Diethyl (ethylthiomethyl)phosphonate
(乙硫基甲基)膦酸二乙酯
Also known as: 1-(ethoxy-(ethylsulfanylmethyl)phosphoryl)oxyethane, 1-[ethoxy(ethylsulfanylmethyl)phosphoryl]oxyethane, DIETHYL (ETHYLTHIOMETHYL)PHOSPHONATE, DIETHYL ETHYLTHIOMETHANEPHOSPHONATE, Diethyl (ethylthiomethyl)phosphonate 97%, EINECS 258-971-3, Ethylthiomethylphosphonic acid diethyl ester, MFCD00009269, NSC 140826, Phosphonic acid, P-[(ethylthio)methyl]-, diethyl ester, [(Ethylthio)methyl]phosphonic acid diethyl ester
Diethyl (ethylthiomethyl)phosphonate (CAS 54091-78-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H17O3PS and a molecular weight of 212.24700 g/mol. It is also known as 1-(ethoxy-(ethylsulfanylmethyl)phosphoryl)oxyethane, 1-[ethoxy(ethylsulfanylmethyl)phosphoryl]oxyethane and DIETHYL (ETHYLTHIOMETHYL)PHOSPHONATE. Key properties include a boiling point of 271.5ºC at 760mmHg, a density of 1.088g/cm3 and a flash point of 118ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 54091-78-0
- Jingsj CID
- J-15333-5
- Molecular Formula
- C7H17O3PS
- Chinese Name
- (乙硫基甲基)膦酸二乙酯
- Molecular Weight
- 212.24700 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 271.5ºC at 760mmHg |
|---|---|
| Density | 1.088g/cm3 |
| Flash Point | 118ºC |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of Diethyl (ethylthiomethyl)phosphonate?
The CAS number of Diethyl (ethylthiomethyl)phosphonate is 54091-78-0.
What are the molecular formula and molecular weight of Diethyl (ethylthiomethyl)phosphonate?
Diethyl (ethylthiomethyl)phosphonate has molecular formula C7H17O3PS and molecular weight 212.24700 g/mol.
Is Diethyl (ethylthiomethyl)phosphonate hazardous?
Diethyl (ethylthiomethyl)phosphonate 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. "Diethyl (ethylthiomethyl)phosphonate (CAS 54091-78-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-15333-5 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.