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271977

Sigma-Aldrich

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:
3505-67-7
Molecular Weight:
156.14
Beilstein:
128330
EC Number:
222-499-6
MDL number:
MFCD00005531
UNSPSC Code:
12352100
PubChem Substance ID:
24856445
NACRES:
NA.22

Quality Level

100

Assay

98%

form

solid

mp

69-71 °C (lit.)

functional group

ester
ketal

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

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Certificates of Analysis (COA)

Lot/Batch Number
06224EW
06128TT
15624KO
10609HS
15811BS

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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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