271977
1,6-Dioxaspiro[4.4]nonane-2,7-dione
98%
Synonym(s):
4,4-Dihydroxypimelic acid dilactone, Spirodilactone
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About This Item
Empirical Formula (Hill Notation):
C7H8O4
CAS Number:
Molecular Weight:
156.14
Beilstein:
128330
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22
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![SPIRO[4.4]NONANE-1,6-DIONE AldrichCPR](/deepweb/assets/sigmaaldrich/product/structures/203/753/b2926467-9ec5-4f44-abeb-11cdcbf86594/640/b2926467-9ec5-4f44-abeb-11cdcbf86594.png)
Assay
98%
form
solid
mp
69-71 °C (lit.)
SMILES string
O=C1CCC2(CCC(=O)O2)O1
InChI
1S/C7H8O4/c8-5-1-3-7(10-5)4-2-6(9)11-7/h1-4H2
InChI key
VTQYOGUFKHVWOO-UHFFFAOYSA-N
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Application
1,6-Dioxaspiro[4.4]nonane-2,7-dione was used to cure diglycidylether of bisphenol A (DGEBA) with ytterbium triflate as initiator.
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
Certificates of Analysis (COA)
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New degradable thermosets obtained by cationic copolymerization of DGEBA with an s (γ-butyrolactone).
Gimenez R, et al.
Polymer, 46(24), 10637-10647 (2005)
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