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4,4'-Bis(diethylamino) benzophenone

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4,4'-Bis(diethylamino) benzophenone Basic information

Product Name:
4,4'-Bis(diethylamino) benzophenone
Synonyms:
  • ETHYL MICHLER'S KETONE
  • 4,4'-DIETHYLAMINOBENZOPHENONE
  • 4,4-BIS(DIETHYLAMINO) BENZOPHENONE
  • 4,4'-BIS(DIETHYLAMINO)BENZOPHENONE
  • 4,4’-di(N,N-Diethylamino)benzophenone
  • 4,4'-Carbonylbis(N,N-diethylaniline)
  • Bis[4-(diethylamino)phenyl] ketone
  • MICHLER ETHYLKETONE
CAS:
90-93-7
MF:
C21H28N2O
MW:
324.46
EINECS:
202-025-4
Product Categories:
  • Functional Materials
  • Photopolymerization Initiators
  • Intermediates of Dyes and Pigments
  • C15 to C38
  • Carbonyl Compounds
  • Ketones
  • Aromatic Benzophenones & Derivatives (substituted)
  • Amine Photochemical CoinitiatorsPolymerization Initiators
  • Benzophenone
  • Organic Photoinitiators
  • Polymer Science
  • Polymerization Initiators
  • 90-93-7
Mol File:
90-93-7.mol
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4,4'-Bis(diethylamino) benzophenone Chemical Properties

Melting point:
89-92 °C(lit.)
Boiling point:
475.7±30.0 °C(Predicted)
Density 
1.048±0.06 g/cm3(Predicted)
vapor pressure 
0Pa at 20℃
Flash point:
151 °C
storage temp. 
Store below +30°C.
solubility 
Chloroform (Slightly), Methanol (Slightly)
pka
4.14±0.32(Predicted)
form 
Crystalline Granules
color 
Yellow to yellow-green
PH
4-6 (50g/l, H2O, 20℃)
Water Solubility 
insoluble
Sensitive 
Light Sensitive
λmax
352nm(THF)(lit.)
BRN 
2148611
InChIKey
VYHBFRJRBHMIQZ-UHFFFAOYSA-N
LogP
5.2 at 35℃
CAS DataBase Reference
90-93-7(CAS DataBase Reference)
EPA Substance Registry System
Methanone, bis[4-(diethylamino)phenyl]- (90-93-7)
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Safety Information

Hazard Codes 
Xi,N
Risk Statements 
36/37/38-50/53
Safety Statements 
26-60-61-36-24/25
RIDADR 
UN 3077 9/PG 3
WGK Germany 
2
RTECS 
OS9545500
8
Hazard Note 
Irritant
TSCA 
Yes
HazardClass 
9
PackingGroup 
III
HS Code 
29223990
Toxicity
LD50 orally in Rabbit: 5000 mg/kg

MSDS

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4,4'-Bis(diethylamino) benzophenone Usage And Synthesis

Chemical Properties

YELLOW TO YELLOW-GREEN CRYSTALLINE GRANULES

Flammability and Explosibility

Not classified

Purification Methods

Crystallise the phenone from EtOH (25mL/g) and dry it under vacuum. Its picrate forms yellow needles from EtOH with m 178.5o. [Beilstein 14 II 59.]

4,4'-Bis(diethylamino) benzophenone Preparation Products And Raw materials

Raw materials

Preparation Products

4,4'-Bis(diethylamino) benzophenoneSupplier

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