原硅酸四乙酯（CAS 78-10-4）：分子式 C8H20O4Si、分子量 208.33。
| CAS号 | 78-10-4 |
|---|---|
| 分子式 | C8H20O4Si |
| 分子量 | 208.33 |
| 熔点 | -121.9 °F (USCG, 1999) |
| 沸点 | 336 °F at 760 mmHg (USCG, 1999) |
| 应用领域 | 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 |
登记用途：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。
原硅酸四乙酯 是一种化工化合物，登记 CAS 号为 78-10-4，分子式 C8H20O4Si（分子量 208.33）。
登记 CAS 号：78-10-4
其分子式 C8H20O4Si 由 8 个碳、20 个氢、4 个氧、1 个硅 组成。
别名/同义词：原硅酸四乙酯 · Tetraethoxysilane · Tetraethyl orthosilicate · TETRA ETHYL SILICATE · Ethyl silicate
原硅酸四乙酯 的 CAS 登记号为 78-10-4。
分子式 C8H20O4Si，分子量 208.33。
别名/同义词：原硅酸四乙酯、Tetraethoxysilane、Tetraethyl orthosilicate、TETRA ETHYL SILICATE、Ethyl silicate。
登记用途：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。
原硅酸四乙酯（CAS 78-10-4）的独立参考数据，整理自公开化学数据库。
| CAS 号 | 78-10-4 |
|---|---|
| PubChem CID | 6517 |
| 分子式 | C8H20O4Si |
| IUPAC 名称 | tetraethyl silicate |
| UNII（FDA） | 42064KRE49 |
| Molecular Weight | 208.33 |
|---|---|
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 8 |
| Exact Mass | 208.11308565 |
| Monoisotopic Mass | 208.11308565 |
| Topological Polar Surface Area | 36.9 |
| Heavy Atom Count | 13 |
| Boiling Point | 336 °F at 760 mmHg (USCG, 1999) |
|---|---|
| Boiling Point | 168.8 °C |
| Boiling Point | 168 °C |
| Boiling Point | 336 °F |
| Boiling Point | 168.8 °C @760 [mm Hg] |
| Melting Point | -121.9 °F (USCG, 1999) |
| Melting Point | -82.5 °C |
| Melting Point | -77 °C |
| Melting Point | -117 °F |
| Flash Point | 99 °F (USCG, 1999) |
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
| 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) |
| 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 |
聚硅酸乙酯 · CAS 78-10-4 · C8H20O4Si. UNII 42064KRE49. Boiling Point: 336 °F at 760 mmHg (USCG, 1999); Boiling Point: 168.8 °C; Boiling Point: 168 °C.
数据来源：PubChem / Wikidata；与随货 COA 不一致时以 COA 为准。
English page: Tetraethoxysilane