Synonyms:
2,2'-Dihydroxy-4'-sulpho-1,1'-azonaphthalene-3-carboxylic acid
, 3-Hydroxy-4-(2-hydroxy-4-sulpho-1-naphthylazo)naphthalene-2-carboxylic acid
, 2-Hydroxy-1-(2-hydroxy-4-sulpho-1-naphthylazo)-3-naphthoic acid
, 2-Hydroxy-1-(2-hydroxy-4-sulfo-1-naphthylazo)-3-naphthoic acid
, Cal-Red®
, 3-Hydroxy-4-(2-hydroxy-4-sulfo-1-naphthylazo)naphthalene-2-carboxylic acid
, 2,2'-Dihydroxy-4'-sulfo-1,1'-azonaphthalene-3-carboxylic acid
0215745105
IC15745105EA
47.64
USD
InStock
IC15745105
Patton-Reeders reagent (Calconcarboxylic acid), Powder
Patton-reeders reagent (Calconcarboxylic acid)
2-Hydroxy-1-(2-hydroxy-4-sulfo-1-naphthylazo)-3-naphthoic acid is a useful indicator for calcium titrations with EDTA in the presence of magnesium.
Soluble in methanol (clear reddish violet solution), 50 mg plus 5 ml of 1 M NaOH; slightly soluble in water.