CAS 1681-60-3

2,7-Naphthalenedisulfonic acid, 3-[2-(4-aminophenyl)diazenyl]-4,5-dihydroxy-, sodium salt (1:2)

Description:

2,7-Naphthalenedisulfonic acid, 3-[2-(4-aminophenyl)diazenyl]-4,5-dihydroxy-, sodium salt (1:2), commonly referred to as a dye or pigment, is characterized by its complex molecular structure that includes a naphthalene backbone with multiple sulfonic acid groups and an azo group (-N=N-). This compound is typically used in dyeing processes due to its ability to impart vivid colors to textiles and other materials. The presence of hydroxyl groups enhances its solubility in water, making it suitable for various applications in aqueous environments. As a sodium salt, it exhibits ionic characteristics, contributing to its stability and solubility. The compound's azo linkage is significant in dye chemistry, as it allows for the formation of strong colorants through resonance and electronic effects. Additionally, the amino group can participate in further chemical reactions, making this compound versatile in synthetic applications. Overall, its unique structural features and functional groups make it an important substance in the field of dyes and pigments.

Formula: C₁₆H₁₃N₃O₈S₂·2Na

InChI: InChI=1S/C16H13N3O8S2.2Na/c17-9-1-3-10(4-2-9)18-19-15-13(29(25,26)27)6-8-5-11(28(22,23)24)7-12(20)14(8)16(15)21;;/h1-7,20-21H,17H2,(H,22,23,24)(H,25,26,27);;

InChI key: InChIKey=NPCPMIUCYOWFOR-UHFFFAOYSA-N

SMILES: OC=1C2=C(C=C(S(=O)(=O)O)C1N=NC3=CC=C(N)C=C3)C=C(S(=O)(=O)O)C=C2O.[Na]

Synonyms:

• 2,7-Naphthalenedisulfonic acid, 3-[(4-aminophenyl)azo]-4,5-dihydroxy-, disodium salt
• 2,7-Naphthalenedisulfonic acid, 3-[2-(4-aminophenyl)diazenyl]-4,5-dihydroxy-, sodium salt (1:2)
• Acid Leather Violet 4BS
• Acid Violet
• Acid Violet 3
• Acid Violet 4BS
• Acid Violet EB
• Acilan Violet 4BS
• Amacid Victoria Violet 4BS
• Azo Wool Violet 4B
• Azoic Violet 4BS
• Calcocid Violet 4BS
• Erio Violet B
• Fabracid Violet S 4BS
• Hispacid Violet 4B
• Kiton Violet 3B
• Kiton Violet 4BS
• Merantine Violet AV
• Naphtocard Victoria Violet 4BS
• Pontacyl violet 4BSN
• Tertracid Violet 4BS
• Victoria Violet 4BS
• Victoria Violet 7BS
• Wool Violet 4BS
• disodium (3E)-3-[2-(4-aminophenyl)hydrazinylidene]-5-hydroxy-4-oxo-3,4-dihydronaphthalene-2,7-disulfonate
• C.I. 16580
• C.I. Acid Violet 3
• C.I. Acid Violet 3, disodium salt
• C.I. Acid Violet 3

3-((4-Aminophenyl)diazenyl)-4,5-dihydroxynaphthalene-2,7-disulfonic acid, sodium salt

CAS: 1681-60-3

Formula: C₁₆H₁₃N₃NaO₈S₂

Purity: 95%

Color and Shape: Solid

Molecular weight: 462.4095

Ref: IN-DA003TUU

Acid Violet 3

CAS: 1681-60-3

Acid Violet 3 is a fluorescent dye that belongs to the group of quinoline derivatives. It is used as a stain in the textile industry, for example to detect and identify human keratin in clothing. Acid Violet 3 has been shown to bind to the amide group of proteins, which are found in high concentrations in nerve cells.

Formula: C₁₆H₁₁N₃Na₂O₈S₂

Purity: Min. 95%

Color and Shape: Powder

Molecular weight: 483.38 g/mol

Ref: 3D-BAA68160