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ALIZARINE RED S

Product Code: 00860


Specifications

Appearance Yellow to orange to brown powder
Absorption maxima (λmax1) 592 - 599 nm (in 0.1 N NaOH)
Absorption maxima (λmax2) 554 to 558 nm (in 0.1 N NaOH)
Visual transition range pH 3.5 (yellow) to pH 6.5 (pink), pH 9.4 (orange-brown) to pH 12.0 (violet)

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