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Fuchsine Acid BS Grade Reagent

Cas Number:3244-88-0
Formula: C20H17N3Na2O9S3
Molar Mass:585.55
EC Number:221-816-5

Quantity:
  • BS
  • LABOR
  • 402032125

Fuchsine Acid BS Grade Reagent


Cas Number:3244-88-0

Formula: C20H17N3Na2O9S3

Molar Mass:585.55

EC Number:221-816-5


Physicochemical properties:

Dark metallic powder of green metallic luster or olive to dark olive green coarse powder or small pieces. It is a mixture of sodium sulfonate (RosAnilin E) disulfonate sodium salt and sodium trisulfonate sodium salt, ammonium salt. 1g can be dissolved in 7 ml of water and it is slightly soluble in ethanol. The dilute aqueous solution is purple-red, and the extremely dilute aqueous solution (1:10000) is dropped into the concentrated sodium hydroxide solution to fade, but the concentrated hydrochloric acid does not fade. The red to colorless pH is 12-14.


Usage:

Calibrate free chlorine. Biological stain, connective tissue staining. pH indicator.


Packing:

500g/25kg





Item of Analysis

Standard

Biological dyeing test

to pass test


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