Indigo Blue for textile industry

タイトルまたは説明

Specifications
 

Product:Indigo Blue

CAS NO.:*******3

Manufacturer

Origin:China

use Reducing indigo to be dyestuff

Products name Indigo(C.I Vat Blue 1#)
 

molecular formula C*6H*0N2O2
 

molecular weight **2


test condition HG/T ********6
 

appearance dark-blue uniform powder or granule

This product is dark-blue uniform powdery or granular. It cannot be dissolved in water and common organic solvents such as ethanol and aether, but can be dissolved in hot aniline and melt phthalic anhydride. Its melting point in the closed capillary is ******2°C, and it begins sublimating slowly at **0°C. It has very good sunburn endurance and application performance.

(1)original powder
 

content %≥*4.0
 

particbe size(*0mesh) %≥*6.0
 

moisture %≤1.0
 

Fe3+ <**0PPM

 

 

(2) pelleting
 

content %≥*4.0
 

moisture %≤1.0
 

Fe3+ <**0PPM

 

 

(3)Promoter
 

content %≥*3.0
 

moisture %≤0.8
 

Fe3+ <**0PPM
 

use Reducing indigo to be dyestuff, which can be mainly used in dyeing cotton fabric, and otherwise can be made to 5.5'*7.7'- tetrabromo indigo, and then be used in biochemical and indicators, etc.
 

Packing Plastic bucket, *5kg/bucket (granule)
 

Iron bucket, *5kg/bucket (granule)
 

Paper bucket, *5kg/bucket (granule)
 

Weaved bag, *5kg/bag (granule)
 

Big iron bucket, *5kg/bucket (granule)