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7,7'-[Ureylenebis[(1-hydroxy-3-sodiosulfonaphthalene-6,2-diyl)azo(4,1-phenylene)azo]]bis[naphthalene-1,3-disulfonic acid disodium] salt

7,7'-[Ureylenebis[(1-hydroxy-3-sodiosulfonaphthalene-6,2-diyl)azo(4,1-phenylene)azo]]bis[naphthalene-1,3-disulfonic acid disodium] salt Structure
7,7'-[Ureylenebis[(1-hydroxy-3-sodiosulfonaphthalene-6,2-diyl)azo(4,1-phenylene)azo]]bis[naphthalene-1,3-disulfonic acid disodium] salt structure
CAS No.
33448-68-9
Chemical 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
C.I.35790;Direct Red 32;C.I.Direct Red 32;C.I.Direct Red 32:C.I.35790;7,7'-[Ureylenebis[(1-hydroxy-3-sodiosulfonaphthalene-6,2-diyl)azo(4,1-phenylene)azo]]bis[naphthalene-1,3-disulfonic acid disodium] salt;1,3-Naphthalenedisulfonic acid, 7,7'-[carbonylbis[imino(1-hydroxy-3-sulfo-6,2-naphthalenediyl)azo-4,1-phenyleneazo]]bis-, hexasodium salt (9CI)
CBNumber:
CB32177868
Molecular Formula:
C53H36N10O21S6.6Na
Molecular Weight:
0
MDL Number:
MOL File:
33448-68-9.mol
Request For Quotation

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,Uses,Production

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

Raw materials

6,6'-Ureylene-bis(1-naphthol-3-sulfonic acid) METHANESULFONIC ACID ANILINE 7-Amino-1,3-naphthalenedisulfonic acid

Preparation Products

33448-68-9(7,7'-[Ureylenebis[(1-hydroxy-3-sodiosulfonaphthalene-6,2-diyl)azo(4,1-phenylene)azo]]bis[naphthalene-1,3-disulfonic acid disodium] salt)Related Search:

C.I. Direct red 42 vital new red 5-[[4'-[(6-Amino-1-hydroxy-3-sulfo-2-naphtyl)azo]-1,1'-biphenyl-4-yl]azo]-2-hydroxybenzoic acid disodium salt DIRECT FAST RED 3B DIRECT RED 31
DIRECT RED 37 C.I. Direct Red 36, tetrasodium salt DIRECT RED 4 3-Amino-4-[[4'-[(2-amino-8-hydroxy-6-sodiosulfo-1-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2,7-disulfonic acid disodium salt

1of2

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 33448-68-9 C53H36N10O21S66Na