6,6-Dimethyl-5,7-dioxaspiro[2.5]octane-4,8-dione

6,6-二甲基-5,7-二氧杂螺[2.5]辛烷-4,8-二酮

Also known as: Cyclopropyl Meldrum's acid, Cycl-Isopropylidene Cyclopropane-1,1-Dicarboxylate, 1,1-Cyclopropanedicarboxylic acid cyclic isopropylidene ester, Cyclopropane-1,1-dicarboxylic acid cycl-isopropylidene ester, Danishefsky's reagent, 5,7-Dioxaspiro[2.5]octane-4,8-dione, 6,6-dimethyl-

CAS No.
5617-70-9
Jingsj CID
J-853908-3
Molecular Formula
C8H10O4
Chinese Name
6,6-二甲基-5,7-二氧杂螺[2.5]辛烷-4,8-二酮
Molecular Weight
170.163 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Melting Point63-65 °C(lit.)
Boiling Point396.8±35.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point215.9±24.4 °C

Frequently Asked Questions

What is the CAS number of 6,6-Dimethyl-5,7-dioxaspiro[2.5]octane-4,8-dione?

5617-70-9

What are the molecular formula and molecular weight of 6,6-Dimethyl-5,7-dioxaspiro[2.5]octane-4,8-dione?

C8H10O4, molecular weight 170.163 g/mol

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026