D

Dinitrogen tetroxide

N2O4 Inorganic Compounds CAS 10544-72-6
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Quick Reference
Formula / NotationN2O4
CAS Number10544-72-6
Molecular Weight92.011
Melting Point11.8 °F (USCG, 1999)
Boiling Point70.1 °F at 760 mmHg (USCG, 1999)
Density1.45 at 68 °F (USCG, 1999) - Denser than water; will sink
SolubilityReacts with water
AppearanceNitrogen tetroxide appears as red-brown liquid with a sharp, unpleasant chemical odor. Low-boiling (boiling point 21.15 °C) and held as a liquid by compression. Density 1.448 g / cm3. Consists of ...
Also Known AsNITROGEN TETROXIDE; Dinitrogen tetraoxide; 10544-72-6; Nitrogen oxide (N2O4); Nitrogen tetraoxide; Nitrogen dioxide, di-; Distickstofftetroxid; M9APC3P75A; O2NNO2; CHEBI:29803
CategoryInorganic Compounds

What is Dinitrogen tetroxide?

Dinitrogen tetroxide (N2O4) is an inorganic compound that appears as Nitrogen tetroxide appears as red-brown liquid with a sharp, unpleasant chemical odor. Low-boiling (boiling point 21.15 °C) and held as a liquid by compression. Density 1.448 g / cm3. Consists of .... It has a molecular weight of 92.011 g/mol. Boiling point: 70.1 °F at 760 mmHg (USCG, 1999). Melting point: 11.8 °F (USCG, 1999).

Formula & Notation

N2O4

Other Names / Synonyms: NITROGEN TETROXIDE; Dinitrogen tetraoxide; 10544-72-6; Nitrogen oxide (N2O4); Nitrogen tetraoxide; Nitrogen dioxide, di-; Distickstofftetroxid; M9APC3P75A; O2NNO2; CHEBI:29803

Properties & Characteristics

Appearance: Nitrogen tetroxide appears as red-brown liquid with a sharp, unpleasant chemical odor. Low-boiling (boiling point 21.15 °C) and held as a liquid by compression. Density 1.448 g / cm3. Consists of .... Molecular formula: N2O4. Molecular weight: 92.011 g/mol. Boiling point: 70.1 °F at 760 mmHg (USCG, 1999). Melting point: 11.8 °F (USCG, 1999). Density: 1.45 at 68 °F (USCG, 1999) - Denser than water; will sink. Solubility: Reacts with water. Vapor pressure: 1551 mmHg (USCG, 1999). LogP: 0.4.

Physical Data

PropertyValue
Melting Point11.8 °F (USCG, 1999)
Boiling Point70.1 °F at 760 mmHg (USCG, 1999)
Density1.45 at 68 °F (USCG, 1999) - Denser than water; will sink
Molecular Weight92.011
SolubilityReacts with water
AppearanceNitrogen tetroxide appears as red-brown liquid with a sharp, unpleasant chemical odor. Low-boiling (boiling point 21.15 °C) and held as a liquid by compression. Density 1.448 g / cm3. Consists of ...

Uses & Applications

Used in industrial processes, materials science, semiconductor manufacture, ceramics, or as a catalyst.

Safety Information

May be corrosive, toxic, or an oxidising agent. Handle in well-ventilated area. Consult SDS before use.

Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.

Key Facts

Term Dinitrogen tetroxide
Formula N2O4
CAS Number 10544-72-6
Molecular Weight 92.011
Synonyms NITROGEN TETROXIDE; Dinitrogen tetraoxide; 10544-72-6; Nitrogen oxide (N2O4); Nitrogen tetraoxide; Nitrogen dioxide, di-; Distickstofftetroxid; M9APC3P75A; O2NNO2; CHEBI:29803

Frequently Asked Questions

Dinitrogen tetroxide (N2O4) is an inorganic compound that appears as Nitrogen tetroxide appears as red-brown liquid with a sharp, unpleasant chemical odor. Low-boiling (boiling point 21.15 °C) and held as a liquid by compression. Density 1.448 g / cm3. Consists of .... It has a molecular weight of 92.011 g/mol. Boiling point: 70.1 °F at 760 mmHg (USCG, 1999). Melting point: 11.8 °F (USCG, 1999).

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Editorial standards: Chemical data is sourced from peer-reviewed literature, CAS Registry, NIST WebBook, and PubChem. Safety information reflects guidance from OSHA, ECHA, and IAEA. For educational purposes only — always consult official SDS documentation and qualified professionals before handling chemicals.