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4 Nitrotoluene (MF: CH₃C₆H₄NO₂; MW: 137.14) is a pale yellow orthorhombic crystal with a faint bitter almond odor; it belongs to the class of aromatic nitro compounds. It is chemically stable and can undergo reduction, oxidation, nitration, and chlorination reactions, making it a key organic intermediate in industries such as dyes, pharmaceuticals, pesticides, and polyurethanes.
| Item | Specification |
| Melting Point | 51-54°C |
| Boiling point | 238°C(lit.) |
| Density | 1.392 g/cm³(25°C) |
| Flash point | 103°C |
| Vapor pressure | ~3.33 kPa at 85°C |
| Refractive index | 1.5382(15°C)) |
| Vapor Density | 4.7 (vs air) |
| Odor | Slight bitter almond odor |
| Solubility | Solubility in water at 20°C is 0.35 g/L; readily soluble in hot ethanol, diethyl ether, benzene, and chloroform. |
| Stability | Chemically stable; decomposes at high temperatures to produce toxic gases. |
Dyes and Pigments: 4 Nitrotoluene is used to prepare key raw materials such as p-toluidine and DSD acid, which are employed in the production of various dyes, organic pigments, and fluorescent brighteners for textiles and detergents.
Polyurethane Industry: Serves as an upstream intermediate in the synthesis of toluene diisocyanate (TDI), widely used in the manufacture of polyurethane foam, elastomers, and coatings.
Pharmaceuticals and Pesticides: 4 Nitrotoluene is used to synthesize pharmaceuticals such as antipyretic analgesics and antituberculosis drugs, as well as in the production of agricultural chemicals like herbicides and fungicides.
Other Applications: Para nitrotoluene is used to produce various aromatic fine derivatives, and also serves as an additive for rubber and coatings, as well as a reagent for testing purposes.
Jinan Jinbang Chemical Co., Ltd., strategically located within the New Materials Industrial Park in Tianqiao District, Jinan City, Shandong Province, stands as a prominent chemical innovator since its establishment in 2015. Operating from a modern, expansive 37,500 m² manufacturing facility, we are dedicated to the research & development, production, and global distribution of high-performance chemical solutions.
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