The Diantimony trioxide, with the CAS registry number 1309-64-4, is also known as Antimony(III) oxide; Antimony trioxide.It belongs to the product categories of Catalysis and Inorganic Chemistry;Chemical Synthesis;Nanomaterials;Nanoparticles: Oxides, Nitrides, and Other CeramicsNanomaterials;Nanopowders and Nanoparticle Dispersions. Its EINECS number is 215-175-0.This chemical's molecular formula is Sb₂O₃ and molecular weight is 291.52. What's more,Its systematic name is Antimony oxide. The Diantimony trioxide is harmful and irritant.There is limited evidence of a carcinogenic effect.When using, do not eat or drink,Wear suitable protective clothing and gloves.Diantimony trioxide is the most important commercial compound of Diantimony. It is found in nature as the minerals VALENTINITE and senarmontite.It is used as flame retardant for textiles, polymers, and coatings. It is also used as opacifying agent for glasses, ceramics and enamels. Besides it is usde as pigment Diantimony white and a catalyst in the production of polyethylene terephthalate.

Physical properties about Diantimony trioxide are: (1)#H bond acceptors: 3; (2)#H bond donors: 0; (3)#Freely Rotating Bonds: 2.

You can still convert the following datas into molecular structure:
(1)SMILES:O=[Sb]O[Sb]=O;
(2)Std. InChI:InChI=1S/3O.2Sb;
(3)Std. InChIKey:ADCOVFLJGNWWNZ-UHFFFAOYSA-N;

The toxicity data of Diantimony trioxide as follows: