Tetrachlorohydroquinone
Also known as: 2,3,5,6-Tetrachloro-1,4-benzenediol, 2,3,5,6-Tetrachlorobenzene-1,4-diol, 1,4-Benzenediol, 2,3,5,6-tetrachloro-, 2,3,5,6-tetrachloro-4-benzenediol, 1,2,4,5-Tetrachloro-3,6-dihydroxybenzene, TCHQ
Tetrachlorohydroquinone (CAS 87-87-6) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C6H2Cl4O2 and a molecular weight of 247.89 g/mol. Key properties include a melting point of 238-240 °C, a boiling point of 286.2ºC, a density of 1.848 g/cm3 and a flash point of 126.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 87-87-6
- Jingsj CID
- J-40854-8
- Molecular Formula
- C6H2Cl4O2
- Molecular Weight
- 247.89 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 238-240 °C |
|---|---|
| Boiling Point | 286.2ºC |
| Density | 1.848 g/cm3 |
| Flash Point | 126.9ºC |
| Exact Mass | 245.88100 |
| PSA | 40.46000 |
| LogP | 3.71140 |
| Refractive Index | 1.661 |
Activity & Biological Data
| Additional Information | [1]. Pietsch C, et al. Cytotoxic effects of pentachlorophenol (PCP) and its metabolite tetrachlorohydroquinone (TCHQ) on liver cells are modulated by antioxidants. Cell Biol Toxicol. 2014 Aug;30(4):233-52. |
|---|
Customs & Trade Information
| HS Code | 2908199090 |
|---|---|
| Summary | HS: 2908199090. derivatives of polyphenols or phenol-alcohols containing only halogen substituents and their salts. VAT:17.0%. tax rebate rate:9.0%. supervision conditions:None. MFN tariff:5.5%. general tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Tetrachlorohydroquinone?
The CAS number of Tetrachlorohydroquinone is 87-87-6.
What are the molecular formula and molecular weight of Tetrachlorohydroquinone?
Tetrachlorohydroquinone has molecular formula C6H2Cl4O2 and molecular weight 247.89 g/mol.
What are the upstream and downstream products of Tetrachlorohydroquinone?
For Tetrachlorohydroquinone, Upstream Products: 4,4'-Methylenebis(2,6-di-tert-butylphenol), Chloranil, Acenaphthene; Downstream Products: 1,2,4-Benzenetriol, p-Benzoquinone-d4, Chloranil.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Tetrachlorohydroquinone (CAS 87-87-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-40854-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.