ITEM#: 4836-161471000
MFR#: 161471000
Ponceau S, C22H12N4Na4O13S4, CAS Number-6226-79-5, 3-Hydroxy-4-[2-sulfo-4-(4-sulfophenylazo)phenylazo]-2, 7-naphthalenedisulfonic acid, tetrasodium salt, C.I. 27195, 100g, Bordeaux to Brown-Red, Solubility .To pass testE1%1cm .>-350L g-1cm-