General Properties
Product Name | Direct Yellow 4 |
Commercial Name | Paper Yellow |
Color Index Number | 24890 |
C.A.S. Number | 3051-11-4 |
EC Number | 221-267-1 |
Chemical Name | sodium 4,4'-bis(p-hydroxyphenylazo)-2,2'-vinylenedibenzenesulphonate |
Molecular Formula | C26H20N4Na2O8S2 |
Physical Properties
Solubility at 90 C | 60 GPL |
Insolubles | 0.15% w/w |
Fastness Properties
Light fastness | 6 |
Washing fastness | 3 |
Perspiration | 2 |
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ANIL DYES & CHEMICALS INDUSTRIES
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