Basic Info:

  • Chemical Synonym(s): 4-amino-phenosulfate(2:1)(salt);Phenol,4-amino-,sulfate(2:1)(salt);Bis[(4-hydroxyphenyl)ammonium] sulphate;4-AMINOPHENOL SULFATE;SULFURIC ACID MONO-(4-AMINO-PHENYL) ESTER;P-AMINOPHENOL SULFATE;ρ-Aminophenolsulphate ;4-AMINOPHENOL-ORTHO-SULPHATE
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  • CAS Number: 63084-98-0
  • Chemical Formula:



Storage temp.
Keep in dark place,Inert atmosphere,Room temperature
CAS DataBase Reference
63084-98-0(CAS DataBase Reference)
EPA Substance Registry System
p-Aminophenol sulfate (2:1) (63084-98-0)
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P-Aminophenol sulfate is an organic compound that belongs to the class of phenols. It possesses a slightly acidic nature due to its phenolic hydroxyl group and forms salts with alkali metals and ammonia and acid addition salts with mineral acids such as HCl. 

It is a colorless crystalline solid with a soapy feel and an odor of phenols. It has a density of 1.11 g/cm3, is easily soluble in water, ethanol, ether, and acetone, moderately soluble in benzene and carbon tetrachloride, and sparingly soluble in vegetable oils. 

It has many uses in medicine and antiseptic purposes. It can be used as an analgesic and antipyretic agent, while its sulfates are used for their antiseptic properties. 


P-aminophenol sulfate is a potent antioxidant and also an aminophenolate esterase inhibitor. It has been used medicinally for years to treat the lungs or chest problems that cause excessive bronchial secretions or inflammation of the air passages. In addition, it shows good promise as a therapeutic agent in treating. 

It is used in products that require antibacterial agents, including tubes of toothpaste, mouthwashes, detergents. It's also used as an antiseptic for cuts and wounds as well as irritated skin.

The chemical property that makes it suitable is its antibacterial property, which is due to the release of ammonia gas when it comes in contact with sodium hydroxide solutions or strong acids.

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