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ISO factory quality Vat Indigo blue 94% dyestuff

Location:
Zhengzhou, China ( Mainland)
Status:
New
Sample Availibility:
yes
Payment Terms:
Cash, Bank Transfer, Letter of Credit, T/T, L/C
Categories:
Home > Chemicals > Dyestuffs

Product Description

Indigo Blue

General Information:

Indigo bule is an important organic dye, for dyeing on cotton fabrics and jeans and making up indigo bromide,or made into organic

BASIC DETAILS:
Indigo Blue:coloring matler index C.1 revert blue (73000)

1. C.I. NO. 73000
2. CAS NO. 482-89-3
3. APPEARANCE: BLUE POWDER OR GRANULAR
4. STRENGTH: 80%~94%

5. MOISTURE: ABOUT 0.45%

6. DETERMEINE:103PPM~112PPM

7.MF: C16H10N2O2

8. EINECS No.: 207-586-9

9. Type: Vat Dye

10. HS Coding: 32041510

11.Relative molecular weight:262.27(according to the International molecular weight of 1983

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:

Specification:

Indigo

Products name

Indigo(C.I Vat Blue 1#)

constitutional formula

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) 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: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.

Packages: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.



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Contact Information

Company:
 Henan Premtec Enterprise Corporation
Phone Number:
  86-371-69067080
Fax Number:
 86-371-69067193
 
Henan Premtec Enterprise Corporation
 Henan , China FREE
 

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