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| OEM | OEM Services Provided |
| Feature | Good stability,Easy to Use |
| Classification | Dyes and Pigments |
| Advantage | Professional, Fast Delivery, Customizable | Samples | Apply for free，Contact us now. |
| Product Name: | Basic Yellow 21 |
| Synonyms: | 1H-Indolium, 1-(1,3-dihydro-1,3,3-trimethyl-2H-indol-2-ylidene)ethylidene-2,3-dihydro-2-methyl-, chloride;Yellow 7GLL;Aizen Cathilon Brilliant Yellow 7GLH;2-[2-(2,3-dihydro-2-methyl-1H-indol-1-yl)vinyl]-1,3,3-trimethyl-3H-indolium chloride;Cationic Yellow 7GLL;Hispacril Yellow 7GLL;Kayacryl Yellow 7GL-ED;Orlamar Yellow 7GLL |
| CAS: | 6359-50-8 |
| MF: | C22H25ClN2 |
| MW: | 352.91 |
| EINECS: | 228-800-7 |
| Product Categories: | |
| Mol File: | 6359-50-8.mol |
| density | 1.16[at 20℃] |
| Water Solubility | 21g/L at 20℃ |
| LogP | 1 at 25℃ |
| EPA Substance Registry System | 1H-Indolium, 1-[(1,3-dihydro-1,3,3-trimethyl-2H-indol-2-ylidene)ethylidene]-2,3-dihydro-2-methyl-, chloride (6359-50-8) |
| Chemical Properties | Easily soluble in water is greenish yellow. Dye powder in concentrated sulfuric acid is light orange, diluted greenish yellow. The color and luster of the dye remain unchanged when it meets copper ions, and the color and luster change slightly when it meets iron ions. | |||||||||||||||||||||
| 2-(1,3,3-Trimethylindolin-2-yl)acetaldehyde And 2-Methyl-2H-indazole??in the presence of phosphorus oxychloride of condensation, and then quaternized.. | ||||||||||||||||||||||
| Flammability and Explosibility | Not classified | |||||||||||||||||||||
colourful green light yellow. Bright yellow powder. Soluble in water. In the strong sulfuric acid of bright orange, diluted into green light yellow. In 120 ℃ high temperature dyeing, colored light unchanged. Copper ions in dyeing color shade unchanged, encounter iron ion colour and lustre micro have change. Compatibility value is 2.5, the f value is 0.29. Solubility of 40 g/L, effected by temperature is very small. Mainly used in acrylic dyeing, also can be in acrylic fiber directly on printing.
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| Raw materials | 2-Methylindoline |
Declaration: The products displayed on this website are intended exclusively for industrial applications or scientific research. They are not intended for medical, pharmaceutical, or food use. In accordance with applicable laws and regulations, purchasing organizations must hold valid qualifications and approvals.
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