94% Dark Indigo Blue for Textile Dyestuffs Materials

• CAS No.: 482-89-3
• Formula: C16h10n2o2
• EINECS: 207-586-9
• Colour: Blue
• Appearance: Powder
• Usage: Paint, Ink, Food
• Model NO.: indigo blue 94%
• Application Material: Leather
• Name: Indigo Blue
• Content: 94%
• C.I.No.: Vat Blue 6
• Product Name: Indigo Blue
• Other Name: Indigo
• Density: 1.417g/cm3
• Melting Point: 390-392 ° C (DEC.)
• Boiling Point: 400.4 ° C at 760 Mmhg
• Flash Point: 158.2 ° C
• Steam Pressure: 1.27e-06mmhg at 25°c
• Indigo Blue Appearance: Dark Blue Even Granular
• Moisture: 1% Max
• Fe3: 300ppm Max
• Formula Weight: 262.2628
• Application: Textile Industry
• Sample: Available
• Storage: Dry Place
• Loading Quantity: 11mt/20′container
• Transport Package: 25kg Bag
• Specification: 25kg net
• Trademark: KELAI
• Origin: China
• HS Code: 3204151000
• Production Capacity: 600 Ton/Tons Per Month

Product Description

                          94% dark Indigo blue for Textile Dyestuffs materials 
1.Indigo Blue Powder or Granular 94%
1)We are the biggest manufacturer of disperse dyes,the second biggest manufacturer of     reeactive dyes and sodium hydrosulfite, and specializing in manufacture of indigo blue,sulphur black, vat dyes, basic dyes,  direct dyes and OBA

2.Indigo BLue (Vat Blue dyes)
Molecular Formula: C₁₆H₁₀N₂O₂
Colour Index: C.I. Vat Blue 1
Cas No. 482-89-3

Composion: Phenylethane acid potassium salt reacts to amino sodium through alkali fusion, and then oxidized.
Appearance: Dark blue even Granular and Powder 
Strength:94%
Shade: To the similar standard of the factory
Moisture%:0.45 Max
Particle size(-60 mesh)%: 95
Fe3:200ppm Max

3.Properties of indigo:
It is insoluble in water and alcohol.It is soluble in hot Aniline.


4.Specification of Indigo blue 94%

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
Fe^3+	<200PPM
(2) pelleting
content	%≥94.0
moisture	%≤1.0
Fe^3+	<200PPM
(3)Promoter
content	%≥93.0
moisture	%≤0.8
Fe^3+	<200PPM

5.Package
25KG Plastic-Woven Bag with double polyester liner


 
6.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.