product Name:Pigment red 257
  • Organic Nickel Violet [GU]; Pigment Red 257; Red Violet 3RL; 4,5,6,7-tetrachloro-3-nitroso-2H-isoindol-1-amine
  • 117989-29-4
  • 274-916-6
  • C8H3Cl4N3O
  • 298.9409
  • InChI=1/C8H3Cl4N3O/c9-3-1-2(4(10)6(12)5(3)11)8(15-16)14-7(1)13/h14H,13H2
  • Pigment red 257 117989-29-4
  • 2.05g/cm3
  • 581.2°C at 760 mmHg
  • 1.792
  • 305.3°C
  • 1.68E-13mmHg at 25°C