Sodium perborate (PBS) is a white, odorless, water-soluble chemical compound with the chemical formula NaBO3. It crystallizes as the monohydrate, NaBO3·H2O, trihydrate, NaBO3·3H2O and tetrahydrate, NaBO3·4H2O.The monohydrate and tetrahydrate are the commercially important forms
S 2225 (OTTO) Sodium perborate, tetrahydrate, 98% Cas 10486-00-7 - used in textile mills as a bleaching agent for a variety of fabrics, namely, wool, cotton, linen, rayon, etc, and as oxidizing and fixing agent for dyes.