CAS 7143-21-7: 2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-[2-(4-nitrophenyl)diazenyl]-, sodium salt (1:2)

Formula: C₁₆H₁₁N₃O₉S₂·2Na

InChI: InChI=1S/C16H11N3O9S2.2Na/c20-16-14(30(26,27)28)8-9-7-12(29(23,24)25)5-6-13(9)15(16)18-17-10-1-3-11(4-2-10)19(21)22;;/h1-8,20H,(H,23,24,25)(H,26,27,28);;

InChI key: InChIKey=NMLRQMQCMDMAHL-UHFFFAOYSA-N

SMILES: [Na].O=N(=O)C1=CC=C(N=NC=2C(O)=C(C=C3C=C(C=CC32)S(=O)(=O)O)S(=O)(=O)O)C=C1

Synonyms:

• (4Z)-4-[(4-nitrophenyl)hydrazono]-3-oxo-3,4-dihydronaphthalene-2,7-disulfonic acid
• 2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-[(4-nitrophenyl)azo]-, disodium salt
• 2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-[(p-nitrophenyl)azo]-, disodium salt
• 2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-[2-(4-nitrophenyl)diazenyl]-, sodium salt (1:2)
• 2-Naphthol-3,6-disulfonic acid, 1-(p-nitrophenylazo)-, disodium salt

Sodium 3-hydroxy-4-((4-nitrophenyl)diazenyl)naphthalene-2,7-disulfonate

CAS: 7143-21-7

• Formula: C16H9N3Na2O9S2
• Purity: 98%
• Color and Shape: Solid
• Molecular weight: 497.37

β-Naphthol Violet

CAS: 7143-21-7

• Formula: C₁₆H₉N₃Na₂O₉S₂
• Purity: 98%
• Color and Shape: Solid
• Molecular weight: 497.3669

β-Naphthol Violet

CAS: 7143-21-7

• Formula: C₁₆H₉N₃O₉S₂· 2Na
• Molecular weight: 451.38 22.99

2-Naphthol violet

CAS: 7143-21-7

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• Formula: C₁₆H₉N₃Na₂O₉S₂
• Purity: Min. 95%
• Color and Shape: Powder
• Molecular weight: 497.36 g/mol