4-(4-chlorophenoxy)benzoic acid
Also known as: benzoic acid, 4-(4-chlorophenoxy)-, 4-(4-chlorophenoxy)benzoic acid
4-(4-chlorophenoxy)benzoic acid (CAS 21120-67-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C13H9ClO3 and a molecular weight of 248.66200 g/mol. Key properties include a melting point of 167-171ºC, a boiling point of 392.3ºC at 760mmHg, a density of 1.347g/cm3 and a flash point of 191.1ºC. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H317 — May cause an allergic skin reaction and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 21120-67-2
- Jingsj CID
- J-1508923-3
- Molecular Formula
- C13H9ClO3
- Molecular Weight
- 248.66200 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 167-171ºC |
|---|---|
| Boiling Point | 392.3ºC at 760mmHg |
| Density | 1.347g/cm3 |
| Flash Point | 191.1ºC |
| Exact Mass | 248.02400 |
| PSA | 46.53000 |
| LogP | 3.83050 |
| Vapor Pressure | 7.39E-07mmHg at 25°C |
| Refractive Index | 1.616 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H317 — May cause an allergic skin reaction
- H319 — Causes serious eye irritation
- H400 — Very toxic to aquatic life
Customs & Trade Information
| HS Code | 2918990090 |
|---|---|
| Summary | 2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 4-(4-chlorophenoxy)benzoic acid?
The CAS number of 4-(4-chlorophenoxy)benzoic acid is 21120-67-2.
What are the molecular formula and molecular weight of 4-(4-chlorophenoxy)benzoic acid?
4-(4-chlorophenoxy)benzoic acid has molecular formula C13H9ClO3 and molecular weight 248.66200 g/mol.
Is 4-(4-chlorophenoxy)benzoic acid hazardous?
4-(4-chlorophenoxy)benzoic acid has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H317 — May cause an allergic skin reaction; H319 — Causes serious eye irritation.
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-(4-chlorophenoxy)benzoic acid (CAS 21120-67-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1508923-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.