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

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Names

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

[Synonym ]:
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

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

Safety Information

[ HS Code ]:
2932999099

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

ethene
Malonic acid
Diethyl malonate

DownStream

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%

Related Compounds

2,2,7,7-tetraphenyl-3,8-dioxaspiro[4.4]nonane-4,9-dione
2,7-bis(iodomethyl)-3,8-dioxaspiro[4.4]nonane-4,9-dione
2,7-bis(bromomethyl)-3,8-dioxaspiro[4.4]nonane-4,9-dione
2,7-bis(chloromethyl)-3,8-dioxaspiro[4.4]nonane-4,9-dione
7-(anilinomethyl)-2-methyl-3,8-dioxaspiro[4.4]nonane-4,9-dione
2-methyl-7-(piperidin-1-ylmethyl)-3,8-dioxaspiro[4.4]nonane-4,9-dione
1,1,5,5,5-Pentafluoropentan-2-one
2-Isocyanato-1-methoxy-2-methylpropane
3-acetyl-5-bromo-3,4-dihydro-1H-2-benzopyran-1-one
5-[(2,4,6-trimethylphenyl)methyl]-1H-imidazol-2-amine
Methyl 1,6-dichloroisoquinoline-3-carboxylate
5-bromo-1-oxo-3,4-dihydro-1H-2-benzopyran-3-carboxylic acid
7-methoxy-1-oxo-3,4-dihydro-1H-2-benzopyran-3-carboxylic acid
5-Fluoro-1-oxoisochromane-3-carboxylic acid
7-Bromo-5-fluoro-1-oxo-3,4-dihydroisochromene-3-carboxylic acid
8-Chloro-1-oxoisochromane-3-carboxylic acid

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