| CAS No.: | 482-89-3 |
|---|---|
| Formula: | C16h10n2o2 |
| EINECS: | 207-586-9 |
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Indigo naturalis extract is a concentrated mixture made by extracting (or ''pulling'') isatis indigotica's chemical constituents out of the inert plant fiber (cellulose) with a solution of grain alcohol and water. Good indigo naturalis extract should optimally preserve the aroma, taste and biological activity of isatis indigotica from which it is made.
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Item
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original powder
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Powder (Diffusion)
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Granule
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Appearance
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Dark blue even powder
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Dark blue even powder
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Dark blue even granule
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Content (Oxidimetry)%
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≥94
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≥93
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≥93
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Particbe size (-60 mesh)%
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≥96
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≥96
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-
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Moisture%
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≤1.0
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≤1.0
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≤1.0
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Fe3+
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≤500ppm
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≤300ppm
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≤200ppm
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Mainly used for dyeing cotton yarn, cotton cloth, wool or silk.
This pigment is an important pigment treated product of indigo, which has excellent light resistance, climate fastness, and heat stability. It provides a blue color tone and can be used to prepare liquid dispersion formulations. It is mainly used for dyeing and printing of viscose fiber raw slurry.
25kg/BAG, 10.5 tons/20 container
Q1.Are you a manufacturer or trading company?
A: We are a professional chemical manufacturer.
Q2. What's your payment terms?
A: T/T ,L/C based on different conditions.
Q3. What's your delivery time?
A: 7-15 days, according to client's request.
Q4. How about the validity of the products?
A: Guaranteed 3 years, Quality is stalbe.
Q5. What documents you provide?
A: Normally, we provide Commercial Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate and
other special requirements.
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