2-Chloro-4,6-dinitrophenol

2-氯-4,6-二硝基苯酚

Also known as: 2,4-Dinitro-6-chlorophenol, 6-Chloro-2,4-dinitrophenol, 2-Chlor-4,6-dinitro-phenol, 2-Cl-4,6-DNP, Phenol, 2-chloro-4,6-dinitro-, NSC 3, NSC 38993, NSC 6072, USAF DO-60, MFCD00024234, EINECS 213-419-0

2-Chloro-4,6-dinitrophenol (CAS 946-31-6) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C6H3ClN2O5 and a molecular weight of 218.55100 g/mol. It is also known as 2,4-Dinitro-6-chlorophenol, 6-Chloro-2,4-dinitrophenol and 2-Chlor-4,6-dinitro-phenol. Key properties include a melting point of 110-114ºC(lit.), a boiling point of 293.5ºC at 760mmHg, a density of 1.769g/cm3 and a flash point of 131.3ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 946-31-6
Jingsj CID: J-1991912-2
Molecular Formula: C₆H₃ClN₂O₅
Chinese Name: 2-氯-4,6-二硝基苯酚
Molecular Weight: 218.55100 g/mol
Category: Alcohols
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	110-114ºC(lit.)
Boiling Point	293.5ºC at 760mmHg
Density	1.769g/cm3
Flash Point	131.3ºC

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 2-Chloro-4,6-dinitrophenol?

The CAS number of 2-Chloro-4,6-dinitrophenol is 946-31-6.

What are the molecular formula and molecular weight of 2-Chloro-4,6-dinitrophenol?

2-Chloro-4,6-dinitrophenol has molecular formula C6H3ClN2O5 and molecular weight 218.55100 g/mol.

Is 2-Chloro-4,6-dinitrophenol hazardous?

2-Chloro-4,6-dinitrophenol has GHS signal word Warning.

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

Last updated: 8/21/2026

How to cite: Jingsj. "2-Chloro-4,6-dinitrophenol (CAS 946-31-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1991912-2 (accessed 2026-10-22).

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