4-Chloroisophthalic acid
Also known as: 4-Chloro-1,3-benzenedicarboxylic acid, 4-Chlorobenzene-1,3-dicarboxylic acid, 1,3-Benzenedicarboxylic acid, 4-chloro-, Isophthalic acid, 4-chloro-, 4-Chloroisophthalic acid,97%
4-Chloroisophthalic acid (CAS 2845-85-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H5ClO4 and a molecular weight of 200.57600 g/mol. Key properties include a melting point of >290℃, a boiling point of 424.9ºC at 760mmHg, a density of 1.586g/cm3 and a flash point of 210.8ºC. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.
- CAS No.
- 2845-85-4
- Jingsj CID
- J-1139336-5
- Molecular Formula
- C8H5ClO4
- Molecular Weight
- 200.57600 g/mol
- Category
- Organic Acids
- Last updated
- 11/3/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | >290℃ |
|---|---|
| Boiling Point | 424.9ºC at 760mmHg |
| Density | 1.586g/cm3 |
| Flash Point | 210.8ºC |
| Exact Mass | 199.98800 |
| PSA | 74.60000 |
| LogP | 1.73640 |
| Vapor Pressure | 5.59E-08mmHg at 25°C |
| Refractive Index | 1.63 |
Customs & Trade Information
| HS Code | 2917399090 |
|---|---|
| Summary | 2917399090 aromatic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 4-Chloroisophthalic acid?
The CAS number of 4-Chloroisophthalic acid is 2845-85-4.
What are the molecular formula and molecular weight of 4-Chloroisophthalic acid?
4-Chloroisophthalic acid has molecular formula C8H5ClO4 and molecular weight 200.57600 g/mol.
What are the upstream and downstream products of 4-Chloroisophthalic acid?
For 4-Chloroisophthalic acid, Upstream Products: 4-Chloro-m-xylene, 4-Chlorobenzoic acid, 2-Chlorobenzoic acid; Downstream Products: 1-chloro-2,4-bis(trifluoromethyl)benzene, 4-Fluoroisophthalonitrile.
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-Chloroisophthalic acid (CAS 2845-85-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1139336-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.