DIRECT Black 19

TECHNICAL DATA SHEET Product name: Direct black 19 liquidCAS NO.: 6428-31-5C.I.: 35255EINECS: Not availableChemical formula: C34H27N13O7S2.2NaMolecular structure: Appearance: Shade: Strength: Odor: Specific gravity: PH value: Moisture /%: Insoluble matter /%: Fineness(80 mesh) /%: Solution: Light fastness: Washing fastness(40°С) Rubbing fastness: Sublimation fastness (180°С 30sec): Perspiration fastness: Black liquid Similar to the standard 50±1% Weak odor   Not available≥9.0 ≤5.0 ≤1.0 Not available Not available 3-4 2 Dry: 3 Wet: 2 3 2Performance and features: The product is mainly used for dyeing paper.Website:http://www.dcccolor.com
DIRECT Black 19