neutral red C
Requires wetting agent. When used with cement only for interior use. Do not treat with hydrochloric acid.
Color: pale red, CI: PR 9.12460
Chemical Formula: C24H17Cl2N3O3
Lightfastness: Concentrated: 7, Medium: 6, Thinned: 5-6 (1 is poor, 8 is best).
Stable in Acid: 5, Alkali: 5, Lime: 5 (1 is poor, 5 is best).
Suitability: Oil, Acrylics, Tempera, Watercolor / Gouache, Lime / Fresco, Cement, Tadelakt