P-aminophenol
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Pharmaceutical Chemicals
P-aminophenol can be widely used in the synthesis of medicine, dyes, rubber additives, photosensitive materials, oil antioxidants, hair dyes, vinyl monomer polymerization inhibitors and many other fine chemicals.
| Traits | Creamy white or light brown crystal |
| TEST ITEMS | TEST STANDARDS | TEST RESULTS |
| Traits | Creamy white or light brown crystal | Conforms |
| Conten | ≥96.00% | 97.34% |
| Purity | ≥97.00% | 99.76% |
| Drying quality | ≤1.00% | 0.55% |
| Sulfate Ash | ≤2.5% | 0.8% |
| Sodium metabisulfite | 0.5~1.5% | 0.8% |
| Transmittance | ≥95.0% | 98.1% |
| Melting range | 183.0~190.2℃ | 183.1~189.1℃ |
| Conclusion | Qualified | |
As a pharmaceutical intermediate, P-aminophenol can be used in the synthesis of paracetamol (acetaminophen), propanolol (acetaminophen salicylate), propanolol, complex nicotinamide, liuamphenol, antamine, vitamin B1 and other drugs.
P-aminophenol can synthesize p-phenylenediamine rubber antioxidant H, 4010, 4010NA, 4030, 4020, etc.
P-aminophenol has a strong reductive property. In the synthesis of other fine and special chemicals, 4-aminophenol can be used to synthesize 4- (n-methylamine) phenol and its salts, which can be used as a photographic developer, and can inhibit the corrosion of steel by chloride-containing acid solution, and can be used as an intermediate of hair dye. The synthesized 4-aniline phenol can be used as an antioxidant for petroleum and lubricating oil and as an inhibitor of vinyl monomer polymerization.
