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7631-86-9 - Silicon(IV) oxide, powder, 0.5 micron, 99.9% - L16985 - Alfa Aesar

L16985 Silicon(IV) oxide, powder, 0.5 micron, 99.9%

CAS-Nummer
7631-86-9
Synonyme

Größe Preis ($) Menge Verfügbarkeit
25g 51,20
100g 172,00
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Silicon(IV) oxide, powder, 0.5 micron, 99.9%

MDL
MFCD00011232
EINECS
231-545-4

Chemische Eigenschaften

Formel
SiO2
Molmasse
60.09
Schmelzpunkt
1710°
Siedepunkt
2230°
Dichte
2.0
Löslichkeit
Insoluble in water.

Anwendungen

Silicon(IV) oxide is used in the manufacture of glass for windows, drinking glasses, beverage bottles and many other materials. Optical fibers for telecommunication are made from silica. It is also used as a raw material for many ceramics such as earthenware, stoneware and porcelain. In addition, silica is a common additive in the production of foods and pharmaceutical products.

Bemerkungen

It is a very stable compound of silicon.

Literaturverweise

High purity, spherical silica powder of narrow particle size distribution.

Ojovan, M. I. Glass formation in amorphous SiO2 as a percolation phase transition in a system of network defects. J. Exp. Theor. Phys. Lett. 2004, 79 (12), 632-634.

Nandiyanto, A. B. D.; Kim, S. G.; Iskandar, F.; Okuyama, K. Synthesis of spherical mesoporous silica nanoparticles with nanometer-size controllable pores and outer diameters. Micropor. Mesopor. Mat. 2009, 120 (3), 447.

GHS Gefahren- und Sicherheitshinweise

Gefahrenhinweise (EU): H373

May cause damage to organs through prolonged or repeated exposure.

Sicherheitshinweise: P260-P314-P501a

Do not breathe dust/fume/gas/mist/vapours/spray. Get medical advice/attention if you feel unwell. Dispose of contents/container in accordance with local/regional/national/international regulations.

Weitere Referenzen

Merck
14,8493
Harmonized Tariff Code
2811.22
TSCA
Yes

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