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Vat Dye indigo blue demin dye vat dye for wool

Date:Aug 25, 2016


Model NO.:vat dyeColour:Blue
Appearance:PowderUsage:Textile
Application Material:WoolName:Vat Blue 1
Content:93%C.I.No.:Vat Blue 1


Product Name:  Indigo Blue;
Molecular Formula: C16H10N2O2;
Molecular Weight:262.2628
Colour Index: C.I. Vat Blue 1;
Cas No. : 482-89-3;
EINECS NO.: 207-586-9;
Composion: Phenylethane acid potassium salt reacts to amino sodium throughalkali fusion, and then oxidized;
Appearance: Dark blue even Granular and Powder;
Density:1.417g/cm3;
Melting Point(°C):390-392°C (dec.);
Boiling Point(°C):400.4°C at 760 mmHg;
Flash Point(°C):158.2°C;
refractive_index:1.709;
Water Solubility:<0.1 g/100 mL
Usage : 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. 
Storage and transporation:  The product must be stored in shade, dry & well-ventilated warehouse. Avoid to be contacted with oxidizing chemicals.