Dinitrogen trioxide
[CAS# 10544-73-7]

Identification

• Name: Dinitrogen trioxide
• Synonyms: Nitrogen sesquioxide; Nitrogen trioxide; Nitrogen trioxide (N2O3); Nitrous anhydride; asym-Dinitrogen trioxide
• Molecular Formula: N₂O₃
• Molecular Weight: 76.01
• CAS Registry Number: 10544-73-7
• EC Number: 234-128-5

Properties

• Solubility: Freely soluble (120 g/L) (25 °C), Calc.^*
• Density: 1.94±0.1 g/cm³ (20 °C 760 Torr), Calc.^*
• Boiling point: 68 °C^**

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2017 ACD/Labs)

^** Kigoshi, Akiichi

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Oxidising gases	Ox. Gas	1	H270
Skin corrosion	Skin Corr.	1B	H314
Gases under pressure (compressed)	Press. Gas (Comp.)		H280
Acute toxicity	Acute Tox.	2	H310
Acute toxicity	Acute Tox.	2	H330