2-(2-Chlorophenyl)hydroquinone hydrate

2-(2-氯苯基)氢醌水合物

Also known as: 2'-Chloro-2,5-dihydroxybiphenyl, 2'-chloro-[1,1'-biphenyl]-2,5-diol hydrate, 2-(2-CHLOROPHENYL)HYDROQUINONE HYDRATE, 2-(2-Chlorophenyl)hydroquinone hydrate 95%, 2-(2-chlorophenyl)benzene-1,4-diol,hydrate, I08-1087, [1,1'-Biphenyl]-2,5-diol,2'-chloro-,hydrate (1:1)

2-(2-Chlorophenyl)hydroquinone hydrate (CAS 305808-20-2) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C12H11ClO3 and a molecular weight of 238.66700 g/mol. It is also known as 2'-Chloro-2,5-dihydroxybiphenyl, 2'-chloro-[1,1'-biphenyl]-2,5-diol hydrate and 2-(2-CHLOROPHENYL)HYDROQUINONE HYDRATE. Key property: a melting point of 96-98ºC(lit.). 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.
305808-20-2
Jingsj CID
J-1328220-8
Molecular Formula
C12H11ClO3
Chinese Name
2-(2-氯苯基)氢醌水合物
Molecular Weight
238.66700 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Melting Point96-98ºC(lit.)
Exact Mass238.04000
PSA49.69000
LogP3.35390

GHS Safety & Compliance

IrritantSignal word: Warning
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Frequently Asked Questions

What is the CAS number of 2-(2-Chlorophenyl)hydroquinone hydrate?

The CAS number of 2-(2-Chlorophenyl)hydroquinone hydrate is 305808-20-2.

What are the molecular formula and molecular weight of 2-(2-Chlorophenyl)hydroquinone hydrate?

2-(2-Chlorophenyl)hydroquinone hydrate has molecular formula C12H11ClO3 and molecular weight 238.66700 g/mol.

Is 2-(2-Chlorophenyl)hydroquinone hydrate hazardous?

2-(2-Chlorophenyl)hydroquinone hydrate has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.

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

Last updated:

How to cite: Jingsj. "2-(2-Chlorophenyl)hydroquinone hydrate (CAS 305808-20-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1328220-8 (accessed 2026-10-28).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.