China Indigo Blue 94% Dye Powder, Vat Blue, Textile Dyestuff, Find details about China Indigo, Indigo Dyestuff from Indigo Blue 94% Dye Powder, Vat Blue, Textile Dyestuff
1. Information
Molecular Formula: C16H10N2O2
Molecular Weight: 262.62
H.S.CODE: 3204.1510
2. Specification
Cas No. | 482-89-3 |
Colour Index | Vat Blue 1 |
Appearance | Dark blue,Powder,Granular |
Colour light | Similar as the standard sample |
Content | ≥93.0%,94.0% |
Moisture content | ≤1.0% |
Strength | Equal to 100 percent of the standard sample |
PH Range | 9.5-10.5 |
Content of ferric ions | ≤200PPM |
Properties | It is insoluble in water and alcohol.It is soluble in hot Aniline |
3.Use of indigo blue:
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.
4.Packages of indigo blue:
25kg/woven bag, 25kg/ iron drum, 25kg/plastic drum etc.
5.Storage & Transportation of indigo blue:
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.