Permanent Red FGR is an organic monoazo pigment that appears as bright red flaky crystals. It appears reddish-purple in concentrated sulfuric acid and produces a bluish-red precipitate upon dilution, with a pH range of 3.5–7.0. This pigment offers a lightfastness of up to grade 7 and heat resistance of 160–170°C. It provides semi-transparent color coverage and is suitable for applications in inks, plastics (such as PS/ABS/PVC), automotive coatings, rubber, and synthetic fiber mass coloration.