Patton-Reeders reagent (Calconcarboxylic acid), Powder - 5g - IC15745105
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Patton-Reeders reagent (Calconcarboxylic acid), Powder - 5g - IC15745105
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
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.
| Formula: C₂₁H₁₄N₂O₇S MW: 438.42 g/mol |
MDL Number: MFCD00004078 CAS Number: 3737-95-9 |
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Patton-Reeders reagent (Calconcarboxylic acid), Powder - 5g - IC15745105
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