Used as pH indicator. Appearance: Red to brownish yellow powder Clarity & Color: Clarity of alcohol solution: To pass test Clarity of aqueous solution: To pass test Solubility: 0.1% water clear Melting Point: 179-182C Visual Transition Range: pH 4.2 (Pink) to pH 6.2 (Yellow) Specific Absorbtion: 673 (434nm) Dye Content: ~95% Storage: Store at RT
Molecular Weight:
291.28
CAS Number:
[845-10-3]
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