Acid Blue 83 is Dark blue powder,Not soluble in cold water, slightly soluble in hot water and ethanol for light blue. The strong sulfuric acid for orange red, diluted into blue. In water solution to join sodium hydroxide purple precipitation.
TRADE NAME:Weak Acid Brilliant Blue 6B,Acid Brilliant Cyanine 6B,Akacid Brilliant Blue 6B 200%,Anadurm Cyanine A-6B,Best Acid Brilliant Cyanine 6B,Brilliant Blue 6B
Standard | Fiber | Soaping | Persperation Fastness | Oxygen bleaching | Light | |
Fading | Stain | |||||
AATCC | Wool | 3-4 | 3-4 | 4-5 | 1 | 2-3 |
ISO | Wool | 4 | 4 | 4 | 1 | 3 |
Used for wool, silk, polyamide fiber fabric dyeing and printing directly, can also be used for leather and feathers dyeing.
Acid Blue 83 delivers the most reproducible shades and best overall fastness on protein fibres (wool, silk) and synthetic polyamide (nylon). On these substrates the dye forms strong ionic bonds under acidic conditions, improving wash and wet fastness. For blends and cellulose fibres, pre-treatment or a compatible carrier is required and results vary — always run a lab-scale test before production.
Begin at acidic pH 3.0–4.0 for initial dosing to promote even distribution; raise temperature gradually to the target (commonly 80–95°C for wool/nylon) and hold until equilibrium is reached. Lower pH (closer to 2.5) increases fixation rate but can affect leveling; use stepwise heating with a mild leveling agent to avoid streaking.
To deepen shade without patchiness, increase dye concentration incrementally while optimizing electrolyte (salt/acid) dosing and using a non-ionic leveling aid. A short predye soak at low temperature helps uniform uptake. For continuous padding, control pick-up and curing time carefully to avoid over-saturation and uneven penetration.
Yes — Acid Blue 83 is suitable for acid-printing systems and aqueous ink formulations when dispersed or solubilized into the appropriate carrier. Formulate pastes with rheology modifiers and fixatives tailored to the substrate; post-fix steaming or acid curing improves wash fastness on textiles and fixation on leather.
Post-dye measures such as acid steaming, mild crosslinking agents (where compatible), or a short oxidative after-treatment can enhance wet and light fastness. For leather, finishing topcoats or fatliquoring tailored to the substrate increase durability. Always validate finishing steps on pilot runs to confirm no adverse shade shift.
Waste streams with reactive dye loads should be pre-treated: remove solids, adjust pH and use biological or advanced oxidation processes as required by local regulations. Colour removal may require coagulation/adsorption or specialized treatment; consult your environmental officer and local discharge limits before scaling up production.
