Congo red 25g

Congo red (C.I. 22120) for microscopy 0322 It is not required to list the identified uses because the substance is not subject to registration according to REACH (< 1 t/a). Disodium-3,3′[[1,1-biphenyl]-4,4′- diyl(bis(azo)]bis(4-aminonaphthalin-1-sulfonate), Direct Red 28 1.2 Relevant identified uses of the substance or mixture and uses advised against Relevant identified uses: Laboratory chemical Laboratory and analytical use Uses advised against: Do not use for products which come into contact with foodstuffs. Do not use for private purposes (household).