Acid Blue CAS 28983-56-4

1. Acts Acid Blue as a synthetic anionic dye for coloring wool, silk, nylon and other protein fibers in textile dyeing and printing.
2. Serves Acid Blue CAS 28983-56-4 as a food colorant (e.g., Brilliant Blue FCF, E133) for beverages, confectionery, dairy products and baked goods.
3. Functions as a biological stain for histological and microbiological analysis, such as staining cytoplasm and cell membranes.

Store Acid Blue CAS 28983-56-4 at 5–25℃ in sealed HDPE drums in a cool, dry, well-ventilated area, away from direct sunlight, strong acids, alkalis and oxidants. Wear nitrile gloves, safety goggles and a dust mask; avoid inhalation of dust and skin/eye contact (mild irritant). Reseal tightly post-use to prevent moisture absorption and caking; dispose of waste via licensed chemical channels.

✅ Delivers bright, uniform and light-fast blue hues with high tinting strength, suitable for low-dosage application in textiles and food.
✅ Excellent Acid Blue CAS 28983-56-4 water solubility enables easy formulation of dye baths and color solutions without organic solvent assistance.
✅ Complies with food safety standards (e.g., FDA, EU E133) and textile industry regulations, ensuring safe use in diversified fields.

- Hazard Class：Non-hazardous | No UN number | HS Code：3204120000 (dyes); 2106909090 (food colorants)
- Non-combustible solid | Stable under normal storage conditions; decomposes at high temp to release sulfur oxides
- Hazard Statements：H315 (skin irritation), H319 (eye irritation), H335 (respiratory irritation)
- Precaution Statements：P261, P280, P305+351+338, P332+313