Description

Dinitrogen Trioxide is a reactive nitrogen oxide compound, commercially significant as a versatile nitrosating and oxidizing agent in chemical synthesis. Its primary value lies in facilitating controlled nitrosation reactions, which are critical for producing intermediates in pharmaceuticals, dyes, and specialty chemicals. This product is essential for R&D laboratories and industrial manufacturers in the fine chemical, agrochemical, and advanced materials sectors seeking precise reaction control.

Application

• Nitrosation Agent: Key reagent for introducing nitroso groups in the synthesis of pharmaceuticals, dyes, and rubber chemicals.
• Chemical Intermediate: Used in the production of other nitrogen-oxygen compounds and specialty inorganic materials.
• Laboratory Research: Employed in academic and industrial R&D for studying oxidation mechanisms and reaction kinetics.
• Catalysis: Acts as a catalyst or catalyst precursor in selective oxidation processes.
• Etching & Surface Treatment: Utilized in semiconductor and electronics manufacturing for precise etching and surface modification.

Basic Information

Product Name	Dinitrogen Trioxide
CAS No.	10544-73-7
Molecular Formula	N2O3
Molecular Weight	76.01 g/mol
Synonyms	Nitrogen sesquioxide; Nitrogen trioxide; Dinitrogen trioxide; N2O3; Nitrous anhydride (historical)
EINECS	234-128-5

Quality Control

Our Dinitrogen Trioxide is produced and handled under stringent quality protocols to ensure batch-to-batch consistency and reliability. Quality is verified through analytical methods including gas chromatography (GC) and FTIR spectroscopy. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed, appropriately rated cylinder or container, protected from light. Store in a cool, well-ventilated area, away from heat sources and incompatible materials such as strong acids, organic solvents, and reducing agents. Due to its gaseous and reactive nature, storage areas must have adequate ventilation and monitoring for leaks. Keep container valve closed when not in use.

Specification

Item	Specification
Appearance	Brown-red gas / Blue liquid (at low temp)
Identification (IR)	Conforms
Assay (GC)	≥ 98.0% (N2O3)
Nitric Oxide (NO) Content	≤ 1.5%
Nitrogen Dioxide (NO2) Content	≤ 0.5%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.