Organic Natural Indigo Blue Granule Dye

• CAS No.: 482-89-3
• Formula: C16h10n2o2
• EINECS: 207-586-9
• Colour: Black
• Appearance: Granule
• Usage: Leather, Textile
• Model NO.: Indigo blue
• Application Material: Leather
• Name: Vat Blue BC
• Content: 100%
• C.I.No.: Vat Blue 4
• Sample: Available
• Other Name: Indigo Blue
• Transport Package: 25kg Net Bag
• Specification: indigo Blue 94%
• Trademark: kelai
• Origin: China
• HS Code: 32041510
• Production Capacity: 15000 Ton/Year

Product Description

Organic Natural Indigo blue Granule dye
 

1.Indigo Blue Powder or Granular 94%

1)We are the biggest manufacturer of disperse dyes,the second biggest manufacturer of     reeactive dyes and sodium hydrosulfite, and specializing in manufacture of indigo blue,sulphur black, vat dyes, basic dyes,  direct dyes and OBA

Basic details of Indigo blue powder 94%

Indigo Blue:coloring matler index C.1 revert blue (73000). Indigo bule is an important organic dye, for dyeing on cotton fabrics and jeans and making up indigo bromide,or made into organic
 

Cas No.	482-89-3
Colour Index	Vat Blue 1
Appearance	Dark blue, Powder, Granular
Strength	80%~94%
HS Code	32041510
MF	C16H10N2O2
Relative molecular weight	262.27(according to the International molecular weight of 1983
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

Nature:the appearance is dark blue even grains.It dissolves in hot anilin,but not in water. It turns yellow green when meeting the oil of vitriol.It is yellow in alkaline rongalite revert liquid and white in acidic liquid.



Application of Indigo blue 94%
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.









Packages of Indigo blue 94%
25KG Plastic-Woven Bag with double polyester liner



 
Storage & Transportation of Indigo blue 94%

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.