| Identification | Back Directory | [Name]
Cuprate(2-), [μ-[[7,7'-(carbonyldiimino) bis[3-[[5-(aminosulfonyl)-2-hydroxyphenyl]azo ]-4-hydroxy-2-naphthalenesulfonato]](6-)]]di-, disodium | [CAS]
6661-33-2 | [Synonyms]
Direct Red 98
C.I.Direct Red 98:C.I.29230
Cuprate(2-), [μ-[[7,7'-(carbonyldiimino) bis[3-[[5-(aminosulfonyl)-2-hydroxyphenyl]azo ]-4-hydroxy-2-naphthalenesulfonato]](6-)]]di-, disodium | [Molecular Formula]
C33H26Cu2N8Na2O15S4+2 | [MOL File]
6661-33-2.mol | [Molecular Weight]
1075.94 |
| Hazard Information | Back Directory | [Preparation]
3-Amino-4-hydroxybenzenesulfonamide (2 Moore) diazo, and N,N’-bis(4-hydroxy-2-sulfonaphthalene-7-yl)urea coupling, and then turn it into copper complex. | [Properties and Applications]
red to Claret. Soluble in water for red light purple. The strong sulfuric acid in red for Violet, diluted becomes shallow. The dye solution to join strong hydrochloric acid have red light purple precipitation; Add sodium hydroxide to red light purple.
|
Standard
|
Acid Resistance
|
Alkali Resistance
|
Light Fastness
|
Soaping
|
Water
|
|
Fading
|
Stain
|
Fading
|
Stain
|
|
ISO
|
1-2
|
4
|
6-7
|
2
|
|
2
|
|
|
|
|