Trimethylsilyl Diethylphosphonoacetate
三甲基硅烷二乙基磷酰乙酸酯
Also known as: Acetic acid, 2-(diethoxyphosphinyl)-, trimethylsilyl ester, Diethyl [(trimethylsilyloxycarbonyl)methyl]phosphonate, Trimethylsilyl 2-(diethoxyphosphinyl)acetate, Diethyl (trimethylsilyloxycarbonylmethyl)phosphonate, Phosphonoacetic acid P,P-diethyl trimethylsilyl ester
Trimethylsilyl Diethylphosphonoacetate (CAS 66130-90-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H21O5PSi and a molecular weight of 268.31900 g/mol. It is also known as Acetic acid, 2-(diethoxyphosphinyl)-, trimethylsilyl ester, Diethyl [(trimethylsilyloxycarbonyl)methyl]phosphonate and Trimethylsilyl 2-(diethoxyphosphinyl)acetate. Key properties include a boiling point of 93 °C0.05 mm Hg, a density of 1.059 g/mL at 25 °C(lit.) and a flash point of 112 °F. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 66130-90-3
- Jingsj CID
- J-32607-8
- Molecular Formula
- C9H21O5PSi
- Chinese Name
- 三甲基硅烷二乙基磷酰乙酸酯
- Molecular Weight
- 268.31900 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 93 °C0.05 mm Hg |
|---|---|
| Density | 1.059 g/mL at 25 °C(lit.) |
| Flash Point | 112 °F |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of Trimethylsilyl Diethylphosphonoacetate?
The CAS number of Trimethylsilyl Diethylphosphonoacetate is 66130-90-3.
What are the molecular formula and molecular weight of Trimethylsilyl Diethylphosphonoacetate?
Trimethylsilyl Diethylphosphonoacetate has molecular formula C9H21O5PSi and molecular weight 268.31900 g/mol.
Is Trimethylsilyl Diethylphosphonoacetate hazardous?
Trimethylsilyl Diethylphosphonoacetate has GHS signal word Danger.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Trimethylsilyl Diethylphosphonoacetate (CAS 66130-90-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-32607-8 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.