2,2'-Trimethylenebis-1,3-dioxolane

2,2'-三亚甲基二-1,3-二噁戊环

Also known as: 2,2'-(1,3-Propanediyl)bis-1,3-dioxolane, 2,2'-Trimethylenebis(1,3-dioxolane), 1,3-Bis(1,3-dioxolan-2-yl)propane, 2-[3-(1,3-dioxolan-2-yl)propyl]-1,3-dioxolane, Glutaric dialdehyde bis(ethylene acetal), Pentanedial cyclic bis(ethylene acetal)

2,2'-Trimethylenebis-1,3-dioxolane (CAS 6543-04-0) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C9H16O4 and a molecular weight of 188.22100 g/mol. It is also known as 2,2'-(1,3-Propanediyl)bis-1,3-dioxolane, 2,2'-Trimethylenebis(1,3-dioxolane) and 1,3-Bis(1,3-dioxolan-2-yl)propane. Key properties include a boiling point of 264.8ºC at 760 mmHg, a density of 1.108 g/mL at 25ºC(lit.) and a flash point of >230 °F. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

6543-04-0

Jingsj CID

J-496-9

Molecular Formula

C₉H₁₆O₄

Chinese Name

2,2'-三亚甲基二-1,3-二噁戊环

Molecular Weight

188.22100 g/mol

Category

Organic Compounds

Last updated

8/21/2026