Name | dinitrogen trioxide |
Synonyms | o2Nno dinitrogen trioxide NITROGENSESQUIOXIDE 1,3-Diaza-2,4,5-trioxabicyclo[1.1.1]pentane Trioxido-1kappa(2)o,2kappao-dinitrogen(N--N) |
CAS | 10544-73-7 |
EINECS | 234-128-5 |
Molecular Formula | N2O3 |
Molar Mass | 76.01 |
Density | 1.400 |
Melting Point | -103.15°C |
Boling Point | 2°C (estimate) |
Appearance | morphological gas |
Physical and Chemical Properties | EPA Chemical Information Nitrogen trioxide (10544-73-7) |
UN IDs | 2421 |
Hazard Class | 2.3 |
Raw Materials | NITROUS OXIDE Hexafluorodisiloxane Silicon Tetrafluoride TRIFLUOROSILANE NITRIC OXIDE NITROUS ACID Nitrogen Tetroxide |
method 1? 2HNO 3 As 2 O 3 2H 2 O & rarr;2H 3 AsO 4 N 2 O 3
nitric acid (density 1.30~1.35g/cm3) is added dropwise to the pulverized As 2 O 3, slightly heated to about 70 c, the reaction starts to generate N 2 O 3.
method 2? 2NOHSO 4 H 2 O & rarr;2H 2 SO 4 N 2 O 3
Put the fuming nitric acid into a flask with a dropping funnel and an airway, and pass SO 2 until a paste is formed (nitrosyl sulfuric acid is formed). Then add water drop by drop from the drip funnel to generate N 2 O 3.