Product description:
Acid yellow 219 is a chemical substance with the chemical formula C20H17N4NaO5S.
The appearance of it is yellow powder.
It is also named Weak acid yellow 4R
Synonyms | Nylosan Yellow E-RM Taigalan Yellow NWT Triacid Fast Yellow 3RL Chromalon Yellow 4R-KLW Simacid Yellow 24891 Tectilon Yellow 4R |
CAS No. | 71819-57-3 |
Solubility | Soluble in water |
Application | Mainly used for wool, silk, nylon and wood coloring |
Molecular Weight | 448.42 |
Strength | 250% |
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