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We are professional manufacturer of Inorganic and Organic chemicals. Our products include Potassium Hydroxide, Calcium Nitrate, Antimony Oxide, Antimony Trioxide, Potassium Nitrate, Pentaerythritol, Iron oxide, Carbon Black, Potassium Hydroxide, EVA Resin, DBDPO and so on. Description: Antimony trioxide is the inorganic compound with the formula Sb2O3. It is the most important commercial compound of antimony. It is found in nature as the minerals valentines and senarmontite. [1] Like most polymeric oxides, Sb2O3 dissolves in aqueous solutions only with hydrolysis. Product Description Antimony Trioxide (ATO) Chemical name: Diantimony trioxide Molecular Formula: Sb2O3 HS Code: *********0. CAS No.: ********4. Antimony Trioxide UN No.: ***9. Molecular weight: **1.5 Mohs hardness: **2.5 Melting point (Degree Celsius): **6 Conductivity: Poor Boiling point (Degree Celsius): ***5 Pigmentation: High Solubility: Soluble in hydrochloric acid, tartaric acid and caustic alkali; Insoluble in water and nitric acid Item Content MODEL *9% *9.5% *9.8% Sb2O3 (%) *9%min Min *9.*0 Min *9.*0 As2O3 (%) 0.*8%max Max 0.*6 Max 0.*5 PbO (%) 0.*0%max Max 0.*0 Max 0.*8 Fe2O3 (%) 0.*1%max Max 0.**6 Max 0.**5 CuO (%) 0.**8%max Max 0.**2 Max 0.**2 Se (%) 0.*1%max Max 0.**5 Max 0.**4 Whiteness (%) Min*3.0 Min *5.0 Min *6.0 Mean particle diameter (μ M) 0.**1.1 0.**2.5 0.**2.5 Application: 1. Used as a fire retardant in the membranes of plastic industry, the enclosures of electric devices and household electric appliances, such as PVC, PP, PE, PS, ABS, PU, 2. Used as filling, covering agents and retardants for rubber, ceramics, enamels, fabrics, and fiber products. 3. Used as pigments and retardant in oil paint and coating material industry. 4. Used as retardants in synthetic resin and papers. 5. Used as catalytic agent in organic synthesis. Feel free to contact for details, Regards,