Encyclopedic Dictionary of Polymers

2011 Edition
| Editors: Jan W. Gooch

Lithol Rubine

  • Jan W. Gooch
Reference work entry
DOI: https://doi.org/10.1007/978-1-4419-6247-8_6982

Pigment Red 57 (15850). Azo pigment made by diazotizing paratoluidine-meta-sulfonic acid, and coupling with 3-hydroxy-2-naphthoic acid. Pigment is used as the calcium salt. Most frequently encountered in the resinated form, it is characterized by its distinctly brilliant deep masstone and its blue intense tint.

Copyright information

© Springer Science+Business Media, LLC 2011

Authors and Affiliations

  • Jan W. Gooch
    • 1
  1. 1.AtlantaUSA