| Identification | |
| Name: | Direct Black 166 |
| Synonyms: | 2,7-Naphthalenedisulfonicacid,4-amino-3-[[4-[[[4-[(2,4-diaminophenyl)azo]phenyl]amino]carbonyl]phenyl]azo]-5-hydroxy-6-(phenylazo)-,disodium salt (9CI); C.I. Direct Black 166 |
| CAS: | 57131-19-8 |
| EINECS: | 276-529-8 |
| Molecular Formula: | C35H28N10O8S2?2Na |
| Molecular Weight: | 824.764 |
| InChI: | InChI=1/C35H28N10O8S2.2Na/c36-21-8-15-27(26(37)18-21)43-40-25-13-11-22(12-14-25)39-35(47)19-6-9-24(10-7-19)42-44-32-28(54(48,49)50)16-20-17-29(55(51,52)53)33(34(46)30(20)31(32)38)45-41-23-4-2-1-3-5-23;;/h1-18,46H,36-38H2,(H,39,47)(H,48,49,50)(H,51,52,53);;/q;2*+1/p-2/b43-40+,44-42+,45-41+;; |
| Molecular Structure: | ![(C35H28N10O8S2?2Na) 2,7-Naphthalenedisulfonicacid,4-amino-3-[[4-[[[4-[(2,4-diaminophenyl)azo]phenyl]amino]carbonyl]pheny...](https://img.guidechem.com/casimg/57131-19-8.gif) |
| Properties | |
| Flash Point: | °C |
| Boiling Point: | °Cat760mmHg |
| Density: | g/cm3 |
| Flash Point: | °C |
| Safety Data | |
 |
|
