2,6-Dichlorohydroquinone

Also known as: 2,6-Dichloro-1,4-benzenediol, 2,6-Dichloro-1,4-hydroquinol, 2,6-Dichloro-4-hydroxyphenol, 2,6-Dichloro-p-benzohydroquinone, 2,6-dichloro-1,4-dihydroxybenzene, 2,6-dichloro-1,4-hydroquinone, 2,6-dichloro-p-hydroquinone, 2,6-dichlorobenzene-1,4-diol, DiCH

2,6-Dichlorohydroquinone (CAS 20103-10-0) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C6H4Cl2O2 and a molecular weight of 179.00100 g/mol. Key properties include a boiling point of 277ºC at 760mmHg, a density of 1.624g/cm3 and a flash point of 121.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 20103-10-0
Jingsj CID: J-1512608-6
Molecular Formula: C₆H₄Cl₂O₂
Molecular Weight: 179.00100 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	277ºC at 760mmHg
Density	1.624g/cm3
Flash Point	121.3ºC
Exact Mass	177.95900
PSA	40.46000
LogP	2.40460
Vapor Pressure	0.00276mmHg at 25°C
Refractive Index	1.642

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 2,6-Dichlorohydroquinone?

The CAS number of 2,6-Dichlorohydroquinone is 20103-10-0.

What are the molecular formula and molecular weight of 2,6-Dichlorohydroquinone?

2,6-Dichlorohydroquinone has molecular formula C6H4Cl2O2 and molecular weight 179.00100 g/mol.

What are the upstream and downstream products of 2,6-Dichlorohydroquinone?

For 2,6-Dichlorohydroquinone, Upstream Products: 3,5-Dichloro-4-hydroxybenzaldehyde, 2,6-Dichlorophenol, 2,6-Dichloro-1,4-benzoquinone; Downstream Products: 2,6-Dichloro-1,4-benzoquinone.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "2,6-Dichlorohydroquinone (CAS 20103-10-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1512608-6 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.