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Thorin

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For Research Use Only | Not For Clinical Use
CATAPB3688924
CAS3688-92-4
Structure
MDL NumberMFCD00003888
Synonyms1-(2-Arsonophenylazo)-2-naphthol-3,6-disulfonic Acid Disodium Salt; Aspan; 2-(2-Hydroxy-3,6-disulfo-1-naphthylazo)benzenearsonic Acid Disodium Salt; Thoron; Disodium 1-(2-Arsonophenylazo)-2-naphthol-3,6-disulfonate
Molecular Weight576.29
Molecular FormulaC16H11AsN2Na2O10S2
Purity>98.0%(T)(HPLC)
AppearanceOrange to brown to dark red powder to crystal
ApplicationUsed for determination of Th, etc.
StorageStore under inert gas
Absorbancemin. 0.500 (25mg/L, H2O, 480.0 to 490.0 nm) (calcd.on dried substance)
SensitivityColorimetric test: turn yellow red with sodium sulfate and turn red by adding barium perchlorate
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