Wholesale Price Textile Dyestuff Natural Indigo Dye extract Indigo Naturalis Extract Powder Indigo Blue

The granular indigo is processed by spray drying the slurry of acid washing indigo with additive,This product is dark-blue uniform powdery or granular. 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.1.IntroductionAppearance:Dark blue Powder, GranuleMolecular formula: C16H10N2O2Molecular weight: 262.67CAS No.:482-89-3
HS No.: 3204.1510.00Function :For dyeing on cotton fabrics and Jeans and making up indigo bromide or made into organic pigment.
Product Parameters

Application
It 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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experience for carbon black. Our carbon black have exported the following main markets:
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Spain / Portugal / Serbia
2.Middle East and central Asia:
Saudi Arabia, Nepal,Turkey, Ukraine, Uzbekistan, Bangladesh and pakistan.
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4.Southeast Asia:
Singapore, Vietnam, Indonesia Australia.
5.South America:
Brazil, Argentina,Chile Peru, Colombia and Mexico.
With more than 10 years experience in chemical industry,
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