2020 Textile Dyestuffs Materials Dark Indigo Blue 94%

Min.Order: 1

Product origin: Zhengzhou, Henan, China

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Complaint

US$ 5600 ~ 6500

Description

2021 Textile Dyestuffs Materials Dark Indigo Blue 94%

Basic information

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.

Specification of Indigo blue 94%

Indigo

Products name	Indigo(C.I Vat Blue 1#)
molecular formula	C₁₆H₁₀N₂O₂
molecular weight	262
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) pelleting
content	%≥94.0
moisture	%≤1.0
Fe³⁺	<200PPM
(3)Promoter
content	%≥93.0
moisture	%≤0.8
Fe³⁺	<200PPM

Usage

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.

Package

25KG Plastic-Woven Bag with double polyester liner

Storage & Transportation

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.

Why choosing us:

1. Over 10 years' export experience in the chemical industry with professional sevice.
2. Strong professional team to develop product and control mass production quality.
3. Usually the standard of PHASE-I is between 10%--30%, we can adjust it based on buyer's demand.

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