Introduction and Uses
Also know as: 2,4-dinitrotoluene, DNT
Use: Organic synthesis, toluidines, dyes, explosives.
Method of purification: Crystallization.
Derivation: Nitration of nitrotoluene with mixed acid.
CAS: 121-14-2.
C6H3CH3(NO2)2.
(1) 2,4-; (2) 3,4-; (3) 3,5-.
Specification
Properties: Yellow crystals. D (1) 1.3208, (2) 1.32, (3) 1.277; mp (1) 70.5C, (2) 61C, (3) 92.3C. Soluble in alcohol and ether; very slightly soluble in water. A commercial grade, consisting of a mixture of the three isomers, is an oily liquid. Combustible.
Safety Information
Hazard: Absorbed by skin.
General Information
Synonyms: 1-methyl-2,4-dinitrobenzene
Molecular formula: C7 H6 N2 O4
CAS No: 121-14-2
EC No: 204-450-0
Physical data
Appearance: solid
Melting point: 67-70 C
Vapour pressure: 1 mm at 103C
Stability
Stable. Incompatible with oxidizing agents, reducing agents, strong bases.
Toxicology
Highly toxic. Possible carcinogen. Reproductive hazard. Danger of cumulative effects. May cause sensitization by inhalation or skin contact.
ORL-RAT LD50 268 mg/kg.
R22 R23 R24 R33 R42 R43 R45.
Personal protection
Safety glasses, gloves, fume cupboard. S26 S27 S36 S37 S39 S45