Vat Dyes Indigo Blue 94% for Denim Jeans Fabric

Min.Order: 1

Product origin: Zhengzhou, Henan, China

Infringement complaint:

Complaint

US$ 5000 ~ 6500

Description

1.Product details
Product name:Indigo Blue
Colour Index: C.I. Vat Blue 1
Molecular formula: C16H10N2O2
Molecular weight: 262
HS Coding: 32041510
Appearance :dark-blue uniform powder or granule

2. Simple introduction
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 390-392°C, and it begins sublimating slowly at 290°C. It has very good sunburn endurance and application performance.

3.Vat Dyes

Vat Yellow	1,2,33
Vat Orange	1,2,7,9,11,15
Vat Red	1,10,13,14,15,29,31,41
Vat Violet	1
Vat Blue	1,4,6,18,20
Vat Green	1,3,8,13
Vat Brown	1,3,68,72
Vat Black	8,16,25,27,29

4.Spcification

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 an

5.Application
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.

6. Packing
25KG/BAG with inner aluminum foil bags, outer kraft paper bags or according to client's requirement

7.Storage
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.

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