Ethylphosphonic dichloride
二氯化乙基磷酸
Also known as: Ethanephosphonic dichloride, Dichloroethylphosphine Oxide, Ethylphosphonodichloridate, Phosphonic dichloride, P-ethyl-, 1-Dichlorophosphorylethane, ethyl phosphorus dichloride, AURORA KA-1351, MFCD00002073, EINECS 213-918-3
Ethylphosphonic dichloride (CAS 1066-50-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C2H5Cl2OP and a molecular weight of 146.94000 g/mol. It is also known as Ethanephosphonic dichloride, Dichloroethylphosphine Oxide and Ethylphosphonodichloridate. Key properties include a boiling point of 71-72 °C12 mm Hg(lit.), a density of 1.376 g/mL at 25 °C(lit.) and a flash point of >230 °F. It is classified under GHS with signal word Danger and hazard statements H300, H311 — Toxic in contact with skin and H331 — Toxic if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1066-50-8
- Jingsj CID
- J-8358-4
- Molecular Formula
- C2H5Cl2OP
- Chinese Name
- 二氯化乙基磷酸
- Molecular Weight
- 146.94000 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 71-72 °C12 mm Hg(lit.) |
|---|---|
| Density | 1.376 g/mL at 25 °C(lit.) |
| Flash Point | >230 °F |
| Exact Mass | 145.94600 |
| PSA | 26.88000 |
| LogP | 2.67700 |
| Vapor Pressure | 0.787mmHg at 25°C |
| Refractive Index | n20/D 1.465(lit.) |
GHS Safety & Compliance
- H300
- H311 — Toxic in contact with skin
- H331 — Toxic if inhaled
- H314 — Causes severe skin burns and eye damage
Customs & Trade Information
| HS Code | 2931900090 |
|---|---|
| Summary | 2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Ethylphosphonic dichloride?
The CAS number of Ethylphosphonic dichloride is 1066-50-8.
What are the molecular formula and molecular weight of Ethylphosphonic dichloride?
Ethylphosphonic dichloride has molecular formula C2H5Cl2OP and molecular weight 146.94000 g/mol.
Is Ethylphosphonic dichloride hazardous?
Ethylphosphonic dichloride has GHS signal word Danger and hazard statements H300; H311 — Toxic in contact with skin; H331 — Toxic if inhaled.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Ethylphosphonic dichloride (CAS 1066-50-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-8358-4 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.