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Silicon dioxide

Silicon dioxide Suppliers list
Company Name:Shanghai Aladdin Bio-Chem Technology Co.,LTD  Gold
Tel:021-20337333/400-620-6333
Email:sale@aladdin-e.com
Products Intro: Product Name:Sand
CAS:14808-60-7
Package:25KG,500G,5KG
Company Name:Alfa Aesar  
Tel:400-610-6006; 021-67582000
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Products Intro: Product Name:Silicon(IV) oxide, 99.5% (Metals basis)
CAS:14808-60-7
Package:250g Remarks:088316
Company Name:BeiJing Hwrk Chemicals Limted  
Tel:4006990298;010-57411839;0757-86311057;021-51691807
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Products Intro: Product Name:Silicon dioxide
CAS:14808-60-7
Purity:washed Package:500g
Company Name:Energy Chemical  
Tel:021-58432009 / 400-005-6266
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Products Intro: Product Name:Silicon dioxide
CAS:14808-60-7
Purity:Puratronic±99.999%(Metalsbasis) Package:100g,25g
Company Name:Beijing Ouhe Technology Co., Ltd  
Tel:+86-10-4006331231;+86-10-51280831;+86-10-82967028
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Products Intro: Product Name:Silicon dioxide
CAS:14808-60-7
Purity:98% Package:10g;50g;100g;250g;500g
Silicon dioxide Basic information
Description References
Product Name:Silicon dioxide
Synonyms:Quartz (SiO2);Rose quartz;silica,crystalline(asrespirable;silica,crystalline(asrespirabledust);Silicon oxide, quartz;CRYSTALLINE SODIUM POTASSIUM ALUMINOSILICATE;HYDRANAL(R)-MOLECULAR SIEVE;ALUMINUM SODIUM SILICATE
CAS:14808-60-7
MF:O2Si
MW:60.0843
EINECS:215-684-8
Product Categories:Inorganics
Mol File:14808-60-7.mol
Silicon dioxide Structure
Silicon dioxide Chemical Properties
Melting point 1610 °C(lit.)
Boiling point 2230 °C
density 2.6 g/mL at 25 °C(lit.)
refractive index n20/D 1.544(lit.)
form powder
Water Solubility insoluble
Stability:Stable.
CAS DataBase Reference14808-60-7(CAS DataBase Reference)
NIST Chemistry ReferenceSilicon oxide(14808-60-7)
EPA Substance Registry SystemQuartz (SiO2)(14808-60-7)
Safety Information
Hazard Codes Xn
Risk Statements 36/37/38-48/20
Safety Statements 26-24/25-22
WGK Germany 3
RTECS ZG6800000
HS Code 25061000
MSDS Information
ProviderLanguage
Silicon dioxide English
ACROS English
SigmaAldrich English
ALFA English
Silicon dioxide Usage And Synthesis
Description

Silicon dioxide (chemical formula: SiO2) is a chemical compound comprised of oxide and silicon elements. It is insoluble in water or acids except hydrofluoric acid. It appears as transparent to gray, tasteless crystal which is widely presented in nature as sand or quartz. It is also one of the most abundant mineral existing in Earth’s crust. It has wide applications in various fields as below: (1) as the precursor to glass and silicon; (2) for sand casting; (3) as a additive to food and pharmaceutical products; (4) for production of cement and refractory materials; (5) as the medium for conversion of energy. (6) Extraction of DNA and RNA; (7) as a defoamer component. There are many ways for production of silicon. The most common way is through mining and purification of quartz.

References

https://en.wikipedia.org/wiki/Silicon_dioxide
http://www.newhealthguide.org/Silicon-Dioxide.html

Chemical Propertiesgranular abrasive solid of varied colour, depending upon other
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