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Ponceau 2R

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Ponceau 2R

Molecular formula: C18H14N2Na2O7S2 CAS# 3761-53-3
Categories: Azo compound , Dye , Organic salt , Phenols
2,6-Naphthalenedisulfonic acid, 4-[(E)-2-(2,4-dimethylphenyl)diazenyl]-3-hydroxy-, sodium salt (1:2)(CAS)
2,6-naphthalenedisulfonic acid, 4-[(E)-(2,4-dimethylphenyl)azo]-3-hydroxy-, disodium salt
3761-53-3 [RN]
Acid Red 26
C.I. 16150
D & C red no. 5
Disodium 4-[(E)-(2,4-dimethylphenyl)diazenyl]-3-hydroxy-2,6-naphthalenedisulfonate(IUPAC)
Disodium 4-[(E)-(2,4-dimethylphenyl)diazenyl]-3-hydroxynaphthalene-2,6-disulfonate
Food Red 5
Ponceau 2R [Wiki]
Ponceau G
Ponceau MX
Ponceau Red R
Red R
Xylidine ponceau
Xylidine ponceau 2R
acetacid red j
acid ponceau r
acid scarlet 2R
acilan ponceau rrl
ahcocid fast scarlet r
aizen ponceau rh
amacid scarlet 2R
calcocid scarlet 2R
calcolake scarlet 2R
certicol ponceau mxs
comacid scarlet 2R
edicol ponceau rs
hexacol ponceau 2R
hispacid ponceau r
java ponceau 2R
kiton ponceau 2R
lake scarlet r
naphthalene scarlet r
naphthazine scarlet 2R
neklacid red rr
new ponceau 4R
paper red hrr
pigment ponceau r
scarlet 2R
xylidine red

Variants of the formula:

-/-\\<`/`=`\/`\>-N//N-/<`\HO>=</SO3^-# -0Na^+>\`//`-<`\\>`/\\-<//`\>\SO3^-# -0Na^+
Elemental composition
Can't show the diagram.
Symbol Element Atomic weight Number of atoms Mass percent