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Molecular formula: C16H10N2Na2O7S2 CAS# 1936-15-8
11.514 pH
Names
English:
1,3-Naphthalenedisulfonic acid, 7-hydroxy-8- (phenylazo)-, disodium salt
1,3-Naphthalenedisulfonic acid, 7-hydroxy-8-[(E)-2-phenyldiazenyl]-, sodium salt (1:2)(CAS)
1,3-naphthalenedisulfonic acid, 7-hydroxy-8-[(E)-phenylazo]-, disodium salt
1Q6EJU80RN
C.I. 16230
C.I. 27
C.I. Food Orange 4
Disodium 7-hydroxy-8-[(E)-phenyldiazenyl]-1,3-naphthalenedisulfonate(IUPAC)
Disodium 7-hydroxy-8-[(E)-phenyldiazenyl]naphthalene-1,3-disulfonate
EINECS:208-346-6
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Variants of the formula:

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