6,6-Dimethyl-5,7-dioxaspiro(2.5)octane-4,8-dione

Modify Date: 2024-01-01 18:55:50

6,6-Dimethyl-5,7-dioxaspiro(2.5)octane-4,8-dione Structure
6,6-Dimethyl-5,7-dioxaspiro(2.5)octane-4,8-dione structure
Common Name 6,6-Dimethyl-5,7-dioxaspiro(2.5)octane-4,8-dione
CAS Number 5617-70-9 Molecular Weight 170.163
Density 1.3±0.1 g/cm3 Boiling Point 396.8±35.0 °C at 760 mmHg
Molecular Formula C8H10O4 Melting Point 63-65 °C(lit.)
MSDS Chinese USA Flash Point 215.9±24.4 °C

 Use of 6,6-Dimethyl-5,7-dioxaspiro(2.5)octane-4,8-dione


Solubility in Methanol:almost transparency

 Names

Name Cycl-Isopropylidene Cyclopropane-1,1-Dicarboxylate
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.3±0.1 g/cm3
Boiling Point 396.8±35.0 °C at 760 mmHg
Melting Point 63-65 °C(lit.)
Molecular Formula C8H10O4
Molecular Weight 170.163
Flash Point 215.9±24.4 °C
Exact Mass 170.057907
PSA 52.60000
LogP -1.01
Vapour Pressure 0.0±0.9 mmHg at 25°C
Index of Refraction 1.502

 Safety Information

Personal Protective Equipment Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Safety Phrases S22-S24/25
RIDADR NONH for all modes of transport
WGK Germany 3
HS Code 2932999099

 Synthetic Route

~82%

6,6-Dimethyl-5,7-dioxaspiro(2.5)octane-4,8-dione Structure

6,6-Dimethyl-5,...

CAS#:5617-70-9

Literature: Toth, Gyoergy; Tamas, Tivadar; Borbely, Ildiko Synthetic Communications, 2002 , vol. 32, # 23 p. 3659 - 3665

~82%

6,6-Dimethyl-5,7-dioxaspiro(2.5)octane-4,8-dione Structure

6,6-Dimethyl-5,...

CAS#:5617-70-9

Literature: Zhu, Xuxiang; Gan, Ping Synthetic Communications, 1998 , vol. 28, # 17 p. 3159 - 3162

 Customs

HS Code 2932999099
Summary 2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Synonyms

6,6-Dimethyl-5,7-dioxaspiro(2.5)octane-4,8-dione
5,7-Dioxaspiro[2.5]octane-4,8-dione, 6,6-dimethyl-
EINECS 227-044-5
MFCD00042796
6,6-DIMETHYL-5,7-DIOXASPIRO[2.5]OCTANE-4,8-DIONE