|
| 7,7'-[Ureylenebis[(1-hydroxy-3-sodiosulfonaphthalene-6,2-diyl)azo(4,1-phenylene)azo]]bis[naphthalene-1,3-disulfonic acid disodium] salt Basic information |
Product Name: | 7,7'-[Ureylenebis[(1-hydroxy-3-sodiosulfonaphthalene-6,2-diyl)azo(4,1-phenylene)azo]]bis[naphthalene-1,3-disulfonic acid disodium] salt | Synonyms: | 7,7'-[Ureylenebis[(1-hydroxy-3-sodiosulfonaphthalene-6,2-diyl)azo(4,1-phenylene)azo]]bis[naphthalene-1,3-disulfonic acid disodium] salt;C.I.35790;C.I.Direct Red 32;1,3-Naphthalenedisulfonic acid, 7,7'-[carbonylbis[imino(1-hydroxy-3-sulfo-6,2-naphthalenediyl)azo-4,1-phenyleneazo]]bis-, hexasodium salt (9CI);C.I.Direct Red 32:C.I.35790;Direct Red 32 | CAS: | 33448-68-9 | MF: | C53H36N10O21S6.6Na | MW: | 0 | EINECS: | | Product Categories: | | Mol File: | 33448-68-9.mol | |
| 7,7'-[Ureylenebis[(1-hydroxy-3-sodiosulfonaphthalene-6,2-diyl)azo(4,1-phenylene)azo]]bis[naphthalene-1,3-disulfonic acid disodium] salt Chemical Properties |
| 7,7'-[Ureylenebis[(1-hydroxy-3-sodiosulfonaphthalene-6,2-diyl)azo(4,1-phenylene)azo]]bis[naphthalene-1,3-disulfonic acid disodium] salt Usage And Synthesis |
Preparation | 7-Aminonaphthalene-1,3-disulfonic acid diazo, with (Phenylamino)methanesulfonic acid?coupling, and then a sulfonic acid hydrolysis off base, its product (2 Moore) diazo, coupled with N,N’-bis(4-hydroxy-2-sulfonaphthalene-7-yl)urea. | Properties and Applications | blue-ray red.
Standard
|
Acid Resistance
|
Alkali Resistance
|
Light Fastness
|
Soaping
|
Water
|
Fading
|
Stain
|
Fading
|
Stain
|
AATCC
|
4
|
4-5
|
4
|
2
|
|
4
|
|
|
| 7,7'-[Ureylenebis[(1-hydroxy-3-sodiosulfonaphthalene-6,2-diyl)azo(4,1-phenylene)azo]]bis[naphthalene-1,3-disulfonic acid disodium] salt Preparation Products And Raw materials |
|