Naphthol Dyes


Naphthol Dyes

Venus deals in Naphthol Dyes and fibre naphthol dyes which are excellent in quality and easy in its function. Venus offers 17 naphthol dyes which in combination with bases can give a very large number of shades. The spectrum of shades available is particularly rich in yellow, orange, red, maroon, brown, and blue and black. The dyeing possesses very good fastness to light, soda boil and chlorine. In addition, we are the path finder naphthol dyes supplier in India.

These napthols can also be produced on viscose and jute and by certain modifications in the dyeing recipe on silk, wool, nylon and polyester fibres. Napthols are first applied to cotton in solution form. They form insoluble pigments on the fibre when coupled with diazo solution of amino compounds known as "fast bases" in dyestuff trade. napthols can be applied by several methods such as tub-dip, open beck, jigger, padding, circulating liquor etc. The dyeing of cotton, with napthols involves two separate operations:-

  • Impregnation of material with naphthol solution.
  • Developing the impregnated material, with diazotised fast bases or Fast Salt solutions, Dyeing is followed by soaping aftertreatment, to develop true shade, to remove excess color pigment and to get normal fastness properties.


PROPERTIES

  • Napthols are available in micro pulverised form.

  • These dyes are water insoluble which contains simple water soluble diluents.

  • The nature of solutions of napthols during application is highly alkaline having an approx. pH of 12-14.


Sr. No. PRODUCT C.I.NO. Const. No.
1 NAPHTHOL - AS 37505 AZOIC COUPLING COMPONENT 2
2 NAPHTHOL - ASBO 37560 AZOIC COUPLING COMPONENT 4
3 NAPHTHOL - ASSW 37565 AZOIC COUPLING COMPONENT 7
4 NAPHTHOL - ASD 37520 AZOIC COUPLING COMPONENT 18
5 NAPHTHOL - ASOL 37530 AZOIC COUPLING COMPONENT 20
6 NAPHTHOL - ASPH 37558 AZOIC COUPLING COMPONENT 14
7 NAPHTHOL - ASTR 37525 AZOIC COUPLING COMPONENT 8
8 NAPHTHOL - ASBS 37515 AZOIC COUPLING COMPONENT 17
9 NAPHTHOL - ASE 37510 AZOIC COUPLING COMPONENT 10
10 NAPHTHOL - ASG 37610 AZOIC COUPLING COMPONENT 5
11 NAPHTHOL - ASCL (ASCA) 37531 AZOIC COUPLING COMPONENT 34
12 NAPHTHOL - ASKB 37526 AZOIC COUPLING COMPONENT 21
13 NAPHTHOL - ASRL 37535 AZOIC COUPLING COMPONENT 11
14 NAPHTHOL - ASITR 37550 AZOIC COUPLING COMPONENT 12
15 NAPHTHOL - ASTR 37521 AZOIC COUPLING COMPONENT 8
16 NAPHTHOL - ASLC 37555 AZOIC COUPLING COMPONENT 23
17 NAPHTHOL - ASIRG 37613 AZOIC COUPLING COMPONENT 44