(5-Ethyl-2-methyl-1,3,2-dioxaphosphorinan-5-yl)methyl dimethyl phosphonate P-oxide
甲基膦酸 (5-乙基-2-甲基-2-氧代-1,3,2-二氧磷杂环己-5-基)甲基甲基酯
Also known as: FRC-1, FR-300, FR-CU, AMGARDV19, EINECS 255-263-6, Methylphosphonic acid (5-ethyl-2-methyl-2-oxido-1,3,2-dioxaphosphorinan-5-yl)methyl methyl ester, 5-ethyl-5-[[methoxy(methyl)phosphoryl]oxymethyl]-2-methyl-1,3,2λ5-dioxaphosphinane 2-oxide, Phosphonic acid, P-methyl-, (5-ethyl-2-methyl-2-oxido-1,3,2-dioxaphosphorinan-5-yl)methyl methyl ester
(5-Ethyl-2-methyl-1,3,2-dioxaphosphorinan-5-yl)methyl dimethyl phosphonate P-oxide (CAS 41203-81-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H20O6P2 and a molecular weight of 286.199 g/mol. It is also known as FRC-1, FR-300 and FR-CU. Key properties include a boiling point of 369.1±11.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 190.7±39.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 41203-81-0
- Jingsj CID
- J-1012052-1
- Molecular Formula
- C9H20O6P2
- Chinese Name
- 甲基膦酸 (5-乙基-2-甲基-2-氧代-1,3,2-二氧磷杂环己-5-基)甲基甲基酯
- Molecular Weight
- 286.199 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 369.1±11.0 °C at 760 mmHg |
|---|---|
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 190.7±39.6 °C |
Frequently Asked Questions
What is the CAS number of (5-Ethyl-2-methyl-1,3,2-dioxaphosphorinan-5-yl)methyl dimethyl phosphonate P-oxide?
The CAS number of (5-Ethyl-2-methyl-1,3,2-dioxaphosphorinan-5-yl)methyl dimethyl phosphonate P-oxide is 41203-81-0.
What are the molecular formula and molecular weight of (5-Ethyl-2-methyl-1,3,2-dioxaphosphorinan-5-yl)methyl dimethyl phosphonate P-oxide?
(5-Ethyl-2-methyl-1,3,2-dioxaphosphorinan-5-yl)methyl dimethyl phosphonate P-oxide has molecular formula C9H20O6P2 and molecular weight 286.199 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "(5-Ethyl-2-methyl-1,3,2-dioxaphosphorinan-5-yl)methyl dimethyl phosphonate P-oxide (CAS 41203-81-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1012052-1 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.