Patton-Reeders reagent (Calconcarboxylic acid) (1:100) diluted with K₂SO₄

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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

H0250-1G H0250-25G
TCIAH0250-1GEA 0 GBP
TCIAH0250-1G TCIAH0250-25G
Patton-Reeders reagent (Calconcarboxylic acid) (1:100) diluted with K₂SO₄
Patton-Reeders reagent (Calconcarboxylic acid)
Formula: C₂₁H₁₄N₂O₇S
MW: 438.42 g/mol
Melting Pt: 300 °C
Storage Temperature: Ambient
MDL Number: MFCD00004078
CAS Number: 3737-95-9
EINECS: 223-117-0
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Specification Test Results

Appearance Dark red to Dark purple to Dark blue powder to crystaline
Absorbance 0.600 to 0.800 (Methanol, 550.0 to 560.0 nm)
Sensitiveness Colorimetric Test : Turn Purple with Calcium and turn Blue by adding EDTA 2Na

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