Indigo
1.Product Name: Indigo Blue ，Vat Indigo;C.I.Vat Blue 1
2.Molecular Weight: 262.26
Chemical Formula: C16H10N2O2
3.CAS NO:482-89-3
H.S.Code: 3204.1510
4.Specification
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Items
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Index
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Appearance
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deep blue powder
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Assay %(oxidation method)
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94% min.
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Fineness% (60-mesh sieve)
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96% min.
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Iron ion
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500 ppm max.
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Moisture %
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1.0% max.
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5.Usage: Mainly used in the dyeing of cotton yarns, cotton cloth, wool and silk; pure products are used in the dyeing of food; or processed into organic pigments.
6.Packing: 25kg/woven bag, 25kg/ iron drum, 25kg/plastic drum etc.
Chemicals
