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Duasyn Ink Blue SLK

Acid Blue 93

Edition Date :
January 01, 2014
Duasyn Ink Blue SLK is a selected water soluble dye with excellent fastness in strong acidic media. Suitable for the coloration of detergents and cleaners. Suitable also for stationery, polishes and fertilizers.


  • Very good stability in acidic media.
  • High tinting strength
  • High brilliancy and transparency in aqueous solution


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Clariant’s colorants suitable for the use in products bearing eco-labels meet also the requirements for not being bio-accumulating. Assessment of the logKow (partition coefficient oil/water) values indicates that all the colorants meet the lowest threshold defined in the corresponding Nordic Ecolabel and EU Ecolabel product group guidelines.

Material meets Clariant's strict purity requirements. 

Please refer to the Material Safety Data Sheet to have the complete and very latest safety information.   

Product Data

Physical Data


pH Value  

4 - 6

Solubility Water[g/l]

approx. 80





Fastness Data
Acid and Alkaline Fastness acidic 






Light FastnessWater Solution


 Pad-Dyeing Paper

2 - 3

(1/3 SD)


Stability to Oxidative and Reductive Agents
Hydrogen Peroxide


Sodium Dithionate



Duasyn Ink Blue SLK is recommended for coloration of acidic and toilet cleaners.


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