2,7-Naphthalenedisulfonicacid,4-amino-3-[2-[4'-[2-(1-amino-5-sulfo-2-naphthalenyl)diazenyl][1,1'-biphenyl]-4-yl]diazenyl]-5-hydroxy-6-(2-phenyldiazenyl)-,sodium salt (1:3)
Names
[ CAS No. ]:
6486-54-0
[ Name ]:
2,7-Naphthalenedisulfonicacid,4-amino-3-[2-[4'-[2-(1-amino-5-sulfo-2-naphthalenyl)diazenyl][1,1'-biphenyl]-4-yl]diazenyl]-5-hydroxy-6-(2-phenyldiazenyl)-,sodium salt (1:3)
[Synonym ]:
C.I. Direct Black 131
Paradiamine Blue Black 3B Extra Conc
Chemical & Physical Properties
[ Density]:
1.659g/cm3
[ Molecular Formula ]:
C38H28N8NaO10S3+
[ Molecular Weight ]:
875.86100
[ Exact Mass ]:
875.09900
[ PSA ]:
334.68000
[ LogP ]:
13.92110
[ Index of Refraction ]:
1.775