Dyestuffs

CAS:1326-82-5 Colour Index No.: C.I.Sulphur Black 1(53185) Standard of identity: HG/T3427-2001 Appearance Flashing Black Flakes or Granules Strength (with the standard ) 100% Shade Approximate to the Standard Moisture, % ≤ 6.0 Insoluble matter in So

The company has two main kinds of products,dyes and dye intermediates.As for dyes,there are sulphur dyes and disperse dyes.As for dye intermediates,there are 2,4-Dinitro chlorobenzene,2,4-Dinitrophenol(Sodium),2,4-Dinitroaniline,2-Amino-4-Nitrophenol(sodi

CAS: 1817-73-8 Standard of identity: HG/T3753-2004 Characteristic Specification Appearance Yellow to Yellow Brown Powder Purity (% ) ≥ 98.0 Initial Melting Point of Dry Product( ℃ ) ≥ 148.0 Packing: In 50 kgs net woven bag each lined wi

CAS : 3531-19-9 Standard of identity: HG/T3735-2004 Characteristic Specification Appearance Yellow Powder Purity (% ) ≥ 95.0 Initial Melting Point of Dry Product( ℃ ) ≥ 150.0 Packing: In 50 kgs net woven bag each lined with plastic bag.

CAS : 99-57-0Characteristic Specification Dry Product Wet Product Appearance Yellow to Yellow Brown Powder Yellow to Yellow Brown Crystals Content (%)≥ 98.0 80.0 Melting Point ( ℃ ) ≥ 138.0 138.0 Insoluble matter in HCI ( % )≤ 0.1

CAS : 99-57-0Characteristic Specification Dry Product Wet Product Appearance Yellow to Yellow Brown Powder Yellow to Yellow Brown Crystals Content (%)≥ 98.0 80.0 Melting Point ( ℃ ) ≥ 138.0 138.0 Insoluble matter in HCI ( % )≤ 0.1

CAS: 97-02-9 Characteristic Specification Appearance Yellow Powder Purity(%)≥ 99.0 Moisture (%)≤ 8.0 Melting Point（In DSC method）( ℃ ) ≥ 180.0 Packing: In 50 kgs or 200 kgs net woven bag each lined with plastic bag.

CAS: 1011-73-0 Characteristic Specification Appearance Brown Yellow Flake Crystal Content（ % ）≥ 70 Purity(% ) ≥ 98.0

CAS : 51-28-5 Characteristic Specification Super grade First Grade Appearance Light Yellow Tiny Crystals Purity (% ) ≥ 99.0 97.0 Insoluble matter in Styrene ≤ 200mg/kg 500mg/kg Chlorine ≤ 130mg/kg 200mg/kg Moisture (% ) ＞ 15 15

CAS: 97-00-7 Standard of identity: HG/T2553-2003 Characteristic Specification Refined Super Grade First Grade Appearance Light Yellow to Pale Brown Crystals Crystallizing Point ，℃ ≥ 49.5 48.5 47.5 Purity, % ≥ 99.5 99.0 96.0 Pac