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7631-86-9 - Silicon(IV) oxide, Puratronic®, 99.999% (metals basis) - 10856 - Alfa Aesar

10856 Silicon(IV) oxide, Puratronic®, 99.999% (metals basis)

CAS Number
7631-86-9
Synonyms

Size Price ($) Quantity Availability
25g 143.00
100g 446.00
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Silicon(IV) oxide, Puratronic®, 99.999% (metals basis)

MDL
MFCD00011232
EINECS
238-878-4

Chemical Properties

Formula
SiO2
Formula Weight
60.09
Form
Powder
Melting point
1710°
Boiling Point
2230°
Solubility
Silica is poorly soluble in water. The solubility is higher for the amorphous form compared to the crystalline compound.

Applications

Silica 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.

Notes

It is a very stable compound of silicon.

Literature References

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 Hazard and Precautionary Statements

Hazard Statements: H350-H373

May cause cancer. May cause damage to organs through prolonged or repeated exposure.

Precautionary Statements: P260-P201-P281-P202-P308+P313-P314-P405-P501a

Do not breathe dust/fume/gas/mist/vapours/spray. Obtain special instructions before use. Use personal protective equipment as required. Do not handle until all safety precautions have been read and understood. IF exposed or concerned: Get medical advice/attention. Get medical advice/attention if you feel unwell. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Other References

Merck
14,8493
Harmonized Tariff Code
2811.22
TSCA
Yes
RTECS
VV7330000

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