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  • 8.08125 - 4,4'-Bis(dimethylamino)-benzophenone

8.08125 EMD Millipore


4,4'-Bis(dimethylamino)-benzophenone for synthesis. CAS 90-94-8, chemical formula (CH₃)₂NC₆H₄COC₆H₄-4-N(CH₃)₂., for synthesis

Synonym: N,N,N,N'-Tetramethyl-4,4'-diaminobenzophenone, Michler ketone

  • CAS Number 90-94-8

  • Linear Formula C₁₇H₂₀N₂O

  • Molecular Weight 268.35 g/mol

  •  EC Number 202-027-5



Related Categories Biochemicals and Reagents More...
packaging   250 g in Plastic bottle (8081250250)
solubility   0.4 g/l
flash point   220 °C
autoignition temp.   480 °C
mp   172 - 175 °C
bulk density   400 kg/m3
LD 50 oral   LD50 Rat > 6400 mg/kg
shipped in   ambient
storage temp.   Store below +30°C.
specifications   Assay (HClO₄): ≥ 97.0 %
  Melting range (lower value): ≥ 171 °C
  Melting range (upper value): ≤ 175 °C
  Identity (IR): passes test

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Safety Information

HS Code 
2922 39 00
Hazard Statement(s) 
H350: May cause cancer.
H318: Causes serious eye damage.
H341: Suspected of causing genetic defects.
Precautionary Statement(s) 
P201: Obtain special instructions before use.
P280: Wear eye protection.
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 
6.1A Combustible substances, toxic
WGK 3 highly water endangering
Carcinogenic compounds and flammable compounds labelled "Highly toxic" or "Toxic": container F. Alkyl sulfates are carcinogenic; Take particular care to avoid inhalation and skin contact. To neutralize alkyl sulfates, add dropwise (from a dropping funnel) to concentrated ice-cool Ammonia solution (Cat.No. 105426) with vigorous stirring. Before placing in container D, check the pH with pH Universal indicator strips (Cat.No. 109535).
Hazard Pictogram(s) 
GHS05  GHS05
Hazard Pictogram(s) 
GHS08  GHS08
Hazard Symbols 
Toxic  Toxic
Categories of danger 
carcinogenic, irritant, mutagenic
R Phrase 
R 45-41-68
May cause cancer.Risk of serious damage to eyes.Possible risk of irreversible effects.
S Phrase 
S 53-45
Avoid exposure - obtain special instructions before use.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).
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