Dinitrotoluene
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| 1-methyl-2,6-dinitro benzene IUPAC name |
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| Chemical formula | C7H6N2O4 |
| Molecular mass | 182.134 g/mol |
| Shock sensitivity | Insensitive |
| Friction sensitivity | Very low |
| Density | 1.32g/cm3 |
| Explosive velocity | ? |
| RE factor | ? |
| Melting point | 67-70°C |
| Autoignition temperature | Decomposes at 250-300°C |
| Appearance | pale yellow to orange crystalline solid |
| CAS number | 25321-14-6 |
| PubChem | 8461 |
| SMILES | CC1=C(C=C(C=C1)[N+] (=O)[O-])[N+](=O)[O-] |
Dinitrotoluene or Dinitro is an explosive with the formula C6H3(CH3)(NO2)2. At room temperature it is a pale yellow to orange crystalline solid. It is a high explosive. It is one of the precursors for trinitrotoluene (TNT), which is synthesized through three separate nitrations of toluene. The first product is mononitrotoluene, DNT is the second, and TNT is the third and final product.
Most DNT is used in the production of Toluene diisocyanate which is used to produce flexible polyurethane foams. DNT is hydrogenated to produce toluene diamine, which in turn is phosgenated to form Toluene diisocyanate. Other uses include the explosives industry, dyes and plastics. It is not used by itself as an explosive, but is converted to TNT, or used as an additive with other compounds.
There are 6 possible isomers of dinitrotolulene. The most common one is 2,4-dinitrotoluene (CAS 121-14-2).
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