# Direct Blue 15

> Mediated Wiki article. Canonical URL: https://mediated.wiki/source/Direct_Blue_15
> Markdown URL: https://mediated.wiki/source/Direct_Blue_15.md
> Source: https://en.wikipedia.org/wiki/Direct_Blue_15
> Source revision: 1262711889
> License: Creative Commons Attribution-ShareAlike 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/)

{{Chembox
| ImageFile = Direct Blue 15.svg
| ImageSize = 420
| ImageAlt = 
| IUPACName = 
| OtherNames = 
|Section1={{Chembox Identifiers
| CASNo = 2429-74-5
| CASNo_Ref = {{cascite|correct|CAS}}
| ChemSpiderID = 4586373
| UNII_Ref = {{fdacite|correct|FDA}}
| UNII = 5C44C6888V
| PubChem = 17059
| EC_number = 219-385-3
| InChI=1S/C34H28N6O16S4.4Na/c1-55-25-9-15(3-5-23(25)37-39-31-27(59(49,50)51)11-17-7-19(57(43,44)45)13-21(35)29(17)33(31)41)16-4-6-24(26(10-16)56-2)38-40-32-28(60(52,53)54)12-18-8-20(58(46,47)48)14-22(36)30(18)34(32)42;;;;/h3-14,37-38H,35-36H2,1-2H3,(H,43,44,45)(H,46,47,48)(H,49,50,51)(H,52,53,54);;;;/q;4*+1/p-4
| InChIKey = JDCJCNVYTGPGAN-UHFFFAOYSA-J
| SMILES = COC1=C(C=CC(=C1)C2=CC(=C(C=C2)NN=C3C(=CC4=CC(=CC(=C4C3=O)N)S(=O)(=O)[O-])S(=O)(=O)[O-])OC)NN=C5C(=CC6=CC(=CC(=C6C5=O)N)S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+].[Na+].[Na+] }}
|Section2={{Chembox Properties
| C=34 | H=24 | N=6 | O=16 | S=4|Na=4
| MolarMass =
| Appearance = dark blue solid
| Density = 
| MeltingPt = 
| BoilingPt = 
| Solubility = good}}
|Section3={{Chembox Hazards
| MainHazards = 
| GHSPictograms = {{GHS08}}
| GHSSignalWord= Danger
| HPhrases = {{H-phrases|350}}
| PPhrases = {{P-phrases|201|202|281|308+313|405|501}}
| AutoignitionPt = }}
}}

'''Direct Blue 15''' is an [organic compound](/source/organic_compound) that is classified as an [azo dye](/source/azo_dye).  It is a dark blue water soluble solid.  It is a popular [substantive dye](/source/substantive_dye), which means that it useful for dying cotton and related [cellulosic material](/source/cellulosic_material)s.  It is produced by [azo coupling](/source/azo_coupling) of [o-dianisidine](/source/O-Dianisidine) with the appropriate [naphthalene disulfonate](/source/naphthalene_disulfonate).<ref name=Ullmann>{{cite encyclopedia|author1=Klaus Hunger|author2=Peter Mischke|author3=Wolfgang Rieper|author4=Roderich Raue|author5=Klaus Kunde|author6=Aloys Engel|encyclopedia=Ullmann’s Encyclopedia of Industrial Chemistry|year=2005|publisher=Wiley-VCH|place=Weinheim|doi=10.1002/14356007.a03_245|chapter=Azo Dyes|isbn=3527306730}}.</ref>

==References==
{{Reflist}}

Category:Azo dyes
Category:Naphthalenesulfonic acids
Category:1-Naphthols
Category:Naphthylamines

---
Adapted from the Wikipedia article [Direct Blue 15](https://en.wikipedia.org/wiki/Direct_Blue_15) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Direct_Blue_15?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.