39-7
- Jingsj CID
- J-31378-2
- Molecular Formula
- C9H6Cl2O2
- Chinese Name
- 3,4-二氯肉桂酸
- 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 | 218-220 °C(lit.) |
|---|---|
| Boiling Point | 366.6±32.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 175.5±25.1 °C |
Frequently Asked Questions
What is the CAS number of 3,4-Dichlorocinnamic acid?
The CAS number of 3,4-Dichlorocinnamic acid is 1202-39-7.
What are the molecular formula and molecular weight of 3,4-Dichlorocinnamic acid?
3,4-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. "3,4-Dichlorocinnamic acid (CAS 1202-39-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-31378-2 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.