• USA Home
  • 8.20161 - 4,4'-Bis(diethylamino)-benzophenone

8.20161 EMD Millipore


4,4'-Bis(diethylamino)-benzophenone for synthesis. CAS 90-93-7, chemical formula 4-C₂H₅)₂NC₆H₄COC₆H₄-4-N(C₂H₅)₂., for synthesis

Synonym: N,N,N',N'-Tetraethyl-4,4'-diaminobenzophenone, Michler ethylketone

  • CAS Number 90-93-7

  • Linear Formula C₂₁H₂₈N₂O

  • Molecular Weight 324.46 g/mol

  •  EC Number 202-025-4



Related Categories Biochemicals and Reagents More...
packaging   50 g in Glass bottle (8201610050)
flash point   151 °C
mp   90 - 95 °C
pH   4 - 6 (50 g/l, H₂O, 20 °C)
bulk density   400 kg/m3
LD 50 oral   LD50 Rat 5000 mg/kg
shipped in   ambient
storage temp.   Store below +30°C.
specifications   Assay (HPLC, area%): ≥ 98.0 % (a/a)
  Melting range (lower value): ≥ 90 °C
  Melting range (upper value): ≤ 95 °C
  Identity (IR): passes test

Price and Availability

Ask us for bulk and customization needs

My Chemicals
Safety & Documentation

Safety Information

HS Code 
2922 39 00
Hazard Statement(s) 
H319: Causes serious eye irritation.
H411: Toxic to aquatic life with long lasting effects.
Precautionary Statement(s) 
P273: Avoid release to the environment.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Storage class 
10 - 13 Other liquids and solids
WGK 2 water endangering
Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.
Hazard Pictogram(s) 
GHS07  GHS07
Hazard Pictogram(s) 
GHS09  GHS09
Hazard Symbols 
Dangerous for the environment  Dangerous for the environment
Hazard Symbols 
Irritant  Irritant
Declaration (railroad and road) ADR, RID 
UN 3077 , 9, III
Declaration (transport by air) IATA-DGR 
UN 3077 , 9, III
Declaration (transport by sea) IMDG-Code 
UN 3077 , 9, III, Marine Pollutant: P
Categories of danger 
irritant, dangerous for the environment
R Phrase 
R 36-51/53
Irritating to eyes.Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
S Phrase 
S 61
Avoid release to the environment. Refer to special instructions/ Safety data sheets.
Protocols & Articles
Related Products

Technical Service:

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Bulk Ordering & Pricing:

Need larger quantities for your development, manufacturing or research applications?