Benzenesulfonic acid,2,2'-(1,2-ethenediyl)bis[5-[2-(3,4-dihydroxyphenyl)diazenyl]-, ammonium salt(1:2)
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Names
[ CAS No. ]:
1571-36-4
[ Name ]:
Benzenesulfonic acid,2,2'-(1,2-ethenediyl)bis[5-[2-(3,4-dihydroxyphenyl)diazenyl]-, ammonium salt(1:2)
[Synonym ]:
Diammonium 2,2'-[(E)-1,2-ethenediyl]bis{5-[(E)-(3,4-dihydroxyphenyl)diazenyl]benzenesulfonate}
EINECS 216-389-7
Diammonium 4,4'-bis((3,4-dihydroxyphenyl)azo)stilbene-2,2'-disulphonate
Stilbazo=Spectrophotmetricreagentfor
Benzenesulfonic acid, 2,2'-[(E)-1,2-ethenediyl]bis[5-[(E)-2-(3,4-dihydroxyphenyl)diazenyl]-, diammonium salt
Diammonium 2,2'-(E)-ethene-1,2-diylbis{5-[(E)-(3,4-dihydroxyphenyl)diazenyl]benzenesulfonate}
Chemical & Physical Properties
[ Density]:
1.72 g/cm3
[ Melting Point ]:
77-81 °C
[ Molecular Formula ]:
C26H26N6O10S2
[ Molecular Weight ]:
646.649
[ Exact Mass ]:
646.115173
[ PSA ]:
262.34000
[ LogP ]:
8.81300
[ Index of Refraction ]:
1.767
Safety Information
[ Hazard Codes ]:
Xi
[ Risk Phrases ]:
R36/37/38
[ Safety Phrases ]:
26-36/37/39