111Category: | Dyestuffs and Pigments/Acid Dyes |
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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 |
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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: |