MATISSE STR 75ML Perinone Orange S7 initially discovered by Hoechst AG

initially discovered by Hoechst AG in 1924 as a vat dye and then available to artists as a pigment in the 1950s

Pen type: Fountain pen

or Aqua Green Light for greenish greys

Helpful measurements:

MATISSE STR 75ML Perinone Orange S7 initially discovered by Hoechst AGName: Perinone Orange Pigment tier: Series 7 Available size: 75ml Description from Matisse: Perinone orange PO43 (C26H12N4O2) is a trans isomer of Perinone. It is produced by condensing a Naphthalene compound with o Phenylenediamine. This synthesised organic pigment, initially discovered by Hoechst AG in 1924 as a vat dye and then available to artists as a pigment in the 1950s, has excellent lightfastness (ASTM I) in mass tone and especially in tints.