Dimethyl (1-diazo-2-oxopropyl)phosphonate
Also known as: (1-Diazo-2-oxopropyl)phosphonic acid dimethyl ester, Bestmann-Ohira reagent, Ohira's reagent, Dimethyl (acetyldiazomethyl)phosphonate, 1-Diazoacetonylphosphonic acid dimethyl ester, Phosphonic acid, P-(1-diazo-2-oxopropyl)-, dimethyl ester
Dimethyl (1-diazo-2-oxopropyl)phosphonate (CAS 90965-06-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H9N2O4P and a molecular weight of 192.110 g/mol. Key properties include a density of 1.28 and a flash point of 2℃. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 90965-06-3
- Jingsj CID
- J-1027315-1
- Molecular Formula
- C5H9N2O4P
- Molecular Weight
- 192.110 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Density | 1.28 |
|---|---|
| Flash Point | 2℃ |
| Exact Mass | 192.029999 |
| PSA | 99.80000 |
| LogP | -2.37 |
| Refractive Index | n20/D1.352-1.354 |
| Storage Conditions | 2-8°C |
Frequently Asked Questions
What is the CAS number of Dimethyl (1-diazo-2-oxopropyl)phosphonate?
The CAS number of Dimethyl (1-diazo-2-oxopropyl)phosphonate is 90965-06-3.
What are the molecular formula and molecular weight of Dimethyl (1-diazo-2-oxopropyl)phosphonate?
Dimethyl (1-diazo-2-oxopropyl)phosphonate has molecular formula C5H9N2O4P and molecular weight 192.110 g/mol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Dimethyl (1-diazo-2-oxopropyl)phosphonate (CAS 90965-06-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1027315-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.