has part has part has_part has role has role organic sodium salt fluorochrome histological dye phloxine B phloxine C.I. 45410 D&C Red No. 28 CHEBI:87192 An organic sodium salt that is the disodium salt of 2,3,4,5-tetrachloro-6-(2,4,5,7-tetrabromo-6-hydroxy-3-oxo-3<em>H</em>-xanthen-9-yl)benzoic acid. It is used in the hematoxylin phloxine saffron (HPS) stain, stains paneth cell granules in Lendrum's phloxine-tartrazine method, and can be used to demonstrate alcoholic hyaline. acid red 92 chebi_ontology 2',4',5',7'-tetrabromo-2,3,4,5-tetrachlorofluorescein(2-)