2,3,4,5,6-pentamethylbenzophenone

Names

[ CAS No. ]:
20386-33-8

[ Name ]:
2,3,4,5,6-pentamethylbenzophenone

[Synonym ]:
2,3,4,5,6-Pentamethyl benzopheneone
MFCD00051595
2,3,4,5,6-Pentamethyl-benzophenon
benzoylpentamethylbenzene
2,3,4,5,6-PENTAMETHYLBENZOPHENONE
2,3'-ANHYDROURIDINE-5'-O-CYANOETHYLDIISOPROPYLPHOSPHORAMIDITE
2,3,4,5,6-pentamethyl-benzophenone

Chemical & Physical Properties

[ Density]:
1.013g/cm3

[ Boiling Point ]:
380.9ºC at 760mmHg

[ Melting Point ]:
135-137 °C(lit.)

[ Molecular Formula ]:
C₁₈H₂₀O

[ Molecular Weight ]:
252.35100

[ Flash Point ]:
163.8ºC

[ Exact Mass ]:
252.15100

[ PSA ]:
17.07000

[ LogP ]:
4.45960

[ Vapour Pressure ]:
5.27E-06mmHg at 25°C

[ Index of Refraction ]:
1.557

Safety Information

[ Hazard Codes ]:
Xi: Irritant;

[ Risk Phrases ]:
R36/37/38

[ Safety Phrases ]:
S26-S36

[ WGK Germany ]:
3

[ HS Code ]:
2914399090

Synthetic Route

Click to get detail synthetic route

Customs

[ HS Code ]: 2914399090

[ Summary ]:
2914399090. other aromatic ketones without other oxygen function. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0%