Boron Trioxide
Another English name: Diboron trioxide , Boric oxide, Boron oxide, Boric anhydride
CAS RN: 1303-86-2
Boron oxide 1303-86-2 Diboron Trioxide
1. Physical and chemical properties:
1.1 Molecule formula : B2O3
1.2 Molecule weight : 69.62
1.3 Melting point : 450°C
1.4 Boiling point : 1860°C
1.5 Density : 1.085 gram per ml (Amorphous)
1.6 Solubility : The product can be dissolved in acid, ethanol, hot water, and slightly dissolved in cold water.
1.7 Property :It is a colorless transparent crystal 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
Technical indexes:
Term |
Index |
Boron oxide %(m/m) |
≥98 |
Sulfate %(m/m) |
≤0.7 |
Aluminum oxide %(m/m) |
≤0.1 |
Choride %(m/m) |
≤0.1 |
Undissolved matters in water% |
≤0.02 |
Size(through 180um)% |
≤85% |
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 its used as the catalyst in organic synthesis, the additive of lubricant used in high temperature, can be also used an environmental protection.
Safety notes:The product is considered toxic. It will harm bodys health by swallowing, breathing in, eyes contacting, skin contacting. To bring it into contact with eyes or skin will lead to irritation. To swallow it will lead to irritating alimentary canal. To inhale it will lead to irritation of respiratory tract. The highest allowable concentration is 15mg/m3 (OSHA) in working place. Wear safety-protective glasses, dustproof gauze musk, rubber gloves during handling it.
Storage:It should be stored in a shady, ventilating and dry storehouse. Its shelf life is one year. It can be still used if up to standard through retest after the specified date. Should start using the product in air-drying place. When radical changes of humidity occurs, it will recrystallize and agglomerate. Should pay attention to keep away from the radical changing environment during storage, and ensure good package.
Packaging & Shipping
Packaging Details: |
25kg/bag,40kg/bag |
| Delivery Detail: |
10 days after payment |
Company Information
Xiamen Ditai Chemicals Co., Ltd is a professional chemical company in China. Specializing deal and export various kinds of quality chemicals since 1997. The products Include industry chemical, Animal feed additive, Food additive, Agrochemical, Fertilizer, pharmaceuticals, water treatment and Minerals. Our management team has over 17 years of combined expertise meeting the needs of clients. We are proud our quality chemcials and service was approbated by the clients in the worldwide.
Audited Supplier 
){kind=link}