| Identification |
| Name: | 1,5-Naphthalenedisulfonicacid,3-[2-[4-[2-[4-[2-(2-amino-8-hydroxy-6-sulfo-1-naphthalenyl)diazenyl]-7-sulfo-1-naphthalenyl]diazenyl]-6-sulfo-1-naphthalenyl]diazenyl]-,sodium salt (1:5) |
| Synonyms: | 1,5-Naphthalenedisulfonicacid,3-[[4-[[4-[(2-amino-8-hydroxy-6-sulfo-1-naphthalenyl)azo]-7-sulfo-1-naphthalenyl]azo]-6-sulfo-1-naphthalenyl]azo]-,pentasodium salt (9CI); C.I. Direct Black 74, pentasodium salt (8CI); AizenPrimula Grey G; C.I. 34180; C.I. Direct Black 74; Chrome Leather Grey GL;Dialuminous Grey G; Direct Black 74; Direct Fast Grey Z; Direct Lightfast GreyZ; Helion Grey GL; Helion Grey GS; Sirius Grey G; Solantine Grey BL; SoliusLight Grey G; Sumilight Grey G; Tertrodirect Fast G; Tetramine Fast Grey BExtra |
| CAS: | 6428-56-4 |
| Molecular Formula: | C40H27 N7 O16 S5 . 5 Na |
| Molecular Weight: | 1131.91 |
| InChI: | InChI=1/C16H23N3O3/c1-3-13(4-2)16(20)18-11-9-17(10-12-18)14-5-7-15(8-6-14)19(21)22/h5-8,13H,3-4,9-12H2,1-2H3 |
| Molecular Structure: |
![(C40H27N7O16S5.5Na) 1,5-Naphthalenedisulfonicacid,3-[[4-[[4-[(2-amino-8-hydroxy-6-sulfo-1-naphthalenyl)azo]-7-sulfo-1-na...](https://img1.guidechem.com/chem/e/dict/31/6428-56-4.jpg) |
| Properties |
| Flash Point: | 256.8°C |
| Boiling Point: | 501°C at 760 mmHg |
| Density: | 1.164g/cm3 |
| Refractive index: | 1.555 |
| Flash Point: | 256.8°C |
| Safety Data |
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