Tetraethoxysilane (CAS 78-10-4) — formula C8H20O4Si, molecular weight 208.33.
| CAS Number | 78-10-4 |
|---|---|
| Molecular Formula | C8H20O4Si |
| Molecular Weight | 208.33 |
| Melting Point | -121.9 °F (USCG, 1999) |
| Boiling Point | 336 °F at 760 mmHg (USCG, 1999) |
Tetraethoxysilane is a chemical compound with CAS registry number 78-10-4 and molecular formula C8H20O4Si (molecular weight 208.33).
CAS number: 78-10-4
Its molecular formula C8H20O4Si comprises 8 C, 20 H, 4 O, 1 Si atoms.
Also known as: Tetraethoxysilane · 聚硅酸乙酯 · Tetraethyl orthosilicate · TETRA ETHYL SILICATE · Ethyl silicate
The CAS registry number of Tetraethoxysilane is 78-10-4.
Molecular formula C8H20O4Si, molecular weight 208.33.
It is also registered under: Tetraethoxysilane, 聚硅酸乙酯, Tetraethyl orthosilicate, TETRA ETHYL SILICATE, Ethyl silicate.
Independent reference data for Tetraethoxysilane (CAS 78-10-4), compiled from public chemistry databases.
| 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.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 原硅酸四乙酯