Patton-Reeders reagent (Calconcarboxylic acid), powder

Supplier: MP Biomedicals

Synonyms: 3-Hydroxy-4-(2-hydroxy-4-sulpho-1-naphthylazo)naphthalene-2-carboxylic acid, Calconcarboxylic acid, Cal-Red®, 2,2'-Dihydroxy-4'-sulpho-1,1'-azonaphthalene-3-carboxylic acid, 3-Hydroxy-4-((2-hydroxy-4-sulphonaphthalen-1-yl)diazenyl)-2-naphthoic acid, 2-Hydroxy-1-(2-hydroxy-4-sulpho-1-naphthylazo)-3-naphthoic acid

0215745105
ICNA0215745105EA 50.7 EUR
ICNA0215745105
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.

Formula: C₂₁H₁₄N₂O₇S
MW: 438.42 g/mol
MDL Number: MFCD00004078
CAS Number: 3737-95-9

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