Product Name: Direct Yellow 4
C.I. No.: direct yellow 4
CAS No.: 3051-11-4
EC Number: 221-267-1
Molecular Formula: C26H18N4Na2O8S2
Molecular Weight:Â 324.55
Related Name:
Direct Brilliant Yellow; Direct Paper Yellow CB;Direct Yellow RCH;Fenamin Yellow 3G.
Shade: orange to reddish-brown crystals or powder.
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Direct Yellow 4 Physical Properties and light fastness, solubility.
                       Direct Yellow 4 | |
Dyeing depth % | 2 |
Insolubles % | 0.15 |
Light Fastness | 3-4 |
Washing Fatness | 2-3 |
Rubbing fastness(dry) | 4 |
Rubbing fastness(wet) | 2-3 |
Direct yellow 4 application:Â Â Most suitable for dyeing of viscose like cotton, flax, viscose rayon, acetate and jute, also for Ink, Leather and Paper coloration.
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Package, 25KG/DRUM, CARTON BOX, BAG
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Note:Â The data contained here are based on our current knowledge and experience. It is the responsibility of user to test our products before the final application.
EXHIBITION PHOTOS:
FACTORY PHOTOS:
When there is liquid in the Pipette tip, do not place the pipette horizontally or upside down, so as to prevent the liquid from flowing back and corroding the piston spring.In the process of biological experiments, especially in the field of Cell Culture, the pipette is an indispensable laboratory instrument, and the pipette holder is also used very frequently on the laboratory ultra-clean bench or in the biological safety cabinet. The ease of use of the pipette and the pipette holder also affects the ease of experimental operation.
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