Tetrapropoxysilane

Q: What are the molecular formula and molecular weight of Tetrapropoxysilane?

C12H28O4Si, molecular weight 264.434 g/mol

四丙氧基硅烷

Also known as: Propyl orthosilicate, Tetra-n-propoxysilane, Tetrapropyl orthosilicate, Tetrapropyl silicate, DYNASIL P, Orthosilicic acid tetrapropyl ester, Silicic acid (H4SiO4), tetrapropyl ester, Silicon tetra-n-propoxide, Tetrapropyl orthosilcate

CAS No.: 682-01-9
Jingsj CID: J-20151-9
Molecular Formula: C₁₂H₂₈O₄Si
Chinese Name: 四丙氧基硅烷
Molecular Weight: 264.434 g/mol
Category: Aliphatic Hydrocarbons
Last updated: 8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point	<-80ºC
Boiling Point	224.3±8.0 °C at 760 mmHg
Density	0.9±0.1 g/cm3
Flash Point	95.0±0.0 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of Tetrapropoxysilane?

682-01-9

What are the molecular formula and molecular weight of Tetrapropoxysilane?

C12H28O4Si, molecular weight 264.434 g/mol

Is Tetrapropoxysilane hazardous?

Warning

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026