H Dyes

H Dyes have low reactivity and needs a slightly higher temperature, usually about 80°C and higher PH about 11 is required to fix the dyes. It is substantively towards substrates is low. These dyes are mainly suitable for textile printing because of relative inertness of dye towards alkali at room temperatures, which allows formulation of stable print paste containing both dye and an alkali. The fabric to be printed must be properly desized to make absorbent. Mercerisation of cotton fabrics and causticization cellulose fabrics yield brilliant and deep prints. Hot brand dyes also known as 'P' dyes.

Its offer:-

  1. Most suitable for use silicate, hot silicate pad-batch and steaming printing.
  2. Brilliant and deep printing shade. Good wash fastness.
  3. Both one phase and two phase method can be used.
  4. Good soluble and high level of fixation is possible by yielding fast and hues.
  5. They have good all around fastness and wash-off properties.

Key to Abbreviations

  • ND = Non Dischargeable
  • D = Dischargeable
  • G = Good
  • M = Medium
  • F = Fair
  • P = Poor
  • S = Suitable
  • NS = Non Suitable
  • L = Less Suitable



'H' Dyes
(Cynuric Hot Brand)




Reactive Yellow H4G Yellow 18 129898-77-7
Reactive Golden Yellow HR Orange 12 93050-80-7
Reactive Orange H2R Orange 13 -
Reactive Red H8B Red 31 79809-27-1
Reactive Red 6BX Red 76 93050-79-4
Reactive Magenta HB Red 12 / Violet 26 -
Reactive Purple H3R Violet 1 -
Reactive Blue RX / HR Blue 59 145017-98-7
Reactive Blue H5R Blue 13 --
Reactive Turq. Blue H2GP Blue 77 -
Reactive Brown H4R Brown 9 -
Reactive Black HN Black 8 -