... is non-toxic. Product Name: Ultramarine BlueSynonyms: Pigment Blue 29, C.I. 77007, UltramarineMolecular Formula: Na6Al6Si6O24S4CAS NO: 57455-37-5EINECS NO: 309 ... max.Moisture, %: 1.0 max.Loss on drying, 105 deg C, %: 1 max.Residue on 325 mesh sieve, %: 0.1 max ...