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Substance Name: Nitrogen tetroxide
RN: 10544-72-6
UNII: M9APC3P75A
InChIKey: WFPZPJSADLPSON-UHFFFAOYSA-N

Note

  • Toxic irritant in rocket fuel.

Classification Code

  • Reportable Quantity (RQ) = 10 lb

Molecular Formula

  • N2-O4

Molecular Weight

  • 92.01
 
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Names and Synonyms

Name of Substance

  • Nitrogen tetroxide

Synonyms

  • Di-nitrogen dioxide
  • Dinitrogen tetraoxide
  • Dinitrogen tetroxide
  • EC 234-126-4
  • EINECS 234-126-4
  • HSDB 1067
  • Nitrogen dioxide, di-
  • Nitrogen oxide (N2O4)
  • Nitrogen tetraoxide
  • Nitrogen tetroxide
  • UNII-M9APC3P75A

Systematic Names

  • Dinitrogen tetraoxide
  • Nitrogen oxide (N2O4)
  • Nitrogen tetroxide

Superlist Names

  • Dinitrogen tetroxide [UN1067] [Poison gas]
  • Nitrogen dioxide
  • Nitrogen oxide
  • Nitrogen oxide NO2
  • Nitrogen tetroxide
  • Nitrogen tetroxide 10% by volume
  • RCRA waste no. P078
  • UN1067

Registry Numbers

CAS Registry Number

  • 10544-72-6

FDA UNII

  • M9APC3P75A

Other Registry Number

  • 1220110-47-3

System Generated Number

  • 0010544726

Structure Descriptors

InChI

InChI=1S/N2O4/c3-1(4)2(5)6

InChIKey

WFPZPJSADLPSON-UHFFFAOYSA-N

Smiles

[O-][N+](=O)[N+](=O)[O-]

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
dog LC50 inhalation 260mg/m3 (260mg/m3) CARDIAC: OTHER CHANGES

LUNGS, THORAX, OR RESPIRATION: ACUTE PULMONARY EDEMA

BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD		 "Spravochnik po Toksikologii i Gigienicheskim Normativam Vol. -, Pg. 6, 1999.
mouse LC50 inhalation 190mg/m3 (190mg/m3) CARDIAC: OTHER CHANGES

BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD

LUNGS, THORAX, OR RESPIRATION: ACUTE PULMONARY EDEMA		 "Spravochnik po Toksikologii i Gigienicheskim Normativam Vol. -, Pg. 6, 1999.
rabbit LC50 inhalation 320mg/m3 (320mg/m3) BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD

CARDIAC: OTHER CHANGES

LUNGS, THORAX, OR RESPIRATION: ACUTE PULMONARY EDEMA		 "Spravochnik po Toksikologii i Gigienicheskim Normativam Vol. -, Pg. 6, 1999.
rat LC50 inhalation 105mg/m3 (105mg/m3) LUNGS, THORAX, OR RESPIRATION: ACUTE PULMONARY EDEMA

CARDIAC: OTHER CHANGES

BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD		 "Spravochnik po Toksikologii i Gigienicheskim Normativam Vol. -, Pg. 6, 1999.