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Amaranth

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Amaranth

Molecular formula: C20H11N2Na3O10S3 CAS# 915-67-3
Names
English:
2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-((4-sulfo-1-naphthalenyl)azo)-, trisodium salt
2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-[2-(4-sulfo-1-naphthalenyl)diazenyl]-, sodium salt (1:3)(CAS)
Acid Red 27
Amaranth
Amaranth (dye) [Wiki]
Azorubin S
C.I. 16185
C.I. Food Red 9
E123
EINECS:213-022-2
FD&C Red No. 2
Trisodium 3-hydroxy-4-[(4-sulfonato-1-naphthyl)diazenyl]-2,7-naphthalenedisulfonate(IUPAC)
trisodium;(4Z)-3-oxo-4-[(4-sulfonatonaphthalen-1-yl)hydrazinylidene]naphthalene-2,7-disulfonate(IUPAC)

Variants of the formula:

N`|`\`/O/`|<`\S<_qq4O><_pp4O>`\O`^-`/0Na^+>//\|\//`|</S<_qq4O><_pp4O>/O^-\0Na^+>`\\`/|`/|`/HN|\\|`//<|S<_qq4O><_pp4O>|O^-\0Na^+>`\`//`\`||/\\<|>/
`\<`/HO>`||<`\S<_qq4O><_pp4O>`\O`^-`/0Na^+>/\\/\\</S<_qq4O><_pp4O>/O^-\0Na^+>|`//`\<`|>`//|N\\N|\|\//`|`\\`/|`/<`\\`|//>|S<_qq4O><_pp4O>|O^-\0Na^+
``-`/\-/`\_o`-0`\<`-NaO3`S>/-\<`/_o>_(A-30)N\\N_(A-30)/<`\HO>-</SO3Na>\`/`-<`\_o>`/\-<\SO3Na>/`\_o
Elemental composition
Can't show the diagram.
Symbol Element Atomic weight Number of atoms Mass percent