4-Nitro-o-phenylenediamine

4-硝基邻苯二胺

Also known as: 1,2-Diamino-4-nitrobenzene, 4-Nitro-1,2-benzenediamine, 4-nitrobenzene-1,2-diamine, 1,2-Benzenediamine, 4-nitro-, p-Nitro-o-phenylenediamine, 4-n-o-pda, 4-NOP, 4-NOPD, C.I. 76020, NCI-C03941

CAS No.
99-56-9
Jingsj CID
J-14549-3
Molecular Formula
C6H7N3O2
Chinese Name
4-硝基邻苯二胺
Molecular Weight
153.139 g/mol
Category
Organic Bases
Last updated
8/21/2026

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Physicochemical Properties

Melting Point199-201 °C(lit.)
Boiling Point421.1±25.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point208.5±23.2 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 4-Nitro-o-phenylenediamine?

99-56-9

What are the molecular formula and molecular weight of 4-Nitro-o-phenylenediamine?

C6H7N3O2, molecular weight 153.139 g/mol

Is 4-Nitro-o-phenylenediamine hazardous?

Warning

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