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High Fastness Vat Blue 43 Vat Dye for Cotton Use
High Fastness Vat Blue 43 Vat Dye for Cotton Use
High Fastness Vat Blue 43 Vat Dye for Cotton Use
High Fastness Vat Blue 43 Vat Dye for Cotton Use
High Fastness Vat Blue 43 Vat Dye for Cotton Use
High Fastness Vat Blue 43 Vat Dye for Cotton Use

High Fastness Vat Blue 43 Vat Dye for Cotton Use

Min.Order: 100
Product origin: Hangzhou, Zhejiang, China
Infringement complaint: complaintComplaint
US$ 16.85 ~ 17.35

Description

Factory Wholesale High fastness  Vat Blue 43 for Cotton use

C.I.Vat Blue 43
,C.I.53630,CAS 1327-79-3,274.32,C18H14N2O,Hydron Blue BB Stabilosol,Vat Blue RNX,Vat Blue RX,Vat Blue 4RB,Hydron Blue R

Molecular Formula:C18H14N2O

Molecular Weight: 274.32

CAS Registry Number:1327-79-3

Manufacturing Methods : 3-(4-Hydroxyanilino)carbazole in 107 ºC in Butanol sodium polysulfide solution reflux heating 24 hours, and then with sodium nitrite short time heating, steam out of Butanol, through the air and add salt to make dye completely precipitated out. This indophenol is by carbazole and nitroso phenol in concentrated sulfuric acid in - 20 to 23 ºC condensation, then reduction and have to (BIOS983, 71 -74). To cure solution is to add 3 - methyl - 4 '- hydroxy - 4 -aminodiphenylamine, 4, 4' - dihydroxydiphenyl aniline and phenol, improved the performance of the dye (BIOS983, 75- 81). Note: use with C.I. leuco sulfur dye similar method, some the structure of the dyes can be converted into the leuco compound.

Properties and Applications: red light blue to red light navy blue. In concentrated sulfuric acid for the faint blue, blue precipitation after dilution.

StandardIroning FastnessChlorine bleachLight FastnessMercerizedOxygen bleachSoaping
FadingStain
ISO3353344
AATCC434-5 3  








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Customers' Feedback for Factory wholesales Vat Dyes for Cotton



 

Q1. How can I get the samples for testing?
A:
  1. We can provide a certain quantity of free samples. Please give the specific CAS or CI NO. of the product and we will give you the sample based on our standard.
  2. You can send your samples to our office and we will send back the copy samples for you. It's a more efficient way.
Q2. How can I get the price of needed products?
A:
  1. Please give the exactly CAS or CI Number, quantity, packing, destination port or specs requirements. We can according to your exact requirements to give you the price.
  2. You can send us a sample, we can according to your sample give you a counter sample and price.
Q3. I don't know whether your product can be available, how can I order this from you?
A:
It's the best way if you can send us a sample, so we can according to your samples give you a counter sample for checking the quality. Also we will quote a price for you to check the cost. After confirming all of this, you can contact our sales for an order.
Q4. I am a small wholesaler, do you accept small order?
A:
It's no problem if you are a small wholesale, we would like to grow up with you together.
Q5. How to use the product?
A:
We are pleased to be requested the application methods from you and we will use words and videos to tell how to use. We also have application engineers can provide onsite service for you customers.
Q6. We want to be your agent of our area, how to apply for this?
A:
 
Q7. Can you make OEM service of your products?
A:
Yes. We can accept OEM service. Also we have provided OEM service to lots of big and famous companies in the order.
Q8. How can you ensure the quality to us?
A:
  1. Quality is the foundation of our company,we have been engaging in this field for more than 20 years. Superior quality brings us the benefits and gives us the vitality.
  2. The bulk production is the same quality as the confirmed sample we provide to you for testing before the order.
  3. If you still have doubt, you can request the third part company, such as SGS, to inspect and test the bulk cargo before shipment (you should bear the inspection expense).
Welcome to contact us for More details 

 
 
 
 
 






 
 
 
 

 
 

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