China Indigo Blue Indigo Indigo Powder

quality Low price 94% indigo blue vat indigo day1.Indigo Blue Powder or Granular 94%

1)We are the biggest manufacturer of disperse dyes,the second biggest manufacturer of reeactivedyesandsodiumhydrosulfite,andspecializinginmanufactureofindigoblue,sulphurblack,vatdyes,basicdyes,directdyesandOBA

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 GrHand Tools anular and Powder
Strength:94%
Shade: To the similar standard of the factory
MoistUniversal Medical Implement ure%: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.Detailed informations of indigo as following:

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 and alcohol.It is soluble in hot Aniline

5.Use of indigo:
Itismainlyusedtodyecottonfibre.Thepop"cowboy"clothesmostlyaremadebyindigobluedyinglongitudinalyarnandwhiteyarninterweaving;Itcanbeusedwithsulfuratedcoloringmatter;Alsowecangetindigowhite,bromizedindigobluefromit,theyarewellusedinfoodcoloringmatter,biochemistryetc.6.Packages of indigo:

25KG Plastic-Woven Bag with double polyester liner
20KG Carton with double polyElectrode ester liner
20KG/15KG Iron Drum with double polyester liner

7.Storage & Transportation of indigo:

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.Our Service For You
1. Sample can be offered withfreecharge.
2. We have full stockand can deliver within short time.
3.OEM order are accepted, Any kind of logo printing or design are Power Tools available.
4. Good Quality +FactSurveillance, Control & Protection ory Price +Quick Response +Reliable Service, is what we are trying best to offer you.
5. All of our products are produce by our professional workman and we have our high-work-effect foreign trade team, you can totally believe our service.
6. We havemanyyearsexperiencefor export, we cherish every order from our honor.Contact Us Now!
If you are interested in any of our products or solutions, please feel free to contact us.We ensure that any of your requirements will be get prompt attention and best efforts from our side always.Robin
Regional Manager |International Trade Department