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Eriochrome Black T

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For Research Use Only | Not For Clinical Use
CATAPB1787617
CAS1787-61-7
Structure
MDL NumberMFCD00003935
Synonyms1-(1-Hydroxy-2-naphthylazo)-6-nitro-2-naphthol-4-sulfonic Acid Sodium Salt; Mordant Black 11
Molecular Weight461.38
Molecular FormulaC20H12N3NaO7S
AppearanceBlack powder to crystaline
Absorbancemin. 0.400 (10 mg/L, pH9.0, 618.0 to 622.0 nm)
Color Index14645
Reaxys Registry Number7510034
SensitivityTurn pale red purple with zn(1 m mol/L) and turn pale blue by adding EDTA2Na.
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