2,4-Dinitrotoluene

2,4-Dinitrotoluene
Names
Preferred IUPAC name
1-Methyl-2,4-dinitrobenzene
Other names
Dinitrotoluol, Methyldinitrobenzene
Identifiers
3D model (JSmol)
ChEBI
ChEMBL
ChemSpider
ECHA InfoCard 100.004.046 Edit this at Wikidata
KEGG
UNII
UN number Molten: 1600
Solid or liquid: 2038
  • InChI=1S/C7H6N2O4/c1-5-2-3-6(8(10)11)4-7(5)9(12)13/h2-4H,1H3 checkY
    Key: RMBFBMJGBANMMK-UHFFFAOYSA-N checkY
  • InChI=1/C7H6N2O4/c1-5-2-3-6(8(10)11)4-7(5)9(12)13/h2-4H,1H3
    Key: RMBFBMJGBANMMK-UHFFFAOYAC
  • Cc1ccc(cc1[N+](=O)[O-])[N+](=O)[O-]
Properties
C7H6N2O4
Molar mass 182.134 g/mol
Appearance Pale yellow to orange crystalline solid
Density 1.52 g/cm3[1]
Melting point 70 °C (158 °F; 343 K)[1]
Boiling point Decomposes at 250–300 °C[1]
Vapor pressure 1.47X10-4 mm Hg @ 22 C

[2]

Hazards
Occupational safety and health (OHS/OSH):
Main hazards
 carcinogen, combustible (though difficult to ignite)[3]
Flash point 207 °C; 404 °F; 480 K
Lethal dose or concentration (LD, LC):
1,954 mg/kg (oral, mouse)[4]
27 mg/kg (cat, oral)[4]
NIOSH (US health exposure limits):
PEL (Permissible)
 TWA 1.5 mg/m3 [skin][3]
REL (Recommended)
 Ca TWA 1.5 mg/m3 [skin][3]
IDLH (Immediate danger)
 Ca [50 mg/m3][3]
Explosive data
Shock sensitivity Insensitive
Friction sensitivity Very low
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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2,4-Dinitrotoluene (DNT) or dinitro is an organic compound with the formula C7H6N2O4. This pale yellow crystalline solid is well known as a precursor to trinitrotoluene (TNT) but is mainly produced as a precursor to toluene diisocyanate.

  1. ^ a b c Record of 2,4-Dinitrotoluene in the GESTIS Substance Database of the Institute for Occupational Safety and Health, accessed on 9. October 2007.
  2. ^ Pella, PA. J. Chem. Thermodyn. 9: 301-305, 1977
  3. ^ a b c d NIOSH Pocket Guide to Chemical Hazards. "#0235". National Institute for Occupational Safety and Health (NIOSH).
  4. ^ a b "Dinitrotoluene (mixed isomers)". Immediately Dangerous to Life or Health Concentrations (IDLH). National Institute for Occupational Safety and Health (NIOSH). 4 December 2014. Retrieved 17 March 2015.