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HomeProduct name listReactive Black 31

Reactive Black 31

  • CAS NO.:12731-63-4
  • Empirical Formula: C29H20N6O17S4.4Na
  • Molecular Weight: 0
  • MDL number: MFCD00802446

What is Reactive Black 31?

Properties and Applications

Red light gray to black. Suitable for cotton dyeing, printing and direct discharge printing. White degree of 74.15%.

Standard Light Fastness Oxygen bleaching Persperation Fastness Soaping
Fading Stain Fading Stain Fading Stain
ISO 7 3(blue) 5 3-4(Alkali) 5 4(95℃) 4

Safety information for Reactive Black 31

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