benzo-12-crown-4

Names

[ Name ]:
benzo-12-crown-4

[Synonym ]:
BENZO-12-CROWN-4
2,3-Benzo-1,4,7,10-tetraoxadodec-2-ene
2,5,8,11-tetraoxabicyclo[10.4.0]hexadeca-1(16),12,14-triene
1,4,7,10-Benzotetraoxacyclododecin, 2,3,5,6,8,9-hexahydro-
2,3,5,6,8,9-Hexahydro-1,4,7,10-benzotetraoxacyclododecine
MFCD00059934

Chemical & Physical Properties

[ Density]:
1.1±0.1 g/cm3

[ Boiling Point ]:
341.8±37.0 °C at 760 mmHg

[ Melting Point ]:
42-45 °C(lit.)

[ Molecular Formula ]:
C₁₂H₁₆O₄

[ Molecular Weight ]:
224.253

[ Flash Point ]:
136.4±33.3 °C

[ Exact Mass ]:
224.104858

[ PSA ]:
36.92000

[ LogP ]:
0.78

[ Vapour Pressure ]:
0.0±0.7 mmHg at 25°C

[ Index of Refraction ]:
1.479

MSDS

Click to get detail MSDS

Safety Information

[ Hazard Codes ]:
Xi,Xn

[ Risk Phrases ]:
R36/37/38

[ Safety Phrases ]:
S22-S24/25

[ WGK Germany ]:
3

[ HS Code ]:
2932999099

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

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%