Chemzip

Pigment Red 57:1 (Rubine Red, Naphthol Red 2B)

CAS Number: 5281-04-9

Pigment Red 57:1 (PR 57:1, Rubine or Lithol Rubine) is the most widely used magenta/red pigment in offset lithographic and gravure printing inks, especially for process magenta in CMYK. A barium salt laked azo pigment, PR 57:1 delivers brilliant magenta hue, very high transparency, and outstanding gloss in oil-based offset inks, making it the standard for magazine and catalog printing as well as decorative packaging.

Technical Specifications

appearanceBrilliant red to magenta fine powder
moisture (%)≤1.5
heat stability (°C)150–170
particle size (d50, µm)0.1–0.4
lightfastness (blue-wool)4–5

Applications

  • Process magenta in CMYK offset lithographic inks
  • Gravure magenta for magazine and catalog printing
  • Flexo red and magenta inks for packaging
  • Decorative offset ink for carton and label printing
  • Publication screen-printing magenta inks

Key Features

  • Brilliant magenta hue as standard process CMYK color
  • Extremely high transparency for excellent overprint gamut
  • Outstanding gloss in offset lithographic ink vehicles
  • Consistent hue angle for reliable color management in printing

Send Inquiry

Your information is used only to respond to your inquiry and will not be shared.

Pigment Red 57:1 (Rubine Red, Naphthol Red 2B) chemical structure

CAS Number

5281-04-9

Availability

In Stock

Sample

Dispatched within 5 days

Get a QuoteWhatsApp

More in Printing Ink Chemicals

Frequently Bought With

TelegramWhatsApp