PR 255 – pyrrole scarlet PR 255 – pyrrole scarlet One of the most lightfast red organic pigments Manufacturer/ product code: Kremer / 23179Chemical Description: diketo-pyrrolo-pyrroleColor: redColor Index: PR 255Date: from 1983 Reflectance Spectroscopy (350-950 nm) Reflectance Spectroscopy (200-1250 nm) Reflectance Spectroscopy (950-1700 nm) XRF Spectroscopy Raman Spectroscopy (532 nm) Raman Spectroscopy (785 nm) Raman Spectroscopy (830 nm) Raman Spectroscopy (1064 nm) FTIR Spectroscopy (non-invasive )