Disperse Orange 25 Relative Name is C.I. Disperse Orange 25; C.I. Solvent Orange 105; ArtisilBrilliant Orange RL; Disperse Brilliant Orange RL; 4-[N-(2-Cyanoethyl)-N-ethylamino]-4'-nitroazobenzene; Propanenitrile,3-[ethyl[4-[(4-nitrophenyl)azo]phenyl]amino]- (9CI).
C.I. No.: 11227
Test Method | Rating | Remarks |
Wash Fastness (ISO 105-C06) | 4-5 | 60°C, staining: cotton 4-5, polyester 4-5 |
Perspiration (ISO 105-E04) | 4-5/4-5 | Acid & alkaline |
Rubbing Fastness (ISO 105-X12) | ||
• Dry | 4-5 | |
• Wet | 4 | |
Light Fastness (ISO 105-B02) | 5-6 | Xenon arc, 40 hours |
Sublimation Fastness (ISO 105-X11) | 4-5 | 180°C/30s |
Dry Heat (ISO 105-P01) | 4-5 | 210°C/60s |
Chlorinated Water (ISO 105-E03) | 4 | 20 ppm, 60°C |
Sea Water (ISO 105-E02) | 4-5 | |
Hot Pressing (ISO 105-X11) | 4 | 150°C/30s |
Mainly used for Digital Inkjet Ink (for Direct & Transfer Printing) & Thermal Transfer in textile.
25kg/bag, carton, drum
Parameter | Specification | Test Method / Notes |
Dye Content (HPLC) | ≥ 98.0% | Reverse phase HPLC, 254nm & 480nm |
Moisture Content | ≤ 1.0% | Karl Fischer titration |
Ash Content (550°C) | ≤ 0.1% | Gravimetric analysis |
pH Value (5% Dispersion) | 6.0 - 7.0 | Potentiometric, 25°C |
Conductivity (1% solution) | ≤ 50 μS/cm | Conductivity meter, 25°C |
Particle Size Distribution | Critical for inkjet performance | |
• Dv50 | ≤ 0.18 μm | Laser diffraction, Malvern Mastersizer |
• Dv90 | ≤ 0.40 μm | ISO 13320:2009 |
• Dv99 | ≤ 0.80 μm | Guaranteed <1.0μm |
Filterability | ≥ 99.8% (0.8 μm) | Pressure filtration @ 2.0 bar |
Ionic Impurities | ICP-OES analysis | |
• Sodium (Na⁺) | ≤ 20 ppm | |
• Potassium (K⁺) | ≤ 10 ppm | |
• Calcium (Ca²⁺) | ≤ 5 ppm | |
• Iron (Fe) | ≤ 3 ppm | |
Metal Content (total) | ≤ 50 ppm | |
Dispersant System | Proprietary polymeric blend | Non-ionic/Anionic (optimized for heat transfer) |
