Sulphur Blue BRN
  • Air ProSulphur Blue BRN
  • Air ProSulphur Blue BRN
  • Air ProSulphur Blue BRN
  • Air ProSulphur Blue BRN

Sulphur Blue BRN

Sulphur Blue BRN is Blue-purple powder. Sulphur Blue BRN does not soluble in water. Sulphur Blue BRN is dark gray when dissolved in sodium sulfide solution.

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Product Description

Sulphur Blue BRN

1. Sulphur Blue BRN Physical properties

Sulphur Blue BRN is Blue-purple powder. Sulphur Blue BRN does not soluble in water. Sulphur Blue BRN is dark gray when dissolved in sodium sulfide solution.

Sulphur Blue BRN is blue-violet in concentrated sulfuric acid, which produces a dark blue precipitate after dilution. O-Toluidine is condensed with p-nitrosophenol in sulfuric acid, separated with ammonia water, and then vulcanized with sodium polysulfide.

Sulphur Blue BRN factory

2. Sulphur Blue BRN Description

Product Name

Sulphur Blur BRN

C.I. No.

Sulphur BLUE 7 (53440)

CAS No.

1327-57-7

Appearance

Dark Blue Powder

Strength

150%

Shade

Similar to Standard

Water

≤5%

Insoluble

≤2%

MF

C30H26N4Na2O8S2

 

3.Sulphur Blue BRN Uses

Sulphur Blue BRN is mainly used for dyeing and direct printing of cotton, hemp, viscose and Victoria/cotton blended fabrics. It is also used for coloring leather and paper.

Sulphur Blue BRN is prepared by condensation of p-nitrosophenol with o-toluidine, vulcanization with sodium polysulfide and air oxidation. Due to different production processes, products can have different colors

MST Chemical with more than 30 years of manufacturing and exporting Sulphur dyes and direct dyes. Customers can send the sample to us and we can produce it with your samples. And all the products will be tested such as about the strenghth and shade before package. And the sample will be kept in the lab for check.

4. Packaging & Delivery

Package

Packed in 25kgs fiber drum or iron drum or customized

Port of loading

Tianjin, Qingdao, Shanghai

Lead time:

Within 15 days after payment

5. Quality Control:

Our Inspect department shall test every batch before leaving our factory and keep the test results and sample in our lab.

Our lab workmate makes the dyeing inspection for almost 20years.

We must assure the quality before shipped.

6.Our Services

1 Sample is free, but not included the freight.

2 OEM is available.

3 Shipment will be on time according to the customer’s requirements

4 FOB,CIF,EXW is OK.

5 Any quality problem we are ready to solve it with our customer


Color sample

Name of dyes

C.I.NO(sulphur)

 

Sulphur Blue BRN

B-7

 

Sulphur Dark Blue 3R

B-5

 

Sulphur Sky Blue CV

B-15

 

Sulphur Blue BBF

B-13

 

Sulphur Bed LGF

R-14

 

Sulphur Black BN

B1-1

 

Sulphur Brill Yellow G

Y-9

 

Sulphur Dark Broen GD

Br-4

 

Sulphur Bordeaus 3B

R-6

 

Sulphur light Yellow GC

Y-2

 

Sulphur light Yellow GR

Y-2

 

Sulphur Yellow Brown 5G

Br-10

 

Sulphur Yellow Brown 6G

Br-1

 

Sulphur Brill Green G

G-3

 

Sulphur Light Green G

G-14

 

Sulphur Leather Green 516

 

 

Sulphur Olive Green BBK

 

 

Sulphur Khaki


Sulphur Blue BRN factory Sulphur Blue BRN factory

Sulphur Blue BRN factory

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