Supply Diboron Trioxide

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Executive standard : Q/TY.J08.04-2010
English name : Diboron trioxide
Another English name : Boric oxide, Boron oxide, Boric anhydride
CAS RN :1303-86-2
1. Physical and chemical properties :
1.1 Molecule formula : B2O3
1.2 Molecule weight : 69.62

1.3Melting point : 450A C
1.4 Boiling point :1860A C
1.5Density :1.085 gram per ml (Amorphous)
1.6Solubility : The product can be dissolved in acid, ethanol, hot water, and slightly dissolved in cold water.

1.7 Property : It is a colorless transparent powder. Its surface has greasy feeling its hygroscopicity is strong and it is easy to be hydrolyzed to form boric acid. In high temperature, it can be reduced by alkali metal or magnesium to monocrystal boron, It can be completely mixed dissolved with the oxides of metal, copper, sliver, aluminum, tin, arsenic.
2. Technical indexes :
Term
Index I
Index II

Boron oxide %(m/m)
a Y98
a Y95

Size(through 180um) %
a Y85
a Y85
3. Uses : It is used as the flux in decomposition of silicates the mixing agent of semiconductor material,the additives of heatproof glassware and paint refractory. It is also used in production of alloy steel in metallurgical industry. In addition ita s used as the catalyst in organic synthesis, the additive of lubricant used in high temperature, can be also used an environmental protection.
4. Safety notes :The product is considered toxic. It will harm bodya s