Methyltri-n-propoxysilane
甲基三丙氧基硅烷
Also known as: Methyl(tripropoxy)silane, Methyl-tripropoxysilane, Methyltrinpropoxysilane, LS 3630, tri-1-propoxymethylsilane, Silane, methyltripropoxy-, Methyltripropoxysilane
Methyltri-n-propoxysilane (CAS 5581-66-8) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C10H24O3Si and a molecular weight of 220.381 g/mol. It is also known as Methyl(tripropoxy)silane, Methyl-tripropoxysilane and Methyltrinpropoxysilane. Key properties include a boiling point of 180.1±8.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 69.6±21.3 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 5581-66-8
- Jingsj CID
- J-31973-3
- Molecular Formula
- C10H24O3Si
- Chinese Name
- 甲基三丙氧基硅烷
- Molecular Weight
- 220.381 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 180.1±8.0 °C at 760 mmHg |
|---|---|
| Density | 0.9±0.1 g/cm3 |
| Flash Point | 69.6±21.3 °C |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of Methyltri-n-propoxysilane?
The CAS number of Methyltri-n-propoxysilane is 5581-66-8.
What are the molecular formula and molecular weight of Methyltri-n-propoxysilane?
Methyltri-n-propoxysilane has molecular formula C10H24O3Si and molecular weight 220.381 g/mol.
Is Methyltri-n-propoxysilane hazardous?
Methyltri-n-propoxysilane has GHS signal word Warning.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Methyltri-n-propoxysilane (CAS 5581-66-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-31973-3 (accessed 2026-10-23).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.