Sodium perborate tetrahydrate (NaBO3•4H2O)-Granules

Characteristic

 

Sodium perborate is chemical compound whose chemical formula may be written NaH2BO4, Na2H4B2O8 Its name is sometimes abbreviated as PBS.The compound is commonly encountered in anhydrous form or as a hexahydrate. They are both white, odorless, water-soluble solids.




Chemical formula:NaBO3·nH2O

Molar mass: 99.815 g/mol (monohydrate);153.86 g/mol (tetrahydrate)

Appearance: white solid

Odor: odorless

Melting point: 63 °C (145 °F; 336 K) (tetrahydrate)

Boiling point: 130 to 150 °C (266 to 302 °F; 403 to 423 K) (tetrahydrate, decomposes)

Solubility in water:2.15 g/100 mL (tetrahydrate, 18 °C)

 


Application

 

This salt is widely used in laundry detergents, as one of the peroxide-based bleaches.