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β-Naphthol Violet

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β-Naphthol Violet

Molecular formula: C16H9N3Na2O9S2 CAS# 7143-21-7
Categories: Azo compound , pH indicator , Nitro compound , Organic salt
PubChem CID: 9589403 | MolPort-006-118-499 | CB0738073
10 ⇌ 12.1 pH
Names
English:
2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-[(E)-2-(4-nitrophenyl)diazenyl]-, sodium salt (1:2)(CAS)
Disodium 3-hydroxy-4-((4-nitrophenyl)azo)naphthalene-2,7-disulphonate
Disodium 3-hydroxy-4-[(E)-(4-nitrophenyl)diazenyl]-2,7-naphthalenedisulfonate(IUPAC)
Disodium 3-hydroxy-4-[(E)-(4-nitrophenyl)diazenyl]naphthalene-2,7-disulfonate
beta-NAPHTHOL VIOLET
β-Naphthol Violet

Variants of the formula:

O`^-\N^+<`//O>-//-\\<`/`=`\>-N//N-\<`/HO>=<\S<_qq4O><_pp4O>_(a0)O^-# -0Na^+>/`\\`-<`//>`\//-<\\`/>/S<_qq4O><_pp4O>_(a0)O^-# -0Na^+
Na^+/0O`^-\S<_qq4O><_pp4O>\//\|\//`|</S<_qq4O><_pp4O>/O^-\0Na^+>`\\`/|`/<`\`/O/`|>||N`/HN|\||`/<`\\`|//>|N^+`/O/\O^-
Elemental composition
Can't show the diagram.
Symbol Element Atomic weight Number of atoms Mass percent