2-Nitrotoluene CAS 88-72-2
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- Appearance: Yellow liquid
- Assay: 99. 0%min
- Stock: In stock
- Sample: Available
- Zhishang Chemical: 2-Nitrotoluene Supplement
2-Nitrotoluene: The Complete Guide
Index of 2-Nitrotoluene Contents
2-Nitrotoluene for Sale
Basic Info of 2-Nitrotoluene
Methyl o-nitrobenzene; o-Hydroxytoluene; 2-nitrotoluene; o-methylnitrobenzene; 2-nitrotoluene dangerous goods; 2-nitrotoluene in methanol; o-nitrotoluene-GCS;2- Nitrotoluene Standard
Organic Chemical Raw Materials
What is 2-Nitrotoluene?
Ortho-nitrotoluene, also known as 2-nitrotoluene, 1-methyl-2-nitrobenzene, o-methylnitrobenzene, methyl-o-nitrobenzene, o-Hydroxytoluene, o-nitrobenzene, o-nitrotoluene . Slightly soluble in water (0.061 at 30°C), soluble in benzene, chloroform and petroleum ether, miscible with ethanol and ether. Evaporates with water vapor.
Due to the strong electron-withdrawing property of the nitro group, the methyl group is easily oxidized. According to the oxidation conditions, o-nitrobenzaldehyde or o-nitrobenzoic acid can be generated; when reduced under the action of a catalyst, o-toluidine can be generated, and continued nitration to generate 2,4 or 2,6 dinitrotoluene; can also be chlorinated to generate nitrobenzyl chloride; can also generate azo compounds. Oral LD50 of rats is 801 mg/kg. o-Nitrotoluene is mainly used as a dye raw material to prepare dyes such as 4-chloro-2-nitrotoluene, 6-chloro-2-nitrotoluene, o-toluidine, bi-o-toluidine and 2,6-dichlorobenzaldehyde Intermediate; 4-chloro-2-nitrotoluene is also a pharmaceutical raw material; o-toluidine is also a raw material for pesticides and fungicides and a fragrance raw material; preparation of 2,2′-dinitrobenzyl, o-nitrobenzyl bromide and bromohexyl alkane and other pharmaceutical raw materials; preparation of indole as a raw material for amino acids and plant growth regulators; preparation of dinitrotoluene as a raw material for gunpowder; o-toluidine can also be used as a vulcanization accelerator; preparation of o-nitrobenzoic acid as a pharmaceutical raw material.
- 2-Nitrotoluene can be used as an intermediate for dyes and pesticides, as well as in the production of coatings, plastics and medicines, etc.
- 2-Nitrotoluene is mainly used in the production of o-toluidine and bitoluidine, and is an important raw material for dyes, coatings, plastics and medicines. In the pharmaceutical industry, it is used for the production of nifedipine, tongining, imipramine hydrochloride, bromhexylamine hydrochloride, diclofenac sodium penicillin, etc.
- 2-Nitrotoluene is used in industries such as dyes, pharmaceuticals, pesticides and plastics.
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Application of 2-Nitrotoluene
2-Nitrotoluene can be used as a raw material to synthesize other compounds such as o-nitrobenzaldehyde, o-nitrobenzoic acid, and dinitrotoluene. Examples of its application are as follows:
Using 2-Nitrotoluene as raw material, select metal phthalocyanine of general formula (I) structure, mononuclear metalloporphyrin of general formula (II), (III) structure or μ-oxybinuclear metalloporphyrin of general formula (IV) structure any of them as a catalyst.
In the formula, M1, M2, M3, M4, M5 are transition metal atoms, M1=Fe, Co, Cu, Zn, M2=Fe, Mn, Co, Cu, Zn, M3=Fe, Mn, Co, M4 and M5 Can be the same or different, when the same, M4=M5=Fe, Mn, Co, different, M4=Fe, M5=Mn or M4=Fe, M5=Co, R can be carboxyl or hydrogen, R1, R2 can be hydrogen, halogen, nitro, hydroxyl, alkoxy, and the ligand X is chlorine. The amount of catalyst used is 0.2 to 1.0% of the weight of 2-Nitrotoluene, and methanol is used as solvent. In the alkaline methanol solution, 0.8～3.0MPa oxygen gas is introduced, the reaction temperature is controlled to be 25～60°C, and the reaction time is 6～48h to obtain the crude product of o-nitrobenzaldehyde. After separation and purification by conventional methods, o-nitrobenzaldehyde fine products are obtained.