Ethyl silicate (CAS 78-10-4) — formula C8H20O4Si, molecular weight 208.33; category organic chemicals.
Documented applications: Uses: Used in mortar and surface coatings to improve resistance to weather and chemical corrosion, [ACGIH] Used in the semiconductor, electronics industry, [CSH, p. 402] Used in castings for alloys with high melting points, copper alloys, and dental prosthetic devices, Also used as a source of silicon dioxide by vapor deposition and to produce refractory bricks and heat-resistant paints, [HSDB], Semiconductor Manufacturing [Category: Industry], Tetraethyl silicate is used as a preservative for stone, brick, concrete, and plaster. It is used in water, weather- and acid-proofing processes, heat- and chemical-resistant paints, and protective coatings., In weatherproofing and for hardening stone, arresting decay and disintegration, in mfr of weatherproof and acid-proof mortars and cements, in the "lost wax" process for casting of high-melting alloys.[The Merck Index, Fourteenth Edition (2006), Weatherproof and acid-proof mortar and cements, refractory bricks, other molded objects, heat-resistant paints, chemical-resistant paints, protective coatings for industrial buildings and castings, lacquers, bonding agent intermediate., Used in ceramic processing, For more Uses (Complete) data for Ethyl silicate (10 total), please visit the HSDB record page., Industry Uses: Insulators, Solvent, Other, Binder, Semiconductor and photovoltaic agent, Filler, Sealant (barrier), Film former, Intermediate, Adhesion, cohesion promoter, Consumer Uses: Semiconductor and photovoltaic agent, Insulators, Methods of Manufacturing: Preparation from absolute alcohol and silicon tetrachloride, Formulations, Preparations:, Ethyl silicate, ... is marketed in 2 grades, a 29% and 40% silicon dioxide, and in a "condensed" form consisting of 85% ethyl silicate and 15% polyethoxysiloxanes., Extrema - 99.9999% grade, available, Pure ethyl silicate >98%. A partially hydrolyzed or polymeric version with a substantial portion having an average of 4-5 silicon atoms and 40 wt% silicon dioxide content is called ethyl silicate 40., Dynasil A, U.S. Production: 2023: 10, 000, 000 - <50, 000 lb, 2022: 10, 2021: 10, 2020: 10, Silicic acid (H4SiO4), tetraethyl ester is listed as a High Production Volume (HPV) chemical (65FR81686). Chemicals listed as HPV were produced in or imported into the U.S. in >1 million pounds in 1990 and, or 1994. The HPV list is based on the 1990 Inventory Update Rule. (IUR) (40 CFR part 710 subpart B, 51FR21438)., Production volumes for non-confidential chemicals reported under the Inventory Update Rule. [Table#1532], Production volume for non-confidential chemicals reported under the 2006 Inventory Update Rule. Chemical: Silicic acid (H4SiO4), tetraethyl ester. Aggreated National Production Volume: 500, 000 to < 1 million lbs., General Manufacturing Information: Adhesive Manufacturing, Construction, All Other Chemical Product and Preparation Manufacturing, Fabricated Metal Product Manufacturing, Paint and Coating Manufacturing, Asphalt Paving, Roofing, and Coating Materials Manufacturing, All Other Basic Organic Chemical Manufacturing, Miscellaneous Manufacturing, All Other Basic Inorganic Chemical Manufacturing, Rubber Product Manufacturing, Primary Metal Manufacturing, Synthetic Rubber Manufacturing, tetraethyl ester: ACTIVE.
Ethyl silicate is a carbon-based organic compound with CAS registry number 78-10-4 and molecular formula C8H20O4Si (molecular weight 208.33), belonging to the organic chemicals segment of chemical raw materials.
CAS number: 78-10-4
Its molecular formula C8H20O4Si comprises 8 C, 20 H, 4 O, 1 Si atoms.
Also known as: Ethyl silicate · Tetraethoxysilane · Tetraethyl orthosilicate · TETRA ETHYL SILICATE
Category: organic chemicals
The CAS registry number of Ethyl silicate is 78-10-4.
Molecular formula C8H20O4Si, molecular weight 208.33.
It is also registered under: Ethyl silicate, Tetraethoxysilane, Tetraethyl orthosilicate, TETRA ETHYL SILICATE.
Recorded applications: Uses: Used in mortar and surface coatings to improve resistance to weather and chemical corrosion, [ACGIH] Used in the semiconductor, electronics industry, [CSH, p. 402] Used in castings for alloys with high melting points, copper alloys, and dental prosthetic devices, Also used as a source of silicon dioxide by vapor deposition and to produce refractory bricks and heat-resistant paints, [HSDB], Semiconductor Manufacturing [Category: Industry], Tetraethyl silicate is used as a preservative for stone, brick, concrete, and plaster. It is used in water, weather- and acid-proofing processes, heat- and chemical-resistant paints, and protective coatings., In weatherproofing and for hardening stone, arresting decay and disintegration, in mfr of weatherproof and acid-proof mortars and cements, in the "lost wax" process for casting of high-melting alloys.[The Merck Index, Fourteenth Edition (2006), Weatherproof and acid-proof mortar and cements, refractory bricks, other molded objects, heat-resistant paints, chemical-resistant paints, protective coatings for industrial buildings and castings, lacquers, bonding agent intermediate., Used in ceramic processing, For more Uses (Complete) data for Ethyl silicate (10 total), please visit the HSDB record page., Industry Uses: Insulators, Solvent, Other, Binder, Semiconductor and photovoltaic agent, Filler, Sealant (barrier), Film former, Intermediate, Adhesion, cohesion promoter, Consumer Uses: Semiconductor and photovoltaic agent, Insulators, Methods of Manufacturing: Preparation from absolute alcohol and silicon tetrachloride, Formulations, Preparations:, Ethyl silicate, ... is marketed in 2 grades, a 29% and 40% silicon dioxide, and in a "condensed" form consisting of 85% ethyl silicate and 15% polyethoxysiloxanes., Extrema - 99.9999% grade, available, Pure ethyl silicate >98%. A partially hydrolyzed or polymeric version with a substantial portion having an average of 4-5 silicon atoms and 40 wt% silicon dioxide content is called ethyl silicate 40., Dynasil A, U.S. Production: 2023: 10, 000, 000 - <50, 000 lb, 2022: 10, 2021: 10, 2020: 10, Silicic acid (H4SiO4), tetraethyl ester is listed as a High Production Volume (HPV) chemical (65FR81686). Chemicals listed as HPV were produced in or imported into the U.S. in >1 million pounds in 1990 and, or 1994. The HPV list is based on the 1990 Inventory Update Rule. (IUR) (40 CFR part 710 subpart B, 51FR21438)., Production volumes for non-confidential chemicals reported under the Inventory Update Rule. [Table#1532], Production volume for non-confidential chemicals reported under the 2006 Inventory Update Rule. Chemical: Silicic acid (H4SiO4), tetraethyl ester. Aggreated National Production Volume: 500, 000 to < 1 million lbs., General Manufacturing Information: Adhesive Manufacturing, Construction, All Other Chemical Product and Preparation Manufacturing, Fabricated Metal Product Manufacturing, Paint and Coating Manufacturing, Asphalt Paving, Roofing, and Coating Materials Manufacturing, All Other Basic Organic Chemical Manufacturing, Miscellaneous Manufacturing, All Other Basic Inorganic Chemical Manufacturing, Rubber Product Manufacturing, Primary Metal Manufacturing, Synthetic Rubber Manufacturing, tetraethyl ester: ACTIVE.
Category: Organic Chemicals.
Public-database records for Ethyl silicate (CAS 78-10-4), reproduced here for independent cross-checking.
| GHS 通报统计 | 0.1% (1 / 1197) |
|---|---|
| 已通报的危害声明 | H226, H319, H332, H335, H315, H336, H370, H372 |
| 法规与食品接触 | FDA Inventory of Effective Food Contact Substance (FCS) Noti: FCS 聚乙烯醇 (PVOH)（CAS 注册号 9002-89-5）和四乙氧基硅烷 (TEOS) 的交联反应产物 SEE INTENDED USE |
|---|---|
| GHS 通报统计 | 0.1% (1 / 1197) |
| 沸点 | 336 °F at 760 mmHg (USCG, 1999) |
|---|---|
| 沸点 | 168.8 °C |
| 沸点 | 168 °C |
| 沸点 | 336 °F |
| 沸点 | 168.8 °C @760 [mm Hg] |
| 熔点 | -121.9 °F (USCG, 1999) |
| 熔点 | -82.5 °C |
| 熔点 | -77 °C |
| 熔点 | -117 °F |
| 闪点 | 99 °F (USCG, 1999) |
| CAS 号 | 78-10-4 |
|---|---|
| PubChem CID | 6517 |
| 分子式 | C8H20O4Si |
| IUPAC 名称 | tetraethyl silicate |
| UNII（FDA） | 42064KRE49 |
Tetraethyl orthosilicate; Tetraethoxysilane; Tetraethyl silicate; 78-10-4; TEOS; ETHYL SILICATE; Dynasil A; Silicon ethoxide; Silicon tetraethoxide; Silikan L; Ethyl orthosilicate; Tetraethoxysilicon; Etylu krzemian; Tetraethylsilikat; Silane, tetraethoxy-; Tetraethylorthosilicate
| 分子量 | 208.33 |
|---|---|
| 氢键供体数 | 0 |
| 氢键受体数 | 4 |
| 可旋转键数 | 8 |
| 精确质量 | 208.11308565 |
| 单同位素质量 | 208.11308565 |
| 拓扑极性表面积 | 36.9 |
| 重原子数 | 13 |
| 形式电荷 | 0 |
| 复杂度 | 91.2 |
聚硅酸乙酯 · CAS 78-10-4 · C8H20O4Si. UNII 42064KRE49. 沸点: 336 °F at 760 mmHg (USCG, 1999); 沸点: 168.8 °C; 沸点: 168 °C.
Source: PubChem / Wikidata; the batch COA governs where values differ.
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