Acid Blue 25

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Acid Blue 25
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Names
Preferred IUPAC name
Sodium 1-amino-4-anilino-9,10-dioxo-9,10-dihydroanthracene-2-sulfonate
Other names
2-Anthraquinonesulfonic acid, Acid Blue 25
Identifiers
3D model (JSmol)
ChEBI
ChemSpider
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EC Number
  • 229-068-1
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UNII
  • {{#property:P3117}}Lua error in Module:EditAtWikidata at line 29: attempt to index field 'wikibase' (a nil value).
  • InChI=1S/C20H14N2O5S.Na/c21-18-15(28(25,26)27)10-14(22-11-6-2-1-3-7-11)16-17(18)20(24)13-9-5-4-8-12(13)19(16)23;/h1-10,22H,21H2,(H,25,26,27);/q;+1/p-1
    Key: LIKZXCROQGHXTI-UHFFFAOYSA-M
  • C1=CC=C(C=C1)NC2=CC(=C(C3=C2C(=O)C4=CC=CC=C4C3=O)N)S(=O)(=O)[O-].[Na+]
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).

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

Properties and applications

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

Use

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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.

File:000080 Navy Blue Square.svg
The hue of acid Blue 25 is close to dark blue.[3]

References

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