| Identification | Back Directory | [Name]
3-(Phenylazo)-4,5-dihydroxy-2,7-naphthalenedisulfonic acid | [CAS]
13432-13-8 | [Synonyms]
3-Phenylazochromotropic acid
2-(Phenylazo)-1,8-dihydroxy-3,6-naphthalenedisulfonic acid
3-(Phenylazo)-4,5-dihydroxy-2,7-naphthalenedisulfonic acid | [Molecular Formula]
C16H12N2O8S2 | [MOL File]
13432-13-8.mol | [Molecular Weight]
424.41 |
| Hazard Information | Back Directory | [Definition]
ChEBI: 4,5-dihydroxy-3-(phenyldiazenyl)naphthalene-2,7-disulfonic acid is a naphthalenesulfonic acid that is naphthalene-2,7-disulfonic acid carrying two additional hydroxy substituents at positions 4 and 5 as well as a phenyldiazenyl substituent at position 3. The disodium salt is the biological stain 'acid red 29'. It is a member of azobenzenes, a naphthalenesulfonic acid and a member of naphthalenediols. It is a conjugate acid of a 4,5-dihydroxy-3-(phenyldiazenyl)naphthalene-2,7-disulfonate. |
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