Basic Info.
Model NO.
94%
Application Material
Cotton Yarn, Cotton Cloth, Wool, Silk
Name
Vat Blue BC
Content
94% Min
C.I.No.
Vat Blue 1
Product Name
Indigo Blue
Other Name
Vat Blue 1
Formula Weight
262.26
Grade
Tech Grade
Shelf Life
One Year
Colour Index
C.I. Vat Blue 1
Vat Yellow
1, 2, 33
Vat Orange
1, 2, 7, 9, 11, 15
Another Name
Reducing Indigo
Index No. of Dye
C. I. Reducing Blue 1 (73000)
Molecular Formula
C16h10n2o2
Chemical Name
3, 3 - Dioxbisindophenol
Moisture Content
1.0% Max
pH Range
9.5-10.0
Content of Ferric Ions
200ppm Max
Transport Package
25kg/Bag
Specification
94% min
Trademark
KELAI
Origin
China
HS Code
320415
Production Capacity
20, 000mt/Year
Product 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.