4,5-Dichlorophthalic acid
Also known as: 4,5-dichlorophthalic acid, 1,2-benzenedicarboxylic acid, 4,5-dichloro-, DICHLOROPHTHALIC ACID, AKOS 92369, 4,5-dichloro-2-benzenedicarboxylicacid
4,5-Dichlorophthalic acid (CAS 56962-08-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H4Cl2O4 and a molecular weight of 235.02100 g/mol. Key properties include a melting point of 198-200 °C (dec.)(lit.), a boiling point of 422.1ºC at 760mmHg, a density of 1.698g/cm3 and a flash point of 209.1ºC. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 56962-08-4
- Jingsj CID
- J-24562-5
- Molecular Formula
- C8H4Cl2O4
- Molecular Weight
- 235.02100 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 198-200 °C (dec.)(lit.) |
|---|---|
| Boiling Point | 422.1ºC at 760mmHg |
| Density | 1.698g/cm3 |
| Flash Point | 209.1ºC |
| Exact Mass | 233.94900 |
| PSA | 74.60000 |
| LogP | 2.38980 |
| Refractive Index | 1.64 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
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 4,5-Dichlorophthalic acid?
The CAS number of 4,5-Dichlorophthalic acid is 56962-08-4.
What are the molecular formula and molecular weight of 4,5-Dichlorophthalic acid?
4,5-Dichlorophthalic acid has molecular formula C8H4Cl2O4 and molecular weight 235.02100 g/mol.
Is 4,5-Dichlorophthalic acid hazardous?
4,5-Dichlorophthalic acid has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of 4,5-Dichlorophthalic acid?
For 4,5-Dichlorophthalic acid, Upstream Products: Phthalic acid, 2,3-Dichloromaleic anhydride, Water; Downstream Products: 4,5-Dianilinophthalimide, 4,5-dichlorophthalic anhydride, 2-Amino-4,5-dichlorobenzoic 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. "4,5-Dichlorophthalic acid (CAS 56962-08-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-24562-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.