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Diboron trioxide

Executive standard: Q/TY·J08.04-2015
Chines alias: 氧化硼;硼酸酐;硼酐
English alias: Boric oxide, Boron oxide, Boric anhydride
CAS RN: 1303-86-2
Hotline:86-755-26406100 Email:cata@tanyunchem.com
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Product parameters

Executive standard: Q/TY·J08.04-2015

Chines alias: 氧化硼;硼酸酐;硼酐

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:

图片1

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:

Item

1st grade

2nd grade

Boron oxide, %(m/m)

≥98.0

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