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HomeProductsIndustries & ApplicationsTextileReactive Black 5 CAS No.12225-25-1
Reactive Black 5 CAS No.12225-25-1
  • Reactive Black 5 CAS No.12225-25-1

Reactive Black 5 CAS No.12225-25-1

Basic Info

Model No.: C.I.Reactive Black 5

Product Description

Reactive Dyes are applicable to cellulosics like cotton, rayon.
KN and M type are used in medium temperature dyeing procedures for cellulosics.

KN and M type C.I. Reactive CAS NO. Characteristics
Black KN-B Black 5 12225-25-1 Black

Product Name: Reactive Black 5

Synonyms:C.I.20505,CAS 12225-25-1/17095-24-8,991.82,C26H21N5Na4O19S6,Reactive Black KN-B,Black B,Cibacron Navy DP-B

Molecular Formula: C26H21N5Na4O19S6

Molecular Weight: 991.82

CAS NO.12225-25-1/17095-24-8

Molecular Structure :

Reactive Black 5 CAS No.12225-25-1

Properties and Applications: black. Black powder. The strong sulfuric acid for green, diluted into a brown. The dye solution for blu-ray black, add 1 Moore sodium hydroxide solution no change colour and lustre, continue to join insurance powder and warm, to tan and add a boric acid sodium can`t back to its original colour and lustre. 20 ℃ when solubility of 200 g/L, 80 ℃ the solubility of more than 200 g/L. After dyeing color shade of green light for black, dye bath containing iron ion colored light basic unchanged, contain copper ions colored light red. The dye the affine high, the reaction of the high. 1:1 standard white depth for 3 ~ 4 levels. Used for cotton, viscose, wool and polyamide fiber disseminated, roll the dye, knot dyeing piled up and dyeing of continuous. Can also be used for cotton or viscose fabric printing and dyeing directly the printing and discharge printing.

Standard Light Fastness Oxygen bleaching Persperation Fastness Soaping
Fading Stain Fading Stain Fading Stain
ISO 5 4-5 (green) 5 4-5(70℃) 5


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Product Categories : Industries & Applications > Textile

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