TANYUN Boron oxide(CAS 1303-86-2)/B2O3 Boric oxide Diboron trioxide B2O3 80nm 99%

    Product Description Diboron trioxide Executive standard: Q/TY·J08.04-2015 English alias: Boric oxide, Boron oxide, Boric anhydride CAS RN: 1303-86-2 1. Physical and chemical properties: 1.1 Molecular formula: B2O3 1.2 Molecular weight: 69.62 1.3 Structure formula:   1.4 Melting point: 450℃ 1.5 Boiling point:1860℃ 1.6 Density: 1.085 g/mL (Amorphous) 1.7 Solubility: Dissolved in acid, ethanol, hot water, and slightly dissolved in cold water. 1.8 Properties: Colorless crystal powder. Be greasy in the surface. With strong hygroscopicity, it is easy to be hydrolysised to form boric acid. In high temperature, it can be reduced by alkali metal or magnesium to monocrystal boron. It can be completely mixed with the oxides of metal, copper, sliver, aluminum, tin, arsenic. 2. Technical indexes:

<Span style="line-height: 24px; font-family: 'Times New Roman'; color: #000000; font-weight: normal; font-style: normal; font-size: 12pt;">Item	1st grade	2nd grade
Boron oxide, %(m/m)	≥98.0	≥95.0
Appearance	White loose powder

3. Application: It has been used as the fusion agent in decomposition of silicates, the dopant of semiconductor material, the additives of heatproof glassware and paint refractory. It has been used in production of alloy steel in metallurgical industry. In addition, it’s used as the catalyst of organic synthesis, the additive of lubricant used in high temperature, and can be also used to environmental protection. 4. Safety instructions: Toxic by ingestion, inhalation, eye and skin contact. Eye and skin contact can cause inflammation. The maximum allowable concentration of the working place is 15 mg/m3 (OSHA). Operation must be installed with rubber gloves, a respirator and eye protection by wearing protective clothing.      www.tanyunchem.com

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