4-(2-chloroethyl)benzoic acid
4-(2-氯乙基)苯甲酸
Also known as: 2-[4-carboxyphenyl]ethyl chloride, 4-carboxyphenethyl chloride, p-(β-chloroethyl)benzoic acid, P-(BETA-CHLOROETHYL)BENZOIC ACID, Benzoic acid, 4-(2-chloroethyl)-
4-(2-chloroethyl)benzoic acid (CAS 20849-78-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H9ClO2 and a molecular weight of 184.62000 g/mol. It is also known as 2-[4-carboxyphenyl]ethyl chloride, 4-carboxyphenethyl chloride and p-(β-chloroethyl)benzoic acid. Key properties include a melting point of 187-189ºC, a boiling point of 331ºC at 760mmHg, a density of 1.263g/cm3 and a flash point of 154ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 20849-78-9
- Jingsj CID
- J-18343-9
- Molecular Formula
- C9H9ClO2
- Chinese Name
- 4-(2-氯乙基)苯甲酸
- Molecular Weight
- 184.62000 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 187-189ºC |
|---|---|
| Boiling Point | 331ºC at 760mmHg |
| Density | 1.263g/cm3 |
| Flash Point | 154ºC |
Frequently Asked Questions
What is the CAS number of 4-(2-chloroethyl)benzoic acid?
The CAS number of 4-(2-chloroethyl)benzoic acid is 20849-78-9.
What are the molecular formula and molecular weight of 4-(2-chloroethyl)benzoic acid?
4-(2-chloroethyl)benzoic acid has molecular formula C9H9ClO2 and molecular weight 184.62000 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-(2-chloroethyl)benzoic acid (CAS 20849-78-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-18343-9 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.