2, 7-Naphthalenedisulfonic acid, 3-[ (4-formylphenyl)azo]-4, 5-dihydroxy-, disodium salt

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Names

[ CAS No. ]:
5850-58-8

[ Name ]:
2, 7-Naphthalenedisulfonic acid, 3-[ (4-formylphenyl)azo]-4, 5-dihydroxy-, disodium salt

[Synonym ]:
C.I. Acid Red 19,disodium salt
Chromazone Red A
C.I. Acid Red 19
Levamin Red GG
2,3-[(4-formylphenyl)azo]-4,5-dihydroxy-,disodium salt

Chemical & Physical Properties

[ Density]:
1.761g/cm3

[ Molecular Formula ]:
C17H12N2NaO9S2+

[ Molecular Weight ]:
475.40500

[ Exact Mass ]:
474.98800

[ PSA ]:
207.75000

[ LogP ]:
5.13390

[ Index of Refraction ]:
1.735