2,3-Dinitrophenol

2,3-二硝基苯酚

Also known as: 2,3-DNP, 2,3-Dinitrofenol, 2,3-dinitro-phenol, 2,3-dinitro-pheno, 2.3-Dinitro-1-hydroxy-benzol, anti-dinitrophenol, di-nitro-phenol, HOC6H3(NO2)2-2.3, Phenol, 2,3-dinitro-, 2,3-Dinitrofenol [Czech]

CAS No.
66-56-8
Jingsj CID
J-884889-5
Molecular Formula
C6H4N2O5
Chinese Name
2,3-二硝基苯酚
Molecular Weight
184.10600 g/mol
Category
Alcohols
Last updated
8/21/2026

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Physicochemical Properties

Melting Point143-146ºC
Boiling Point328.9ºC at 760 mmHg
Density1.65 g/cm3
Flash Point151.2ºC

GHS Safety & Compliance

Acute Toxicity / Health Hazard / Environmental HazardSignal word: Danger

Frequently Asked Questions

What is the CAS number of 2,3-Dinitrophenol?

66-56-8

What are the molecular formula and molecular weight of 2,3-Dinitrophenol?

C6H4N2O5, molecular weight 184.10600 g/mol

Is 2,3-Dinitrophenol hazardous?

Danger

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026