Nitrogen Tetroxide suppliers
Nitrogen Tetroxide
- CAS:
- 10544-72-6
- MF:
- N2O4
- MW:
- 92.01
Properties
- Melting point:
- −11 °C(lit.)
- Boiling point:
- 21 °C(lit.)
- Density
- 2.62 g/mL at 25 °C(lit.)
- vapor density
- 1.58 (21 °C, vs air)
- vapor pressure
- 14.33 psi ( 20 °C)
- solubility
- reacts with H2O
- form
- gas
- color
- colorless liquid; equil with NO
- Water Solubility
- reac H2O [CRC10]
- Dielectric constant
- 2.5（15℃）
Safety Information
- Symbol(GHS)
GHS03,GHS05,GHS04,GHS06
- Signal word
- Danger
- Hazard statements
- H270-H314-H330
- Precautionary statements
- P260-P264-P280-P301+P330+P331-P303+P361+P353-P363-P304+P340-P310-P321-P305+P351+P338-P405-P501-P220-P244-P370+P376-P403-P260-P271-P284-P304+P340-P310-P320-P403+P233-P405-P501
- Hazard Codes
- T+
- Risk Statements
- 26-34
- Safety Statements
- 9-26-28-36/37/39-45
- RIDADR
- UN 1067 2.3
- WGK Germany
- 1
- RTECS
- QX1575000
- HS Code
- 28112900
- Toxicity
- dog,LC50,inhalation,260mg/m3 (260mg/m3),CARDIAC: OTHER CHANGESLUNGS, THORAX, OR RESPIRATION: ACUTE PULMONARY EDEMABEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD,"Spravochnik po Toksikologii i Gigienicheskim Normativam Vol. -, Pg. 6, 1999.
Use
dinitrogen tetroxide: A colourlessto pale yellow liquid or a brown gas,N2O4; r.d. 1.45 (liquid); m.p. –11.2°C;b.p. 21.2°C. It dissolves in water withreaction to give a mixture of nitricacid and nitrous acid. It may be readilyprepared in the laboratory by thereaction of copper with concentratednitric acid; mixed nitrogen oxidescontaining dinitrogen oxide may alsobe produced by heating metal nitrates.The solid compound is whollyN2O4 and the liquid is about 99%N2O4 at the boiling point; N2O4 is diamagnetic.In the gas phase it dissociatesto give nitrogen dioxideN2O4?2NO2Because of the unpaired electron thisis paramagnetic and brown. LiquidN2O4 has been widely studied as anonaqueous solvent system (selfionizesto NO+ and NO3-). Dinitrogentetroxide, along with other nitrogenoxides, is a product of combustionengines and is thought to be involvedin the depletion of stratosphericozone.
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