Detail
Introduction
N. The C atom is attached to the benzene ring
Chinese Name: p-nitrotoluene; 4-nitrotoluene; 1-methyl-4-nitrobenzene; P-methylnitrobenzene
English Name: p-nitrotoluene; 4-Nitrotoluene； 1-methyl-4-nitro-Benzene； p-nitro-toluen-methyl-4-nitrobenzene； 4methylnitrobenzene； 1-methyl-4-nitro-benzen
Molecular formula ch3c6h4no2; C7H7NO2
UN No. 3446
[Nature] [2]
Yellow diagonal facade crystal.
Density 1.392 g / cm3. [relative density (water = 1) 1.29; relative density (air = 1) 4.72]
The melting point is 51.7 ℃.
Boiling point 238.5 ℃.
Refractive index Nd (15 ℃) = 1.5382.
Steam pressure: 0.13kpa/53.7 ℃.
Flash point 106 ℃.
Flammable. Combustion heat: 3714.3 kJ / mol; Ignition temperature: 390 ℃
Insoluble in water, soluble in ethanol, ether, chloroform and benzene. Bitter almond flavor, layered with water in the lower layer.
Preparation method
Toluene was nitrated [1] with mixed acid [3], and p-nitrotoluene was obtained through separation, and o-Nitrotoluene was produced simultaneously.
Use
Mainly used for manufacturing p-toluidine; Toluene diisocyanate; Xylidine; P-nitrobenzoic acid; P-nitrotoluene-2-sulfonic acid; 2-nitro-p-toluidine; 3-chloro-4-nitrotoluene; Dinitrotoluene, etc., also used as dye intermediates and pesticides; Medicine; Intermediates of plastics and synthetic fiber additives.
Message
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Chemical Intermediate Department
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Postcode：125000
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