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Direct Black 22

Direct Black 22

Hangzhou Tiankun Chem Co.,Ltd is one of the top level China direct black 22 manufacturers and suppliers, welcome to buy and wholesale cheap and quality direct black 22 from us, and check products price with us. Direct Black 22 Product Name : Direct Black VSF600; Direct Black GF; Direct Black 22...

Product Details

Hangzhou Tiankun Chem Co.,Ltd is one of the top level China direct black 22 manufacturers and suppliers, welcome to buy and wholesale cheap and quality direct black 22 from us, and check products price with us.

Direct Black 22

Product Name : 

Direct Black VSF600; Direct Black GF;C.I. Direct Black 22; 2-Naphthalenesulfonic acid, 6-(2-(2,4-diaminophenyl)diazenyl)-3-(2-(4-((4-(2-(7-(2-(2,4-diaminophenyl)diazenyl)-1-hydroxy-3-sulfo-2-naphthalenyl)diazenyl)phenyl)amino)-3-sulfophenyl)diazenyl)-4-hydroxy-, sodium salt (1:3); C.I. 35435; Direct Black 22; trisodium 6-[(E)-(2,4-diaminophenyl)diazenyl]-3-{(E)-[4-({4-[(E)-{7-[(E)-(2,4-diaminophenyl)diazenyl]-1-hydroxy-3-sulfonatonaphthalen-2-yl}diazenyl]phenyl}amino)-3-sulfonatophenyl]diazenyl}-4-hydroxynaphthalene-2-sulfonate

Property:

Type:

Direct dyes

CAS No.:

6473-13-8

Formula :

C44H32N13Na3O11S3

Molecular Weight:

1083.9697

H.S.CODE:

32041400

Appearance :

Black Powder

C.I.NO.:

Direct Black 22

Specification:

100%/ 150%

OWF(%):

4.0

Classification

B

Light Fastness

6

Washing Fastness

4-5

Rubbing (Dry)

4-5

Rubbing (Wet)

3

Technical Support:

We have professional technical team which support target samples testing from customers around the World. Counter samples will be provided after evaluation. Meanwhile customization service is available in our factory. What’s more, we can also provide pre-shipment samples for new customers during our 1st cooperation. 

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