Molecular formular: C40H20N6O14S2NA2Cr
Molecular Weight: 970.68
CAS No.: 57693-14-8
Appearance : Black even powder
Solubility: Easy to dissolve in water and ethyl alcohol
Standard strength: 140% ( we can offer a series of much higher strength)
Usage: The offered product is extensively used in dyeing wool, nylon, silk and other protein fibers.
Characteristics : Good built up for dark color and high wet fastness
Storage: the product must be stored in shade, dry & well-ventilated warehouse. Avoid to be contacted with oxidizing chemicals and combustible organic substances. Keep it away from direct sunlight , heat, sparks and open flames. Carefully handle the product and avoid damaging the package .
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China [CN] 
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