dinitrogen trioxide

三氧化二氮

Also known as: 1,3-Diaza-2,4,5-trioxabicyclo[1.1.1]pentane, Chebi:29799, Dinitrogen trioxide, Dinitrogen trioxide (gas) (unlabelled N2O3), Distickstofftrioxyd, N-oxonitramide, NITROGEN TRIOXIDE, NITROGENSESQUIOXIDE, Nitrogen oxide (N2O3), Nitrogen trioxide by volume or more, Nitrogen trioxide: (Dinitrogen trioxide), Nitrous anhydride, Trioxido-1kappa(2)o,2kappao-dinitrogen(N--N), nitrogen sesquioxide, o2Nno

CAS No.
10544-73-7
Jingsj CID
J-10181-1
Molecular Formula
N2O3
Chinese Name
三氧化二氮
Molecular Weight
76.01160 g/mol
Category
Inorganic Chemicals
Last updated
8/21/2026

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Physicochemical Properties

Density1.94g/cm3

GHS Safety & Compliance

Oxidising / Compressed Gas / Corrosion / Acute ToxicitySignal word: Danger

Frequently Asked Questions

What is the CAS number of dinitrogen trioxide?

10544-73-7

What are the molecular formula and molecular weight of dinitrogen trioxide?

N2O3, molecular weight 76.01160 g/mol

Is dinitrogen trioxide hazardous?

Danger

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