Tetrachlorophthalic Acid Hemihydrate
Also known as: 3,4,5,6-Tetrachlorophthalic acid hemihydrate, Tetrachlorophthalic acid, 3,4,5,6-Tetrachloro-1,2-benzenedicarboxylic acid, 1,2-Benzenedicarboxylic acid, 3,4,5,6-tetrachloro-, EINECS 211-181-2, MFCD00053309, RARECHEM AL BO 1285, Tetrachlorophthalicacid,hemihydrate
Tetrachlorophthalic Acid Hemihydrate (CAS 632-58-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H2Cl4O4 and a molecular weight of 303.911 g/mol. Key properties include a melting point of 98°C, a boiling point of 439.1±45.0 °C at 760 mmHg, a density of 1.9±0.1 g/cm3 and a flash point of 219.4±28.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 632-58-6
- Jingsj CID
- J-1089004-7
- Molecular Formula
- C8H2Cl4O4
- Molecular Weight
- 303.911 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 98°C |
|---|---|
| Boiling Point | 439.1±45.0 °C at 760 mmHg |
| Density | 1.9±0.1 g/cm3 |
| Flash Point | 219.4±28.7 °C |
| Exact Mass | 301.870728 |
| PSA | 74.60000 |
| LogP | 3.83 |
| Vapor Pressure | 0.0±1.1 mmHg at 25°C |
| Refractive Index | 1.657 |
| Additional Property | Sparingly soluble |
Frequently Asked Questions
What is the CAS number of Tetrachlorophthalic Acid Hemihydrate?
The CAS number of Tetrachlorophthalic Acid Hemihydrate is 632-58-6.
What are the molecular formula and molecular weight of Tetrachlorophthalic Acid Hemihydrate?
Tetrachlorophthalic Acid Hemihydrate has molecular formula C8H2Cl4O4 and molecular weight 303.911 g/mol.
What are the upstream and downstream products of Tetrachlorophthalic Acid Hemihydrate?
For Tetrachlorophthalic Acid Hemihydrate, Upstream Products: Phthalic anhydride, Phthaloyl chloride, Octachloronaphthalene; Downstream Products: 2,3,4,5-Tetrachlorobenzoic acid, Mellitic acid, 3,6-Dichlorophthalic anhydride.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Tetrachlorophthalic Acid Hemihydrate (CAS 632-58-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1089004-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.