4-(Chloromethyl)phenylacetic acid
Also known as: 2-(4-(Chloromethyl)phenyl)acetic acid, 2-[4-(chloromethyl)phenyl]acetic acid, Benzeneacetic acid, 4-(chloromethyl)-, [4-(Chloromethyl)phenyl]acetic acid, p-Chloro-methylphenyl acetic acid
4-(Chloromethyl)phenylacetic acid (CAS 56066-91-2) 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 184.620 g/mol. Key properties include a boiling point of 332.2±22.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 154.7±22.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 56066-91-2
- Jingsj CID
- J-1400376-0
- Molecular Formula
- C9H9ClO2
- Molecular Weight
- 184.620 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 332.2±22.0 °C at 760 mmHg |
|---|---|
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 154.7±22.3 °C |
| Exact Mass | 184.029114 |
| PSA | 37.30000 |
| LogP | 1.77 |
| Vapor Pressure | 0.0±0.8 mmHg at 25°C |
| Refractive Index | 1.566 |
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-(Chloromethyl)phenylacetic acid?
The CAS number of 4-(Chloromethyl)phenylacetic acid is 56066-91-2.
What are the molecular formula and molecular weight of 4-(Chloromethyl)phenylacetic acid?
4-(Chloromethyl)phenylacetic acid has molecular formula C9H9ClO2 and molecular weight 184.620 g/mol.
What are the upstream and downstream products of 4-(Chloromethyl)phenylacetic acid?
For 4-(Chloromethyl)phenylacetic acid, Upstream Products: Formaldehyde, 4-(Bromomethyl)phenylacetic acid, Ethyl 2-(4-cyanophenyl)acetate; Downstream Products: 2-(4-(Aminomethyl)phenyl)acetic 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-(Chloromethyl)phenylacetic acid (CAS 56066-91-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1400376-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.