Alizarin red S for microscopy 100GM Go Back

CASR

: 130-22-3

Molecular Formula

: C14H6Na2O7S

Molecular Weight

: 364.24
Specifications  
Description: Yellow to orange powder.
Solubility: Soluble in water and alcohol.
Dye content (Spectrophotometry, on dry basis): min. 70.00%
pH transition range (pH 4.3 - 6.3): Brilliant yellow to pink
pH transition range (pH 9.4 - 12.0): Brown orange to violet
Absorption, L max (pH 4.3): 418 - 424nm
Absorption, L max (pH 6.3): 514 - 520nm
Absorption, L max (pH 9.4): 445 - 451nm
Absorption, L max (pH 12.0): 554 - 558nm
Loss on drying,110°C: 8.00% max.
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