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1,2-Dichloro-1-ethoxyethane

Also known as: 1,2-Dichloroethyl ethyl ether, Ethane, 1,2-dichloro-1-ethoxy-, Ether, 1,2-dichloroethyl ethyl (8CI), 1,2-Dichloro-2-ethoxyethane, MFCD00041730

1,2-Dichloro-1-ethoxyethane (CAS 623-46-1) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C4H8Cl2O and a molecular weight of 143.012 g/mol. Key properties include a melting point of -72ºC, a boiling point of 145.0±0.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 43.3±0.0 °C. It is classified under GHS with signal word Warning and hazard statements H226 — Flammable liquid and vapour, H302 — Harmful if swallowed and H315 — Causes skin irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
623-46-1
Jingsj CID
J-45734-1
Molecular Formula
C4H8Cl2O
Molecular Weight
143.012 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026
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Physicochemical Properties

Melting Point-72ºC
Boiling Point145.0±0.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point43.3±0.0 °C
Exact Mass141.995224
PSA9.23000
LogP1.36
Vapor Pressure6.3±0.2 mmHg at 25°C
Refractive Index1.429

GHS Safety & Compliance

Flammable / IrritantSignal word: Warning
  • H226 — Flammable liquid and vapour
  • H302 — Harmful if swallowed
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Frequently Asked Questions

What is the CAS number of 1,2-Dichloro-1-ethoxyethane?

The CAS number of 1,2-Dichloro-1-ethoxyethane is 623-46-1.

What are the molecular formula and molecular weight of 1,2-Dichloro-1-ethoxyethane?

1,2-Dichloro-1-ethoxyethane has molecular formula C4H8Cl2O and molecular weight 143.012 g/mol.

Is 1,2-Dichloro-1-ethoxyethane hazardous?

1,2-Dichloro-1-ethoxyethane has GHS signal word Warning and hazard statements H226 — Flammable liquid and vapour; H302 — Harmful if swallowed; H315 — Causes skin irritation.

What are the upstream and downstream products of 1,2-Dichloro-1-ethoxyethane?

For 1,2-Dichloro-1-ethoxyethane, Upstream Products: Ethyl vinyl ether, Chloroacetaldehyde diethyl acetal, Chloroacetaldehyde; Downstream Products: Glyoxime, 2-Methylthiazole, Ethyl 2-methylpyrrole-3-carboxylate.

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

Last updated:

How to cite: Jingsj. "1,2-Dichloro-1-ethoxyethane (CAS 623-46-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-45734-1 (accessed 2026-11-09).

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