3,8-dioxaspiro[4.4]nonane-4,9-dione

Modify Date: 2025-09-15 12:54:39

3,8-dioxaspiro[4.4]nonane-4,9-dione Structure
3,8-dioxaspiro[4.4]nonane-4,9-dione structure
Common Name 3,8-dioxaspiro[4.4]nonane-4,9-dione
CAS Number 4372-10-5 Molecular Weight 156.13600
Density 1.36g/cm3 Boiling Point 452.5ºC at 760 mmHg
Molecular Formula C7H8O4 Melting Point N/A
MSDS N/A Flash Point 254.1ºC

 Names

Name 2,7-dioxaspiro[4.4]nonane-1,6-dione
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.36g/cm3
Boiling Point 452.5ºC at 760 mmHg
Molecular Formula C7H8O4
Molecular Weight 156.13600
Flash Point 254.1ºC
Exact Mass 156.04200
PSA 52.60000
Index of Refraction 1.507
InChIKey AQNNKYGJUVBZJF-UHFFFAOYSA-N
SMILES O=C1OCCC12CCOC2=O

 Safety Information

HS Code 2932999099

 Synthetic Route

~28%

3,8-dioxaspiro[4.4]nonane-4,9-dione Structure

3,8-dioxaspiro[...

CAS#:4372-10-5

Literature: Fristad, William E.; Hershberger, Susan S. Journal of Organic Chemistry, 1985 , vol. 50, # 7 p. 1026 - 1031

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3,8-dioxaspiro[4.4]nonane-4,9-dione Structure

3,8-dioxaspiro[...

CAS#:4372-10-5

Literature: Packendorff Doklady Akademii Nauk SSSR, 1939 , vol. 25, p. 390 Chem.Abstr., 1940 , p. 4382

 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

Di-(2-hydroxyethyl)malonsaeure-dilacton
2,7-dioxaspiro<4.4>nonane-1,6-dione
3,8-dioxaspiro[4.4]nonane-4,9-dione
2,7-Dioxa-spiro<4,4>nonandion-1,6
2,7-Dioxa-spiro[4.4]nonan-1,6-dion
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