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Allyl ether

Also known as: Diallyl ether, Bis(2-propenyl)ether, 3,3'-oxybis-1-propene, 4-oxahepta-1,6-diene, Ether, diallyl, Allylic Ether, Propenyl ether, bisallyl ether, 1-Propene,3,3'-oxybis, 3-prop-2-enoxyprop-1-ene

Allyl ether (CAS 557-40-4) is a compound in the Ethers category listed in the Jingsj chemical database. It has the molecular formula C6H10O and a molecular weight of 98.14300 g/mol. Key properties include a boiling point of 94 °C, a density of 0.8 and a flash point of -7 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H302 — Harmful if swallowed and H332 — Harmful if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
557-40-4
Jingsj CID
J-26077-2
Molecular Formula
C6H10O
Molecular Weight
98.14300 g/mol
Category
Ethers
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point94 °C
Density0.8
Flash Point-7 °C
Exact Mass98.07320
PSA9.23000
LogP1.37500
Refractive Index1.415-1.417
Additional Propertyinsoluble

GHS Safety & Compliance

Flammable / Acute ToxicitySignal word: Danger
  • H225 — Highly flammable liquid and vapour
  • H302 — Harmful if swallowed
  • H332 — Harmful if inhaled
  • H311 — Toxic in contact with skin
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Frequently Asked Questions

What is the CAS number of Allyl ether?

The CAS number of Allyl ether is 557-40-4.

What are the molecular formula and molecular weight of Allyl ether?

Allyl ether has molecular formula C6H10O and molecular weight 98.14300 g/mol.

Is Allyl ether hazardous?

Allyl ether has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H302 — Harmful if swallowed; H332 — Harmful if inhaled.

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

Last updated:

How to cite: Jingsj. "Allyl ether (CAS 557-40-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-26077-2 (accessed 2026-11-06).

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