CAS 98-95-3 Nitrobenzene
Introduction
Chemical Name: Nitrobenzene
CAS Registration Number: 98-95-3
Product Specifications:
| Appearance | Light yellow liquid | |
| Mass fraction of moisture (%) | ≤ | 0.10 |
| Content of nitrobenzene,% (m/m) | ≥ | 99.50 |
| Crystallization point of dry product (°C) | ≥ | 5.4 |
| PH value | 5-9 | |
| Total nitrotoluene, % (m/m) | ≤ | 0.10 |
| Content of low-boiling residues, % (m/m) | ≤ | 0.1 |
| Content of high-boiling residues, % (m/m) | ≤ | 0.1 |
◆Performance & Application:
-Nitrobenzene is an important chemical raw material, which can be used to produce a variety of pharmaceutical and fuel intermediates, as well as rubber accelerators, paints, explosives, etc.
-The main use of nitrobenzene is to hydrogenate it to aniline.
◆Packaging:
-Packed in clean and dry steel drums or transported by tank.
◆Application fields
Nitrobenzene is an important organic intermediate. Nitrobenzene is sulfonated with sulfur trioxide to obtain 3-nitrobenzene sulfonic acid. It can be used as a mild oxidant for dye intermediates and anti-dyeing salt S. Nitrobenzene is sulfonated with chlorosulfonic acid to obtain m-nitrobenzene sulfonyl chloride, which is used as an intermediate for dyes, medicines, etc. Nitrobenzene is chlorinated to obtain 3-nitrochlorobenzene, which is widely used in the production of dyes and pesticides. After reduction, m-chloroaniline can be obtained. It is used as the orange base GC of dyes and is also an intermediate for medicines, pesticides, fluorescent brighteners, organic pigments, etc. Nitrobenzene can be re-nitrated to obtain m-dinitrobenzene, which can be reduced to obtain m-phenylenediamine, which is used as a dye intermediate, epoxy resin curing agent, petroleum additive, cement accelerator, and m-dinitrobenzene can be partially reduced with sodium sulfide to obtain m-nitroaniline. It is the orange base R of dyes and is an intermediate for azo dyes and organic pigments.
◆Safety precautions
When handling nitrobenzene, you should use personal protective equipment, such as gas detection tubes and portable gas detectors.
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