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Sulfonazo III

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For Research Use Only | Not For Clinical Use
CATAPB68504358
CAS68504-35-8
Structure
MDL NumberMFCD00003942
Synonyms2,7-Bis(2-sulfophenylazo)-1,8-dihydroxynaphthalene-3,6-disulfonic Acid Tetrasodium Salt
Molecular Weight776.55
Molecular FormulaC22H12N4Na4O14S4
DescriptionSpectrophotometric reagent for alkaline earth metals and indicator for the precipitation titration of SO4 with Ba
Purity>90.0%(HPLC)
AppearanceDark green to black powder to crystal
Reaxys Registry Number7512193
SensitivityColorimetric test: turn purple with barium
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