spiro[5.5]undecane-2,4-dione

Names

[ CAS No. ]:
1481-99-8

[ Name ]:
spiro[5.5]undecane-2,4-dione

[Synonym ]:
Spiro<5.5>undecane-2,4-dione
Spirobicyclohexan-3,5-dion

Chemical & Physical Properties

[ Density]:
1.11g/cm3

[ Boiling Point ]:
317.6ºC at 760mmHg

[ Molecular Formula ]:
C₁₁H₁₆O₂

[ Molecular Weight ]:
180.24400

[ Flash Point ]:
134.6ºC

[ Exact Mass ]:
180.11500

[ PSA ]:
34.14000

[ LogP ]:
2.25900

[ Vapour Pressure ]:
0.000181mmHg at 25°C

[ Index of Refraction ]:
1.498

Safety Information

[ Hazard Codes ]:
Xi

[ HS Code ]:
2914299000

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

Methyl(cyclohexylidenemethyl) ketone
Cyclohexanone
4-hexadecyl-phenetole
1-(cyclohexen-1-yl)propan-2-one
Diethyl malonate
cyclohex-1-enylacetyl chloride
Acetic acid,2-cyclohexylidene-
2-cyclohexylideneacetyl chloride

DownStream

1-(Carboxymethyl)cyclohexanecarboxylic acid
2-oxaspiro[4.5]decane-1,3-dione
1,1-Cyclohexanediacetic acid
SPIRO[5.5]UNDECAN-2-ONE
7-(benzenesulfonyl)-1-benzyl-3-phenyl-3,6,7,7a-tetrahydro-2H-imidazo[1,2-b][1,2]oxazole
Spiro[5.5]undecane-3-carboxamide,N-[(4-methylphenyl)sulfonyl]-2,4-dioxo-

Customs

[ HS Code ]: 2914299000

[ Summary ]:
2914299000. other cyclanic, cyclenic or cyclotherpenic ketones without other oxygen function. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0%