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CAS No 90-94-8 , bis[4-(dimethylamino)phenyl]methanone

  • Name: bis[4-(dimethylamino)phenyl]methanone
  • Synonyms: Michler ketone; bis[4-(dimethylamino)phenyl]methanone;bis[4-(dimethylamino)phenyl]methanone; p,p'-Michler's ketone;4,4'-BIS(DIMETHYLAMINO)BENZOPHENONE; 90-94-8;
  • CAS Registry Number:
  • Melting Point: 173-178 ºC
  • Flash Point: 220 ºC
  • Boiling Point: 360 ºC
  • Density: 1.101 g/cm3
  • Refractive index: 1.612
  • Water Solubility: 400 MG/L (20 ºC)
  • Safety Statements: R41;R45;R68
  • Hazard Symbols: T: Toxic;
  • Flash Point: 220 ºC
  • EINECS: 202-027-5
  • Molecular Weight: 268.3535
  • InchiKey: VVBLNCFGVYUYGU-UHFFFAOYSA-N
  • InChI: InChI=1S/C17H20N2O/c1-18(2)15-9-5-13(6-10-15)17(20)14-7-11-16(12-8-14)19
    (3)4/h5-12H,1-4H3
  • Risk Statements: S45;S53
  • Molecular Formula: C17H20N2O
  • Molecular Structure:CAS No:90-94-8 bis[4-(dimethylamino)phenyl]methanone

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References of bis[4-(dimethylamino)phenyl]methanone
Title: Michler's Ketone
CAS Registry Number: 90-94-8
CAS Name: Bis[4-(dimethylamino)phenyl]methanone
Synonyms: 4,4￠-bis(dimethylamino)benzophenone; tetramethyldiaminobenzophenone
Molecular Formula: C17H20N2O
Molecular Weight: 268.35
Percent Composition: C 76.09%, H 7.51%, N 10.44%, O 5.96%
Literature References: Prepn from dimethylaniline + phosgene: Michler, Ber. 9, 716 (1876); Michler, Dupertius, ibid. 1900; from dimethylaniline, AlCl3 and CCl4: Fierz, Koechlin, Helv. Chim. Acta 1, 218 (1918).
Properties: White to greenish leaflets, mp 172°. bp >360° with decompn. Practically insol in water. Sol in alcohol, warm benzene; very slightly sol in ether.
Melting point: mp 172°
Boiling point: bp >360° with decompn
CAUTION: This substance is reasonably anticipated to be a human carcinogen: Report on Carcinogens, Eleventh Edition (PB2005-104914, 2004) p III-173.
Use: In manuf of dyes and pigments.