Textile dyestuffs natural indigo dye powder with factory price
1-999 Kilogram
$60.00
1000 -1999 Kilogram
$50.00
≥ 2000 Kilogram
$40.00
- Item No.KL-indigo powderMOQ1 Kilogram
- Product size20 x 11 x 14 cmProduct weight1.2 kg
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If over 500pcs, mass production will start until pre-production sample has been approved.
Est. 7 days production
Textile dyestuffs natural indigo dye powder with factory price
Indigo BLue (Vat Blue dyes) |
Molecular Formula: C16H10N2O2
Cas No. 482-89-3
Composion: Phenylethane acid potassium salt reacts to amino sodium through alkali fusion, and then oxidized.
Appearance: Dark blue Powder
It cannot be dissolved in water and common organic solvents such as ethanol and aether, but can be dissolved in hot aniline and melt phthalic anhydride. Its melting point in the closed capillary is 390-392°C, and it begins sublimating slowly at 290°C. It has very good sunburn endurance and application performance.The indigo is mainly used to dye cotton fibre.The pop "cowboy" clothes mostly are made by indigo blue dying longitudinal yarn and white yarn interweaving; It can be used with sulfurated coloring matter; Also we can get indigo white, bromized indigo blue from it, they are well used in food coloring matter, biochemistry etc.
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