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Diethyl 2,2-diethoxyethylphosphonate

Also known as: Phosphonic acid, P-(2,2-diethoxyethyl)-, diethyl ester, Diethyl phosphonoacetaldehyde diethyl acetal, 2-diethoxyphosphoryl-1,1-diethoxyethane, DIETHYL 2,2-DIETHOXETHYLPHOSPHONATE, DIETHYL 2,2-DIETHOXY-ETHANEPHOSPHONATE, DIETHYL PHOSPHONACETALDEHYDE DIETHYL ACETAL, AURORA KA-1450

Diethyl 2,2-diethoxyethylphosphonate (CAS 7598-61-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H23O5P and a molecular weight of 254.26000 g/mol. Key properties include a boiling point of 146-149 °C14 mm Hg(lit.), a density of 1.052 g/mL at 25 °C(lit.) and a flash point of >110.0 °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 Nov 3, 2026.

CAS No.
7598-61-0
Jingsj CID
J-2537-6
Molecular Formula
C10H23O5P
Molecular Weight
254.26000 g/mol
Category
Organic Acids
Last updated
11/3/2026
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Physicochemical Properties

Boiling Point146-149 °C14 mm Hg(lit.)
Density1.052 g/mL at 25 °C(lit.)
Flash Point>110.0 °C
Exact Mass254.12800
PSA63.80000
LogP2.65160
Refractive Indexn20/D 1.430(lit.)

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 2,2-diethoxyethylphosphonate?

The CAS number of Diethyl 2,2-diethoxyethylphosphonate is 7598-61-0.

What are the molecular formula and molecular weight of Diethyl 2,2-diethoxyethylphosphonate?

Diethyl 2,2-diethoxyethylphosphonate has molecular formula C10H23O5P and molecular weight 254.26000 g/mol.

Is Diethyl 2,2-diethoxyethylphosphonate hazardous?

Diethyl 2,2-diethoxyethylphosphonate has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.

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 2,2-diethoxyethylphosphonate (CAS 7598-61-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-2537-6 (accessed 2026-11-09).

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