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Diofenolan

Also known as: 2-ethyl-4-[(4-phenoxyphenoxy)methyl]-1,3-dioxolane, 2-ethyl-4-((4-phenoxyphenoxy)methyl)-1,3-dioxolane, CGA 059205, cga059205, Diofenolan (BSI, ISO), rac-(2R,4RS)-2-ethyl-4-[(4-phenoxyphenoxy)methyl]-1,3-dioxolane, Diofenolan mixture of diastereomers

Diofenolan (CAS 63837-33-2) is a compound in the Ethers category listed in the Jingsj chemical database. It has the molecular formula C18H20O4 and a molecular weight of 300.34900 g/mol. Key properties include a melting point of 25°C, a boiling point of 416ºC at 760mmHg, a density of 1.118g/cm3 and a flash point of 134ºC. It is classified under GHS with signal word Danger and hazard statements H331 — Toxic if inhaled and H400 — Very toxic to aquatic life. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
63837-33-2
Jingsj CID
J-1333217-0
Molecular Formula
C18H20O4
Molecular Weight
300.34900 g/mol
Category
Ethers
Last updated
8/21/2026
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Physicochemical Properties

Melting Point25°C
Boiling Point416ºC at 760mmHg
Density1.118g/cm3
Flash Point134ºC
Exact Mass300.13600
PSA36.92000
LogP4.00920
Refractive Index1.536
Storage Conditions0-6°C

GHS Safety & Compliance

Acute Toxicity / Environmental HazardSignal word: Danger
  • H331 — Toxic if inhaled
  • H400 — Very toxic to aquatic life

Frequently Asked Questions

What is the CAS number of Diofenolan?

The CAS number of Diofenolan is 63837-33-2.

What are the molecular formula and molecular weight of Diofenolan?

Diofenolan has molecular formula C18H20O4 and molecular weight 300.34900 g/mol.

Is Diofenolan hazardous?

Diofenolan has GHS signal word Danger and hazard statements H331 — Toxic if inhaled; H400 — Very toxic to aquatic life.

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

Last updated:

How to cite: Jingsj. "Diofenolan (CAS 63837-33-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1333217-0 (accessed 2026-11-06).

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