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Ethyl dichlorophosphate

Also known as: Ethyl phosphorodichloridate, Dichloroethoxyphosphine oxide, Ethoxyphosphoryl dichloride, Ethyl dichloridophosphate, Ethyl dichlorophosphinate, Phosphorodichloridic acid, ethyl ester, O-Ethyl phosphorodichloridate, 1-dichlorophosphoryloxyethane, MFCD00002069, EINECS 216-099-0

Ethyl dichlorophosphate (CAS 1498-51-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C2H5Cl2O2P and a molecular weight of 162.940 g/mol. Key properties include a melting point of -42.5ºC, a boiling point of 187.0±9.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 28.0±26.4 °C. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed, H314 — Causes severe skin burns and eye damage and H330 — Fatal if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1498-51-7
Jingsj CID
J-1369124-2
Molecular Formula
C2H5Cl2O2P
Molecular Weight
162.940 g/mol
Category
Organic Acids
Last updated
8/21/2026
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Physicochemical Properties

Melting Point-42.5ºC
Boiling Point187.0±9.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point28.0±26.4 °C
Exact Mass161.940414
PSA36.11000
LogP1.24
Vapor Pressure0.9±0.3 mmHg at 25°C
Refractive Index1.429

GHS Safety & Compliance

Corrosion / Acute ToxicitySignal word: Danger
  • H301 — Toxic if swallowed
  • H314 — Causes severe skin burns and eye damage
  • H330 — Fatal if inhaled

Frequently Asked Questions

What is the CAS number of Ethyl dichlorophosphate?

The CAS number of Ethyl dichlorophosphate is 1498-51-7.

What are the molecular formula and molecular weight of Ethyl dichlorophosphate?

Ethyl dichlorophosphate has molecular formula C2H5Cl2O2P and molecular weight 162.940 g/mol.

Is Ethyl dichlorophosphate hazardous?

Ethyl dichlorophosphate has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H314 — Causes severe skin burns and eye damage; H330 — Fatal if inhaled.

What are the upstream and downstream products of Ethyl dichlorophosphate?

For Ethyl dichlorophosphate, Upstream Products: Ethanol, O,S-Diethyl methylphosphonothioate, Phosphorothioic acid, O,O-diethyl O-phenyl ester; Downstream Products: 17-hydroxy-6-methylenepregn-4-ene-3,20-dione 17-acetate, Chloroethane, Phosphoryl chloride.

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

Last updated:

How to cite: Jingsj. "Ethyl dichlorophosphate (CAS 1498-51-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1369124-2 (accessed 2026-11-09).

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