CAS 3530-19-6

1,3-Naphthalenedisulfonic acid, 8-[2-[4′-[2-(4-ethoxyphenyl)diazenyl][1,1′-biphenyl]-4-yl]diazenyl]-7-hydroxy-, sodium salt (1:2)

Description:

1,3-Naphthalenedisulfonic acid, 8-[2-[4′-[2-(4-ethoxyphenyl)diazenyl][1,1′-biphenyl]-4-yl]diazenyl]-7-hydroxy-, sodium salt (1:2), with CAS number 3530-19-6, is a complex organic compound characterized by its azo dye structure. This substance features multiple functional groups, including sulfonic acid groups, which enhance its solubility in water and contribute to its application in dyeing processes. The presence of the naphthalene core provides stability and color properties, while the ethoxyphenyl and biphenyl moieties introduce additional chromophoric characteristics, making it suitable for various dye applications. As a sodium salt, it exhibits ionic properties that facilitate its use in aqueous solutions. The compound is typically used in the textile industry for dyeing fabrics, as well as in other applications requiring vibrant coloration. Its synthesis and handling require careful consideration of safety protocols due to the potential reactivity of the azo group and the presence of sulfonic acid functionalities. Overall, this compound exemplifies the intricate design of synthetic dyes used in industrial applications.

Formula: C₃₀H₂₄N₄O₈S₂·2Na

InChI: InChI=1S/C30H24N4O8S2.2Na/c1-2-42-25-14-12-24(13-15-25)32-31-22-8-3-19(4-9-22)20-5-10-23(11-6-20)33-34-30-27(35)16-7-21-17-26(43(36,37)38)18-28(29(21)30)44(39,40)41;;/h3-18,35H,2H2,1H3,(H,36,37,38)(H,39,40,41);;

InChI key: InChIKey=GEBPQIVQFJNBNN-UHFFFAOYSA-N

SMILES: N(=NC1=CC=C(C=C1)C2=CC=C(N=NC3=CC=C(OCC)C=C3)C=C2)C=4C5=C(C=C(S(=O)(=O)O)C=C5S(=O)(=O)O)C=CC4O.[Na]

Synonyms:

• (8Z)-8-({4'-[(E)-(4-ethoxyphenyl)diazenyl]biphenyl-4-yl}hydrazono)-7-oxo-7,8-dihydronaphthalene-1,3-disulfonic acid
• 1,3-Naphthalenedisulfonic acid, 8-[2-[4′-[2-(4-ethoxyphenyl)diazenyl][1,1′-biphenyl]-4-yl]diazenyl]-7-hydroxy-, sodium salt (1:2)
• 1,3-Naphthalenedisulfonic acid, 8-[[4′-[(4-ethoxyphenyl)azo][1,1′-biphenyl]-4-yl]azo]-7-hydroxy-, disodium salt
• Airedale Scarlet BD
• Amanil Fast Scarlet B
• Atlantic Scarlet B
• Azine Scarlet BX
• Benzanil Scarlet B
• Benzanol Brilliant Scarlet B
• Benzo Scarlet B
• Benzyl Scarlet BS
• Calcomine Scarlet B
• Chloramine Red B
• Chrome Leather Scarlet BS
• Diamine Scarlet BA-CF
• Diaphtamine Fast Red B
• Diazol Scarlet B
• Diphenyl Red BS
• Diphenyl Scarlet BS
• Direct Fast Scarlet B
• Direct Fast Scarlet BS
• Direct Scarlet BS
• Direct scarlet B
• Erie Scarlet B
• Fenamin Scarlet B
• Kayaku Direct Scarlet B
• Kayaku Direct Scarlet B New
• Mitsui Direct Scarlet BS
• Nippon Scarlet B
• Nitto Direct Scarlet B
• Paper Scarlet BAP
• Paramine Fast Scarlet B
• Phenamine Scarlet B
• Pontamine Scarlet B
• Shikiso Direct Scarlet BX
• Tertrodirect Ponceau B
• Triazol Fast Scarlet B
• Union Fast Scarlet B
• C.I. 22240
• C.I. Direct Red 37, disodium salt
• C.I. Direct Red 37, disodium salt (8CI)
• C.I. Direct Red 37

Direct Scarlet B

CAS: 3530-19-6

Formula: C₃₀H₂₂N₄Na₂O₈S₂

Color and Shape: Solid

Molecular weight: 676.6272

Ref: IN-DA003PQX

Direct Scarlet B (Technical Grade)

Controlled Product

CAS: 3530-19-6

Applications Direct Scarlet B is a dye used with textiles. It is a water pollutant, removed via chitin adsorption.
References Amemiya, T.; et al.: Sen'i Gakkaishi, 70, 145 (2014); Annadurai, G.: Indian Journal of Environmental Protection, 20, 81 (2000).

Formula: C₃₀H₂₂N₄Na₂O₈S₂

Color and Shape: Neat

Molecular weight: 676.63

Ref: TR-D494988