Acid Blue 25

Acid Blue 25 (C20H13N2NaO5S) is an acid dye that is water-soluble and anionic and used for adsorption researches.[1] The structure is an anthraquinone.[2]

Acid Blue 25
Names
IUPAC name
Sodium 1-amino-4-anilino-9,10-dioxoanthracene-2-sulfonate
Other names
2-Anthraquinonesulfonic acid, Acid Blue 25
Identifiers
3D model (JSmol)
ChEBI
ChemSpider
ECHA InfoCard 100.026.426
EC Number
  • 229-068-1
UNII
Properties
C20H13N2NaO5S
Molar mass 416.38 g·mol−1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Properties and applications

Acid Blue 25 is powder-like and poorly soluble in water. The dye is soluble in solvents such as acetone and ethanol.[2]

Use

Acid Blue 25 is used for dyeing wool, silk and mixed fabric and printing them in a direct method.[2]

The dye is extensively utilized to color leather, paper, cellulose, and PC blends during the manufacturing process.

The hue of acid Blue 25 is close to dark blue.[3]
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References
  1. "Acid Blue 25 (CAS 6408-78-2)". Archived from the original on 2014-03-11. Retrieved 2014-03-11.
  2. "World dye variety".
  3. "PHYSICAL AND CHEMICAL PROPERTIES OF C.I. ACID BLUE 25".
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