Acid Blue 25

Acid Blue 25
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
ECHA InfoCard 100.026.426 Edit this at Wikidata
EC Number
  • 229-068-1
UNII
  • 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. The structure is an anthraquinone.

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.

Use

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

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.

References

  1. ↑ "Acid Blue 25 (CAS 6408-78-2)". Archived from the original on 2014-03-11. Retrieved 2014-03-11.
  2. 1 2 3 "World dye variety". Archived from the original on 2014-03-06. Retrieved 2014-03-11.
  3. ↑ "PHYSICAL AND CHEMICAL PROPERTIES OF C.I. ACID BLUE 25". Archived from the original on 2014-03-11. Retrieved 2014-03-11.