Acid Blue 25

{{chembox

|Name=Acid Blue 25

|ImageFile=Acid Blue 25.svg

|ImageSize=200px

|PIN= Sodium 1-amino-4-anilino-9,10-dioxo-9,10-dihydroanthracene-2-sulfonate

|OtherNames= 2-Anthraquinonesulfonic acid, Acid Blue 25

| Section1 = {{Chembox Identifiers

| CASNo= 6408-78-2

| CASNo_Ref = {{cascite|correct|CAS}}

| UNII_Ref = {{fdacite|correct|FDA}}

| UNII = S2E15W6FSN

| EINECS = 229-068-1

| PubChem = 23675622

| ChemSpiderID = 21462

| SMILES=C1=CC=C(C=C1)NC2=CC(=C(C3=C2C(=O)C4=CC=CC=C4C3=O)N)S(=O)(=O)[O-].[Na+]

| 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

| InChIKey = LIKZXCROQGHXTI-UHFFFAOYSA-M

| StdInChI_Ref =

| StdInChI =

| StdInChIKey_Ref =

| StdInChIKey =

| ChEBI_Ref =

| ChEBI = 538892

}}

|Section2= {{Chembox Properties

| C=20|H=13|N=2|Na=1|O=5|S=1

| Appearance=

| Density=

| MeltingPt=

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Acid Blue 25 (C20H13N2NaO5S) is an acid dye that is water-soluble and anionic and used for adsorption research.{{cite web |url=http://www.scbt.com/datasheet-214470-acid-blue-25.html |title=Acid Blue 25 (CAS 6408-78-2) |access-date=2014-03-11 |archive-url=https://web.archive.org/web/20140311094143/http://www.scbt.com/datasheet-214470-acid-blue-25.html |archive-date=2014-03-11 |url-status=dead }} The structure is an anthraquinone.{{cite web |url=http://www.worlddyevariety.com/acid-dyes/acid-blue-25.html |title=World dye variety}}

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.

[[File:000080 Navy Blue Square.svg|150px|thumbnail|left|The hue of acid Blue 25 is close to dark blue.{{cite web |url=http://chemicalland21.com/specialtychem/finechem/BLUE%20A.htm |title=PHYSICAL AND CHEMICAL PROPERTIES OF C.I. ACID BLUE 25}}

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References

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