Cas no 12236-10-1 (Disperse Red 91)

Disperse Red 91 structure
Disperse Red 91 structure
Product Name:Disperse Red 91
CAS No:12236-10-1
MF:C20H21NO5
MW:355.384445905685
CID:86762
Update Time:2026-05-14

Disperse Red 91 Chemical and Physical Properties

Names and Identifiers

    • Disperse Red 91
    • 1-amino-4-hydroxy-2-[(6-hydroxyhexyl)oxy]anthracene-9,10-dione
    • Inchi: InChI=1S/C20H21NO5/c21-18-15(26-10-6-2-1-5-9-22)11-14(23)16-17(18)20(25)13-8-4-3-7-12(13)19(16)24/h3-4,7-8,11,22-23H,1-2,5-6,9-10,21H2
    • InChI Key: RQLMZSLFKGNXTO-UHFFFAOYSA-N
    • SMILES: OCCCCCCOC1C=C(O)C2C(C3=CC=CC=C3C(=O)C=2C=1N)=O

Computed Properties

  • Exact Mass: 355.14203
  • Monoisotopic Mass: 355.142
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 3
  • Hydrogen Bond Acceptor Count: 6
  • Heavy Atom Count: 26
  • Rotatable Bond Count: 7
  • Complexity: 510
  • Covalently-Bonded Unit Count: 1
  • Defined Atom Stereocenter Count: 0
  • Undefined Atom Stereocenter Count : 0
  • Defined Bond Stereocenter Count: 0
  • Undefined Bond Stereocenter Count: 0
  • Surface Charge: 0
  • Tautomer Count: 12
  • XLogP3: 3.6
  • Topological Polar Surface Area: 110A^2

Experimental Properties

  • Density: 1.347
  • Boiling Point: 638.6 °C at 760 mmHg
  • Flash Point: 340 °C
  • Refractive Index: 1.649
  • PSA: 109.85
  • LogP: 3.26250
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