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Diethyl (N-methoxy-N-methylcarbamoylmethyl)phosphonate

Also known as: Diethyl (2-(methoxy(methyl)amino)-2-oxoethyl)phosphonate, N-Methoxy-N-methyl-phosphonoacetamide diethyl ester, 2-diethoxyphosphoryl-N-methoxy-N-methylacetamide, Diethyl N-methoxy-N-methylphosphonoacetamide, Phosphonic acid, P-[2-(methoxymethylamino)-2-oxoethyl]-, diethyl ester

Diethyl (N-methoxy-N-methylcarbamoylmethyl)phosphonate (CAS 124931-12-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H18NO5P and a molecular weight of 239.206 g/mol. Key properties include a boiling point of 297.4±42.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 133.7±27.9 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
124931-12-0
Jingsj CID
J-34504-0
Molecular Formula
C8H18NO5P
Molecular Weight
239.206 g/mol
Category
Organic Acids
Last updated
8/21/2026
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Physicochemical Properties

Boiling Point297.4±42.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point133.7±27.9 °C
Exact Mass239.092255
PSA74.88000
LogP-0.11
Vapor Pressure0.0±0.6 mmHg at 25°C
Refractive Index1.441

GHS Safety & Compliance

IrritantSignal word: Warning
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Frequently Asked Questions

What is the CAS number of Diethyl (N-methoxy-N-methylcarbamoylmethyl)phosphonate?

The CAS number of Diethyl (N-methoxy-N-methylcarbamoylmethyl)phosphonate is 124931-12-0.

What are the molecular formula and molecular weight of Diethyl (N-methoxy-N-methylcarbamoylmethyl)phosphonate?

Diethyl (N-methoxy-N-methylcarbamoylmethyl)phosphonate has molecular formula C8H18NO5P and molecular weight 239.206 g/mol.

Is Diethyl (N-methoxy-N-methylcarbamoylmethyl)phosphonate hazardous?

Diethyl (N-methoxy-N-methylcarbamoylmethyl)phosphonate has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.

What are the upstream and downstream products of Diethyl (N-methoxy-N-methylcarbamoylmethyl)phosphonate?

For Diethyl (N-methoxy-N-methylcarbamoylmethyl)phosphonate, Upstream Products: Diethylphosphonoacetic acid, N,O-Dimethylhydroxylamine hydrochloride, Diethyl phosphite.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Diethyl (N-methoxy-N-methylcarbamoylmethyl)phosphonate (CAS 124931-12-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-34504-0 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.