Nitrogen dioxide
| Formula / Notation | NO2 |
|---|---|
| CAS Number | 10102-44-0 |
| Molecular Weight | 46.006 |
| Melting Point | 15.3 °F (EPA, 1998) |
| Boiling Point | 70.07 °F at 760 mmHg (EPA, 1998) |
| Density | 1.448 at 68 °F (EPA, 1998) - Denser than water; will sink |
| Solubility | Reacts with water (NIOSH, 2024) |
| Appearance | Nitrogen dioxide appears as a reddish brown gas or yellowish-brown liquid when cooled or compressed. Shipped as a liquefied gas under own vapor pressure. Vapors are heavier than air. Toxic by inhal... |
| Also Known As | Nitrogen peroxide; DTXSID7020974; Dioxide, Nitrogen; Peroxide, Nitrogen; Nitrogen oxide (NO2); Azoto; Peroxyde d' azote; Dioxido de nitrogeno; RefChem:6473; Nitrogen peroxide, liquid |
| Category | Inorganic Compounds |
What is Nitrogen dioxide?
Nitrogen dioxide (NO2) is an inorganic compound that appears as Nitrogen dioxide appears as a reddish brown gas or yellowish-brown liquid when cooled or compressed. Shipped as a liquefied gas under own vapor pressure. Vapors are heavier than air. Toxic by inhal.... It has a molecular weight of 46.006 g/mol. Boiling point: 70.07 °F at 760 mmHg (EPA, 1998). Melting point: 15.3 °F (EPA, 1998).
Formula & Notation
Other Names / Synonyms: Nitrogen peroxide; DTXSID7020974; Dioxide, Nitrogen; Peroxide, Nitrogen; Nitrogen oxide (NO2); Azoto; Peroxyde d' azote; Dioxido de nitrogeno; RefChem:6473; Nitrogen peroxide, liquid
Properties & Characteristics
Physical Data
| Property | Value |
|---|---|
| Melting Point | 15.3 °F (EPA, 1998) |
| Boiling Point | 70.07 °F at 760 mmHg (EPA, 1998) |
| Density | 1.448 at 68 °F (EPA, 1998) - Denser than water; will sink |
| Molecular Weight | 46.006 |
| Solubility | Reacts with water (NIOSH, 2024) |
| Appearance | Nitrogen dioxide appears as a reddish brown gas or yellowish-brown liquid when cooled or compressed. Shipped as a liquefied gas under own vapor pressure. Vapors are heavier than air. Toxic by inhal... |
Uses & Applications
Safety Information
Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.
Key Facts
Frequently Asked Questions
Nitrogen dioxide (NO2) is an inorganic compound that appears as Nitrogen dioxide appears as a reddish brown gas or yellowish-brown liquid when cooled or compressed. Shipped as a liquefied gas under own vapor pressure. Vapors are heavier than air. Toxic by inhal.... It has a molecular weight of 46.006 g/mol. Boiling point: 70.07 °F at 760 mmHg (EPA, 1998). Melting point: 15.3 °F (EPA, 1998).
Used in industrial processes, materials science, semiconductor manufacture, ceramics, or as a catalyst.
May be corrosive, toxic, or an oxidising agent. Handle in well-ventilated area. Consult SDS before use.
The formula or notation for Nitrogen dioxide is: NO2