Tetraisopropyl orthosilicate
Also known as: Tetraisopropoxysilane, Tetra(isopropoxy)silane, Tetrakis(isopropoxy)silane, Silicic acid (H4SiO4), tetrakis(1-methylethyl) ester, Silicon tetraisopropoxide, Isopropyl silicate, Tetrapropan-2-yl silicate, Tetraisopropyl silicate
Tetraisopropyl orthosilicate (CAS 1992-48-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C12H28O4Si and a molecular weight of 264.434 g/mol. Key properties include a melting point of <0ºC, a boiling point of 228.0±8.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 75.3±20.3 °C. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.
- CAS No.
- 1992-48-9
- Jingsj CID
- J-31182-0
- Molecular Formula
- C12H28O4Si
- Molecular Weight
- 264.434 g/mol
- Category
- Organic Acids
- Last updated
- 11/3/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | <0ºC |
|---|---|
| Boiling Point | 228.0±8.0 °C at 760 mmHg |
| Density | 0.9±0.1 g/cm3 |
| Flash Point | 75.3±20.3 °C |
| Exact Mass | 264.175690 |
| PSA | 36.92000 |
| LogP | 6.49 |
| Vapor Pressure | 0.1±0.4 mmHg at 25°C |
| Refractive Index | 1.420 |
Frequently Asked Questions
What is the CAS number of Tetraisopropyl orthosilicate?
The CAS number of Tetraisopropyl orthosilicate is 1992-48-9.
What are the molecular formula and molecular weight of Tetraisopropyl orthosilicate?
Tetraisopropyl orthosilicate has molecular formula C12H28O4Si and molecular weight 264.434 g/mol.
What are the upstream and downstream products of Tetraisopropyl orthosilicate?
For Tetraisopropyl orthosilicate, Upstream Products: Isopropanol, Isopropyl nitrite, Tetrachlorosilane; Downstream Products: isopropyl butyrate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Tetraisopropyl orthosilicate (CAS 1992-48-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-31182-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.