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             Indigo blue 94%
Vat Dyes series of the Indigo blue 94%
Vat Yellow
1,2,33
Vat Orange
1,2,7,9,11,15
Vat Red               Â
1,10,13,14,15,29,31,41
Vat Violet                               Â
1
Vat Blue
1,4,6,18,20
Vat Green
1,3,8,13
Vat Brown         Â
1,3,68,72
Vat Black  Â
8,16,25,27,29Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â
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
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Cas No.
482-89-3
Colour IndexÂ
Vat Blue 1
Appearance
Dark blue, Powder, Granular
Strength
80%~94%
HSÂ 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
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Specification of Indigo blue 94%
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                              Indigo
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Products name
Indigo(C.I Vat Blue 1#)
constitutional formula
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molecular formula
C16H10N2O2
molecular weight
262
nature
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.
test condition
HG/T 2750-1996
appearance
dark-blue uniform powder or granule
(1)original powder
content
%≥94.0
particbe size(60mesh)
%≥96.0
moisture
%≤1.0
Fe3+
<200PPM
(2)Â pelleting
content
%≥94.0
moisture
%≤1.0
Fe3+
<200PPM
(3)Promoter
content
%≥93.0
moisture
%≤0.8
Fe3+
<200PPM
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.
Use of Indigo blue 94%
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
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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.
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Model NO.: STC-S-03
CAS No.: 482-89-3
Einecs No.: 207-586-9
Other Names: Vat Blue 1
C.I.No.: 42000
Mf: C16h10n2o2
Physical State: Solid for Vat Dyes
Strength: 100%
Usage: Cotton Fabric, Textile Dyestuffs
Purity: 94% Min
Shelf Life: 2 Years
Trademark: San Techchem
Transport Package: 25 Kgs Net Bag
Specification: 94% min
Origin: Henan, China
HS Code: 3204159000
VAT BLUE 1 Indigo blue powder or granular 94% for textile dyes
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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;