Orthosilicic acid

Base Information

• Chemical Name: Orthosilicic acid
• CAS No.: 10193-36-9
• Deprecated CAS: 23643-07-4,28498-23-9,30772-43-1,39350-04-4,62647-18-1,28498-23-9,30772-43-1,39350-04-4,62647-18-1
• Molecular Formula: H4O4Si
• Molecular Weight: 96.1149
• European Community (EC) Number: 233-477-0
• UNII: 623B93YABH
• DSSTox Substance ID: DTXSID5058721
• Nikkaji Number: J148.210F
• Wikipedia: Orthosilicic_acid
• Wikidata: Q422843
• RXCUI: 1650612
• Mol file: 10193-36-9.mol

Synonyms:Orthosilicic acid;Tetrahydroxysilane;Monosilicic acid;10193-36-9;Silicic acid (H4SiO4);Silicon tetrahydroxide;Silicasol;ORTHOSILICICACID;Silicic acid (Si(OH)4);Silicic acid (ortho);EINECS 233-477-0;UNII-623B93YABH;623B93YABH;silanetetrol;Kieselsaeure;Orthokieselsaeure;Tetrahydroxysilicon;ortho-silicic acid;tetrahydroxidosilicon;H4O4Si;H4SiO4;H4-O4-Si;[Si(OH)4];Silicon hydroxide (Si(OH)4);DTXSID5058721;CHEBI:26675;ORTHOSILICIC ACID [WHO-DD];ORTHOSILICIC ACID (H4SIO4);AKOS015833676;LS-145307;SILICIC ACID ORTHOSILICIC ACID [MI];FT-0699887;Q422843;62647-18-1

Chemical Property of Orthosilicic acid

Chemical Property:

• Vapor Pressure: 1.333hPa at 25℃
• Boiling Point: 153-156 °C(Press: 2 Torr)
• PKA: 12.39±0.53(Predicted)
• PSA: 80.92000
• Density: 1.77 g/cm³
• LogP: -2.60880
• Water Solubility.: 100ng/L at 25℃
• Hydrogen Bond Donor Count: 4
• Hydrogen Bond Acceptor Count: 4
• Rotatable Bond Count: 0
• Exact Mass: 95.98788514
• Heavy Atom Count: 5
• Complexity: 19.1

Purity/Quality:

98%,99%, ^*data from raw suppliers

TETRAHYDROXYSILANE 95.00% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: O[Si](O)(O)O

Technology Process of Orthosilicic acid

There total 64 articles about Orthosilicic acid which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 96.0%

silicic acid tetrabenzyl ester (4424-00-4) → silicic Acid (10193-36-9,62647-18-1)

Guidance literature:

With palladium-platinum; hydrogen; aniline; In N,N-dimethyl acetamide; at 20 ℃; for 2h; Concentration; Solvent;

Reference yield: 92.0%

silicic acid tetrabenzyl ester (4424-00-4) → pyrosilicic acid (20638-18-0) + silicic Acid (10193-36-9,62647-18-1)

Guidance literature:

With palladium-platinum; hydrogen; aniline; at 20 ℃; for 2h; Concentration; Reagent/catalyst; Time;

Reference yield: 47.0%

silicic acid tetrabenzyl ester (4424-00-4) → pyrosilicic acid (20638-18-0) + cyclo trisiloxanehexaol (20638-19-1) + silicic Acid (10193-36-9,62647-18-1)

Guidance literature:

With palladium-platinum; hydrogen; at 20 ℃; for 2h;

upstream raw materials:

ammonia

silica gel

tin(IV) chloride

tetramethylorthosilicate

Downstream raw materials:

silica gel

Si(OH)3F

SiF₆^(2-)*H⁽¹⁺⁾=HSiF₆^(1-)

Si(OH)2F⁽¹⁺⁾

Refernces

• 1、 Fox, Dennis S.,Opila, Elizabeth J.,Nguyen, Quynh Giao N.,Humphrey, Donald L.,Lewton, Susan M.. "Paralinear oxidation of silicon nitride in a water-vapor/oxygen environment". . p. 1256 - 1261. Retrieved 2003.
• 2、 Liao, Yuhe,Liu, Qiying,Wang, Tiejun,Long, Jinxing,Ma, Longlong,Zhang, Qi. "Zirconium phosphate combined with Ru/C as a highly efficient catalyst for the direct transformation of cellulose to C6 alditols". . p. 3305 - 3312. Retrieved 2014.
• 3、 Havill, M. E.,Joffe, I.,Post, H. W.. "-". . p. 280 - 283. Retrieved 1948.
• 4、 Han, Yehong,Yang, Chunliu,Zhou, Yang,Han, Dandan,Yan, Hongyuan. "Ionic Liquid-Hybrid Molecularly Imprinted Material-Filter Solid-Phase Extraction Coupled with HPLC for Determination of 6-Benzyladenine and 4-Chlorophenoxyacetic Acid in Bean Sprouts". . p. 1750 - 1757. Retrieved 2017.
• 5、 Hall, Simon R,Bolger, Helen,Mann, Stephen. "Morphosynthesis of complex inorganic forms using pollen grain templates.". . p. 2784 - 2785. Retrieved 2003.
• 6、 Yokoyama, Takushi,Nakamura, Osamu,Tarutani, Toshikazu. "POLYMERIZATION OF SILICIC ACID ADSORBED ON ALUMINIUM HYDROXIDE". . p. 975 - 978. Retrieved 1982.
• 7、 House, William A.,Orr, Douglas R.. "Investigation of the pH Dependence of the Kinetics of Quartz Dissolution at 25 deg C". . p. 233 - 242. Retrieved 1992.
• 8、 Strekopytov, Stanislav,Exley, Christopher. "The formation, precipitation and structural characterisation of hydroxyaluminosilicates formed in the presence of fluoride and phosphate". . p. 1585 - 1592. Retrieved 2005.
• 9、 Belton, David J.,Deschaume, Olivier,Patwardhan, Siddharth V.,Perry, Carole C.. "A solution study of silica condensation and speciation with relevance to in vitro investigations of biosilicification". . p. 9947 - 9955. Retrieved 2010.
• 10、 Agre, C. L.. "". . p. 300 - 304. Retrieved 1949.