... Sodium Sulphate Anhydrous sed as filler of detergent, the making of sodium sulphide, water glass, or used in papermaking, glass Sodium Sulphate Anhydrous GLAUBER SALT1) Purity: 99 ... %min. 2) Cas No.:7757-82-63) Chemical Formula: Na2SO44) White fine crystal or ... , glass, pharmaceuticals, leather and rubber. Sodium Sulphate Anhydrous 99% GLAUBER SALT