Diethyl (2-methylallyl)phosphonate
(2-甲基烯丙基)膦酸二乙酯
Also known as: 3-diethoxyphosphoryl-2-methylprop-1-ene, Phosphonic acid, P-(2-methyl-2-propen-1-yl)-, diethyl ester
Diethyl (2-methylallyl)phosphonate (CAS 51533-70-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H17O3P and a molecular weight of 192.19300 g/mol. It is also known as 3-diethoxyphosphoryl-2-methylprop-1-ene and Phosphonic acid, P-(2-methyl-2-propen-1-yl)-, diethyl ester. Key properties include a boiling point of 62ºC0.1 mm Hg(lit.), a density of 1.013 g/mL at 25ºC(lit.) and a flash point of >230 °F. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 51533-70-1
- Jingsj CID
- J-49894-4
- Molecular Formula
- C8H17O3P
- Chinese Name
- (2-甲基烯丙基)膦酸二乙酯
- Molecular Weight
- 192.19300 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 62ºC0.1 mm Hg(lit.) |
|---|---|
| Density | 1.013 g/mL at 25ºC(lit.) |
| Flash Point | >230 °F |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of Diethyl (2-methylallyl)phosphonate?
The CAS number of Diethyl (2-methylallyl)phosphonate is 51533-70-1.
What are the molecular formula and molecular weight of Diethyl (2-methylallyl)phosphonate?
Diethyl (2-methylallyl)phosphonate has molecular formula C8H17O3P and molecular weight 192.19300 g/mol.
Is Diethyl (2-methylallyl)phosphonate hazardous?
Diethyl (2-methylallyl)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 (2-methylallyl)phosphonate (CAS 51533-70-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-49894-4 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.