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Boron Trioxide Powder

Product	Boron Trioxide Powder
CAS No.	1303-86-2
Appearance	White Powder
Purity	≥99%, ≥99.9%, ≥95% (Other purities are also available)
APS	75um , 1-5 µM, 10-53 µM (Can be customized), Ask for other available size range.
Ingredient	B2O3
Product Code	NCZ-NSC400-/20

Boron Trioxide Powder Description :

Boron trioxide Powder is one of the oxides of boron. It is a white, glassy solid with the formula B₂O₃.

It is almost always found as the vitreous (amorphous) form; however, it can be crystallized after extensive annealing (that is, under prolonged heat).

Another method is heating boric acid above ~300 °C. Boric acid will initially decompose into steam, (H₂O_(g)) and metaboric acid (HBO₂) at around 170 °C and further heating above 300 °C will produce more steam and diboron trioxide. The reactions are:

H₃BO₃ → HBO₂ + H₂O

2 HBO₂ → B₂O₃ + H₂O

Boric acid goes to anhydrous microcrystalline B₂O₃ in a heated fluidized bed. A carefully controlled heating rate avoids gumming as water evolves.

Molten boron oxide attacks silicates. Internally graphitized tubes via acetylene thermal decomposition are passivated.

Crystallization of molten α-B₂O₃ at ambient pressure is strongly kinetically disfavored (compare liquid and crystal densities).

The threshold conditions for the crystallization of the amorphous solid are 10 kbar and ~200 °C.

Its proposed crystal structure in enantiomorphic space groups has been revised to enantiomorphic space groups P3₁21(#152); P3₂21(#154) (e.g., α-quartz).

Boron oxide will also form when diborane (B₂H₆) reacts with oxygen in the air or trace amounts of moisture.

Boron Trioxide Powder Related Information

Storage Conditions:

Airtight sealed, avoid light, and keep dry at room temperature.

Please contact us for customization and price inquiry

Email: contact@nanochemazone.com

Note: We supply different size ranges of Nano and micron as per the client’s requirements and also accept customization in various parameters.

Description

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Customization:

If you are planning to order large quantities for your industrial and academic needs, please note that customization of parameters (such as size, length, purity, functionalities, etc.) is available upon request.

NOTE:

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