PR 173 – rhodamine B PR 173 – rhodamine B Used as a fluorescent colorant Manufacturer/ product code: CAS 509-34-2Chemical Description: rhodamineColor: redColor Index: PR 175Date: 1887 Reflectance Spectroscopy (350-950 nm) Reflectance Spectroscopy (200-1250 nm) Reflectance Spectroscopy (950-1700 nm) XRF Spectroscopy Raman Spectroscopy (785 nm) Raman Spectroscopy (830 nm) Raman Spectroscopy (1064 nm) FTIR Spectroscopy (non-invasive )