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Direct Black 19

Direct Black 19

Hangzhou Tiankun Chem Co.,Ltd is one of the top level China direct black 19 manufacturers and suppliers, welcome to buy and wholesale cheap and quality direct black 19 from us, and check products price with us.

Product Details

Hangzhou Tiankun Chem Co.,Ltd is one of the top level China direct black 19 manufacturers and suppliers, welcome to buy and wholesale cheap and quality direct black 19 from us, and check products price with us.

Direct Black 19

Product Name : 

C.I. 35255; C.I. Direct Black 19; C.I. Direct Black 19 (VAN); C.I. Direct Black 19, disodium salt; Direct Fast Black G; C.I.Direct Black 19; disodium (3E)-5-amino-6-[(E)-{4-[(E)-(2,4-diaminophenyl)diazenyl]phenyl}diazenyl]-3-(2-{4-[(E)-(2,4-diaminophenyl)diazenyl]phenyl}hydrazinylidene)-4-oxo-3,4-dihydronaphthalene-2,7-disulfonate; (3E)-5-amino-6-[(E)-{4-[(E)-(2,4-diaminophenyl)diazenyl]phenyl}diazenyl]-3-(2-{4-[(E)-(2,4-diaminophenyl)diazenyl]phenyl}hydrazinylidene)-4-oxo-3,4-dihydronaphthalene-2,7-disulfonic acid

Property:

Type:

Direct dyes

CAS No.:

6428-31-5

Formula :

C34H29N13O7S2

Molecular Weight:

795.807

H.S.CODE:

32041400

Appearance :

Black Powder

C.I.NO.:

Direct Black 19

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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Tiankun Chem is one of the top level China direct black 19 manufacturers and suppliers, welcome to buy and wholesale cheap and quality direct black 19 from us, and check products price with us.

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