ChemicalBook >> CAS DataBase List >>tetrasodium [mu-[[6,6'-[(3,3'-dihydroxy[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[4-amino-5-hydroxynaphthalene-1,3-disulphonato]](8-)]]dicuprate(4-)
tetrasodium [mu-[[6,6'-[(3,3'-dihydroxy[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[4-amino-5-hydroxynaphthalene-1,3-disulphonato]](8-)]]dicuprate(4-)
![tetrasodium [mu-[[6,6'-[(3,3'-dihydroxy[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[4-amino-5-hydroxynaphthalene-1,3-disulphonato]](8-)]]dicuprate(4-) Structure](CAS/20180808/GIF/16143-79-6.gif)
- CAS No.
- 16143-79-6
- Chemical Name:
- tetrasodium [mu-[[6,6'-[(3,3'-dihydroxy[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[4-amino-5-hydroxynaphthalene-1,3-disulphonato]](8-)]]dicuprate(4-)
- Synonyms
- Direct blue 76 (C.I. 24411);C.I.Direct Blue 76:C.I.24411;Direct Blue 76 (Technical Grade);C.I. DIRECT BLUE 76, TETRASODIUM SALT;Tetrasodium [-[[6,6'-[(3,3'-dihydroxy[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[4-amino-5-hydroxynaphthalene-1,3-disulphonato]](8-)]]dicuprate(4-);Tetrasodium [?-[[6,6'-[(3,3'-dihydroxy[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[4-amino-5-hydroxynaphthalene-1,3-disulphonato]](8-)]]dicuprate(4-);tetrasodium [mu-[[6,6'-[(3,3'-dihydroxy[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[4-amino-5-hydroxynaphthalene-1,3-disulphonato]](8-)]]dicuprate(4-);Cuprate(4-), [μ-[[6,6'-[(3,3'-dihydroxy[ 1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[4-amino -5-hydroxy-1,3-naphthalenedisulfonato]](8-)]]di-, tetrasodium;4-amino-6-[[4-[4-[(8-amino-1-oxido-5,7-disulfonatonaphthalen-2-yl)diazenyl]-3-oxidophenyl]-2-oxidophenyl]diazenyl]-5-oxidonaphthalene-1,3-disulfonate;dicopper,tetrasodium,4-amino-6-[[4-[4-[(8-amino-1-oxido-5,7-disulfonatonaphthalen-2-yl)diazenyl]-3-oxidophenyl]-2-oxidophenyl]diazenyl]-5-oxidonaphthalene-1,3-disulfonate
- CBNumber:
- CB3877957
- Molecular Formula:
- C32H16Cu2N6O16S4.4Na
- Molecular Weight:
- 1087.81
- MDL Number:
- MOL File:
- 16143-79-6.mol
Last updated:2025-12-31 14:38:37
| Product description | Number | Pack Size | Price |
| Direct Blue 76 (Technical Grade) | TRC-D492955-25MG | 25mg | $234 |
| Direct Blue 76 (Technical Grade) | TRC-D492955-250MG | 250mg | $1677 |
| Direct Blue 76 (Technical Grade) | TRC-D492955-100MG | 100mg | $819 |
| Direct blue 76 | FD166936 | 5mg | $164.9 |
| Direct blue 76 | FD166936 | 10mg | $247.4 |
| More product size | |||
tetrasodium [mu-[[6,6'-[(3,3'-dihydroxy[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[4-amino-5-hydroxynaphthalene-1,3-disulphonato]](8-)]]dicuprate(4-) Properties
| storage temp. | Hygroscopic, -20°C Freezer, Under inert atmosphere |
|---|---|
| solubility | DMSO (Slightly, Heated, Sonicated), Methanol (Very Slightly), Water (Slightly) |
| form | Solid |
| color | Dark Purple to Dark Brown |
| Stability | Hygroscopic |
| FDA UNII | B2ZEL2D0RH |
| EPA Substance Registry System | C.I. Direct Blue 76, tetrasodium salt (16143-79-6) |
tetrasodium [mu-[[6,6'-[(3,3'-dihydroxy[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[4-amino-5-hydroxynaphthalene-1,3-disulphonato]](8-)]]dicuprate(4-) price
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| TRC | TRC-D492955-25MG | Direct Blue 76 (Technical Grade) | 16143-79-6 | 25mg | $234 | 2026-06-03 | Buy |
| TRC | TRC-D492955-250MG | Direct Blue 76 (Technical Grade) | 16143-79-6 | 250mg | $1677 | 2026-06-03 | Buy |
| TRC | TRC-D492955-100MG | Direct Blue 76 (Technical Grade) | 16143-79-6 | 100mg | $819 | 2026-06-03 | Buy |
| Biosynth | FD166936 | Direct blue 76 | 16143-79-6 | 5mg | $164.9 | 2026-06-04 | Buy |
| Biosynth | FD166936 | Direct blue 76 | 16143-79-6 | 10mg | $247.4 | 2026-06-04 | Buy |
tetrasodium [mu-[[6,6'-[(3,3'-dihydroxy[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[4-amino-5-hydroxynaphthalene-1,3-disulphonato]](8-)]]dicuprate(4-) Chemical Properties,Uses,Production
Uses
Direct Blue 76 is a cotton polyester dye. Direct Blue 76 is an azo dye on cellophane film.
Preparation
3,3′-Dimethoxylbenzidine double nitriding, in alkaline conditions and 4-Amino-5-hydroxynaphthalene-1,3-disulfonic acid (2 Moore) coupling, and then into copper complex.
Properties and Applications
green light blue
| Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
| Fading | Stain | Fading | Stain | ||||
| ISO | 5 | 4-5 | 5 | 3 | 3 | ||
| AATCC | 4 | 4 | 5-6 | 3 | 2 | ||
tetrasodium [mu-[[6,6'-[(3,3'-dihydroxy[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[4-amino-5-hydroxynaphthalene-1,3-disulphonato]](8-)]]dicuprate(4-) Preparation Products And Raw materials
Raw materials
Preparation Products
Global( 8)Suppliers
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Shaanxi Dideu Newmaterial Co., Ltd. | 029-63373950 17392216152 | 1050@dideu.com | China | 9998 | 58 |
| LGC Science (Shanghai) Ltd. | 17717235263 | offer.de@lgcgroup.com | China | 18798 | 58 |
| Shanghai Haohong Scientific Co., Ltd. | 400-8210725 4008210725 | malulu@leyan.com | China | 39320 | 58 |
| Biosynth Biological Technology (Suzhou) Co Ltd | -- | sales@biosynth.com | China | 6051 | 58 |
| Carbosynth | -- | sales@carbosynth.com | United Kingdom | 6005 | 58 |
tetrasodium [mu-[[6,6'-[(3,3'-dihydroxy[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[4-amino-5-hydroxynaphthalene-1,3-disulphonato]](8-)]]dicuprate(4-)
C.I. DIRECT BLUE 76, TETRASODIUM SALT
Direct blue 76 (C.I. 24411)
Cuprate(4-), [μ-[[6,6'-[(3,3'-dihydroxy[ 1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[4-amino -5-hydroxy-1,3-naphthalenedisulfonato]](8-)]]di-, tetrasodium
dicopper,tetrasodium,4-amino-6-[[4-[4-[(8-amino-1-oxido-5,7-disulfonatonaphthalen-2-yl)diazenyl]-3-oxidophenyl]-2-oxidophenyl]diazenyl]-5-oxidonaphthalene-1,3-disulfonate
4-amino-6-[[4-[4-[(8-amino-1-oxido-5,7-disulfonatonaphthalen-2-yl)diazenyl]-3-oxidophenyl]-2-oxidophenyl]diazenyl]-5-oxidonaphthalene-1,3-disulfonate
Cuprate(4-), [μ-[[6,6'-[[3,3'-di(hydroxy-κO)[1,1'-biphenyl]-4,4'-diyl]bis(2,1-diazenediyl-κN1)]bis[4-amino-5-(hydroxy-κO)-1,3-naphthalenedisulfonato]](8-)]]di-, sodium (1:4)
Direct Blue 76 (Technical Grade)
C.I.Direct Blue 76:C.I.24411
Tetrasodium [?-[[6,6'-[(3,3'-dihydroxy[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[4-amino-5-hydroxynaphthalene-1,3-disulphonato]](8-)]]dicuprate(4-)
Tetrasodium [-[[6,6'-[(3,3'-dihydroxy[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[4-amino-5-hydroxynaphthalene-1,3-disulphonato]](8-)]]dicuprate(4-)
16143-79-6
C32H16Cu2N6O16S44Na
C32H16Cu2N6Na4O16S4
Organometallics
