4-Aminophenol (p-Aminophenol, CAS 123-30-8)
4-Aminophenol, also known as p-Aminophenol, is a versatile organic intermediate widely used in pharmaceuticals, dyes, cosmetics, and photographic industries. This crystalline compound has the molecular formula C6H7NO and typically appears as white to light brown crystals. Exposure to air and light may gradually darken its color, so proper handling is essential.
Key Properties
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Molecular Formula: C₆H₇NO
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Molecular Weight: 109.13 g/mol
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Appearance: White to light brown crystalline powder
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Solubility: Soluble in hot water, ethanol, and ether
Applications
In the pharmaceutical industry, manufacturers use 4-Aminophenol as a primary intermediate to synthesize Paracetamol (Acetaminophen), one of the most commonly used pain relievers and fever reducers worldwide. Moreover, it plays an essential role in producing certain dyes and pigments, acting as a reducing agent in azo dye manufacturing.
In cosmetics, 4-Aminophenol serves as a colorant in permanent hair dye formulations. In addition, photographic developers rely on its chemical properties to produce high-quality images. Its wide range of applications demonstrates its importance as a chemical intermediate.
Safety and Handling
4-Aminophenol poses health risks if mishandled. Therefore, operators should wear protective gear, ensure proper ventilation, and store it in a cool, dry place. Users should consult the Material Safety Data Sheet (MSDS) before handling.
Packaging and Transport
Suppliers usually provide 4-Aminophenol in 25 kg fiber bags or customized packaging. In addition, transport must follow hazardous chemical regulations to maintain safety during shipping.
Market and Availability
Due to its extensive applications, 4-Aminophenol enjoys strong global demand, especially in pharmaceutical and dye industries. For example, countries in Asia, Europe, and North America frequently import this intermediate to support local manufacturing. Its consistent quality and versatility make it a critical component in many industrial processes.
