We supply high quality dyes, pigments and chemical auxiliaries for industrial coloring purposes. We serve a broad base of customers in textile, paper, ink and other industries where color applications are required.

Dyes

Toners/Crystal Lactones

ORCO Crystal Violet Lactone - Blue

  • Chemical Name: 6-(Dimethylamino)-3,3-bis(4-(dimethylamino)phenyl)-(3H)-isobenzofuranoe
  • Molecular Formula: C26H29N3O2
  • Molecular Weight: 415.53
  • CAS#: 1552-42-7
  • Specifications:
    Appearance White to fluorescent powder
    Purity (%) >96
    Total colorless dye (%) >97
    Color intensity (%) >97 (as compared with standard reference)
    Diarylethane insoluble
    substances (%)    		 <0.2
    mp (°C) >178
    Volatile substances (%) <0.1
  • Application: dark blue press-sensitive and heat sensitive dyes for press-sensitive action paper and carbonless copying paper. Packaging: Double plastic lined paper drum, net weight 20Kg or 25 Kg.

ORCO Black ODB-1

  • Molecular formula: C31H28N2O3
  • Molecular weight: 476.58
  • CAS#: 29512-49-0
  • Specifications:
    Appearance White to fluorescent powder
    Purity (%) >98
    Moisture (%) <0.2
    Ash (%) <0.2
    Melt Point (°C) 192-186

ORCO Black ODB-2

  • Molecular formula: C35H36N2O3
  • Molecular weight: 532.70
  • CAS#: 89331-94-2
  • Specifications:
    Appearance White to fluorescent powder
    Purity (%) >98
    Moisture (%) <0.2
    Ash (%) <0.2
    Melt Point (°C) 182-184

ORCO Red CK-16

  • Molecular formula: C42H52N2O2
  • Molecular weight: 616.9
  • CAS#: 50292-95-0
  • Specifications:
    Appearance White to fluorescent powder
    Purity (%) >98
    Moisture (%) <0.2
    Ash (%) <0.2
    Melt Point (°C) 91-94