PR 112 – naphthol red AS-D PR 112 – naphthol red AS-D Widely used pigments in industry and arts Manufacturer/ product code: Kremer / 55300Chemical Description: naphtholColor: redColor Index: PR 112Date: 1912 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 (1064 nm) FTIR Spectroscopy (non-invasive )