1,5-Cyclooctanedione

Names

[ Name ]:
1,5-Cyclooctanedione

[Synonym ]:
3,4-[(Thiophene-3,4-diyl)bis(thiophene-3,4-diyl)]thiophene
1,4-cyclooctanedione
Tetra-(3,4-thienylen)
cycloocta-1,5-dione
Cyclooctane-1,5-dione
cycloocta[1,2-c:3,4-c':5,6-c'':7,8-c''']tetrathiophene
1,5-cyclooctadione
cyclotetrathiophene

Chemical & Physical Properties

[ Density]:
1.038g/cm3

[ Boiling Point ]:
260.7ºC at 760mmHg

[ Molecular Formula ]:
C₈H₁₂O₂

[ Molecular Weight ]:
140.18000

[ Flash Point ]:
96.3ºC

[ Exact Mass ]:
140.08400

[ PSA ]:
34.14000

[ LogP ]:
1.47880

[ Vapour Pressure ]:
0.012mmHg at 25°C

[ Index of Refraction ]:
1.462

Safety Information

[ HS Code ]:
2914299000

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

DownStream

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%