4,4'-dimethylbenzil
Names
[ CAS No. ]:
3457-48-5
[ Name ]:
4,4'-dimethylbenzil
[Synonym ]:
p-Tolil
1,2-bis(p-methylphenyl)ethanedione
EINECS 222-388-2
1,2-di(4-methylphenyl)-1,2-ethanedione
Di-p-tolylethanedione
4,4'-Dimethylbenzil
1,2-Di-p-tolylethane-1,2-dione
Ethandione,bis(p-tolyl)
1,2-bis(4-methoxyphenyl)-ethane-1,2-dione
4,4'-dimethylbibenzoyl
MFCD00008554
Chemical & Physical Properties
[ Density]:
1.119 g/cm3
[ Boiling Point ]:
211 °C (7 mmHg)
[ Melting Point ]:
102-104 °C(lit.)
[ Molecular Formula ]:
C16H14O2
[ Molecular Weight ]:
238.28100
[ Flash Point ]:
168.6ºC
[ Exact Mass ]:
238.09900
[ PSA ]:
34.14000
[ LogP ]:
3.36900
[ Index of Refraction ]:
1.58
MSDS
Safety Information
[ Personal Protective Equipment ]:
Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
[ Hazard Codes ]:
Xi
[ Risk Phrases ]:
R36/37/38
[ Safety Phrases ]:
S24/25
[ RIDADR ]:
NONH for all modes of transport
[ WGK Germany ]:
3
[ HS Code ]:
2914399090
Synthetic Route
Precursor & DownStream
Precursor
DownStream
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%
Articles
J. Biolumin. Chemilumin. 7(1) , 27-35, (1992)
The pyrolyisis of di-tert-butyl peroxyoxalate in the presence of para-substituted benzaldehydes produces almost quantitatively the corresponding p,p'-disubstituted benzils. The formation of these prod...