111Category: |
Dyestuffs and Pigments/Acid Dyes |
|
CAS NO: |
3051-11-4 |
EC NO: |
221-267-1 |
Molecular Formula: |
C26H20N4O8S2 |
Molecular Weight: |
580.589 |
Specification: |
C.I.Name : Direct Yellow 4 |
InChI: |
InChI=1/C26H20N4O8S2/c31-23-11-7-19(8-12-23)27-29-21-5-3-17(25(15-21)39(33,34)35)1-2-18-4-6-22(16-26(18)40(36,37)38)30-28-20-9-13-24(32)14-10-20/h1-16,29-30H,(H,33,34,35)(H,36,37,38) |
Product description:
C.I.No : 24890
C.A.S. No : 3051 - 11 - 4
Chemical Class : Bis Azo
Molecular Formula : C26 H20 N4 O8 S2 2Na
Application : For Dying and printing of wool,Nylonand silk.Also uesd as Indicator, Paper ,Leather and Biological stain
Raw Material : DASDA, Phenol |
Synonyms: |
C.I. 24890;C.I. Direct Yellow 4 (VAN);C.I. Direct Yellow 4, disodium salt;C.I. Direct Yellow 4, disodium salt (8CI);disodium 2,2'-(E)-ethene-1,2-diylbis{5-[2-(4-oxocyclohexa-2,5-dien-1-ylidene)hydrazino]benzenesulfonate};2,2'-(E)-ethene-1,2-diylbis{5-[2-(4-oxocyclohexa-2,5-dien-1-ylidene)hydrazino]benzenesulfonic acid};2,2'-ethene-1,2-diylbis{5-[2-(4-oxocyclohexa-2,5-dien-1-ylidene)hydrazino]benzenesulfonic acid}; |
Molecular Structure: |
![Direct Paper Yellow 3051-11-4](https://images-a.chemnet.com/suppliers/chembase/191/191045_1.gif) |