Current location:Home > Pharmaceutical
Cost-effective and customizable trisodium bis[3-hydroxy-4-[(2-hydroxy-1-naphthyl)azo]-7-nitronaphthalene-1-sulphonato(3-)]chromate(3-) 57693-14-8 in stock
- Molecular Formula: C40H20CrN6Na3O14S2
- Molecular Weight: 993.71
- Vapor Pressure: 0Pa at 25℃
- PKA: 9.34[at 20 ℃]
- PSA: 364.48000
- Density: 1539[at 20℃]
- LogP: 14.22460
trisodium bis[3-hydroxy-4-[(2-hydroxy-1-naphthyl)azo]-7-nitronaphthalene-1-sulphonato(3-)]chromate(3-)(Cas 57693-14-8) Usage
|
Preparation |
4-Amino-3-hydroxynaphthalene-1-sulfonic acid diazo, and Naphthalen-2-ol coupling, and then translate into 1:2 chromium complex. |
|
Flammability and Explosibility |
Nonflammable |
|
Properties and Applications |
black. Dark brown powder, soluble in water. Used for wool, polyamide fiber, silk and their blended fabric dyeing and printing directly, also can used for leather dyeing. Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater Fading Stain Fading Stain Fading Stain ISO 7 4-5 5 5 |
|
Standard |
Light Fastness |
|
Fading |
Stain |
|
ISO |
7 |
InChI:InChI=1/2C20H17N3O7S.Cr.3Na/c2*24-15-9-8-11-4-1-2-5-12(11)19(15)21-22-20-13-6-3-7-14(23(26)27)18(13)17(10-16(20)25)31(28,29)30;;;;/h2*1-3,7-10,14,24-25H,4-6H2,(H,28,29,30);;;;/q;;4*+1/p-4/b2*22-21-;;;;/rC40H30CrN6O14S2.3Na/c48-46(49)27-13-5-11-25-35(27)33(62(52,53)54)19-31-39(25)44-42-37-23-9-3-1-7-21(23)15-17-29(37)58-41(60-31)59-30-18-16-22-8-2-4-10-24(22)38(30)43-45-40-26-12-6-14-28(47(50)51)36(26)34(63(55,56)57)20-32(40)61-41;;;/h1-6,13-20,27-28H,7-12H2,(H,52,53,54)(H,55,56,57);;;/q-3;3*+1/b44-42-,45-43-;;;