Description

C.I. Acid Blue 224 is a high-performance synthetic dye belonging to the acid dye class, valued for its strong color strength and good fastness properties. This product is essential for imparting a vibrant and durable blue shade to protein-based fibers and other substrates with anionic character. It is primarily required by manufacturers in the textile, leather, and paper industries seeking reliable and consistent coloration for their products.

Application

• Textile Dyeing: Primary application for dyeing wool, silk, and nylon fibers, providing excellent wash and light fastness.
• Leather Finishing: Used for coloring leather goods, offering rich color penetration and uniformity.
• Paper Coloring: Suitable for the tinting of specialty papers and paper products.
• Ink Formulation: A colorant component in the manufacture of certain inks and toners.
• Biological Staining: Potential use as a histological stain in laboratory settings.
• Polymer Mass Coloration: For coloring synthetic polymers during their manufacturing process.

Basic Information

Product Name	C.I. Acid Blue 224
CAS No.	12219-33-9
Molecular Formula	C32H26N4Na2O8S2
Molecular Weight	696.66 g/mol
Synonyms	Acid Blue 224; C.I. 612105; Acid Leather Blue RL; Nylosan Blue N-BLN; Telon Blue ANL; Erionyl Blue RL; Supranol Blue RL; Dermacid Blue 224; Sodium 4-[[4-[(2,4-dimethylphenyl)azo]-3-hydroxynaphthalene-1-sulfonamido]methyl]benzenesulfonate
EINECS	Contact for details

Quality Control

Our C.I. Acid Blue 224 is manufactured under a strict quality management system to ensure batch-to-batch consistency and performance. Each lot is tested against key parameters including color strength, shade, solubility, and impurity profile. A Certificate of Analysis (COA) documenting these results is provided with every shipment to guarantee compliance with your specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Dark Blue Powder
Identification (IR)	Conforms to Standard
Color Strength	100 ± 3% (vs. Standard)
Moisture Content	≤ 5.0%
Water Solubility	Conforms
Ash Content	≤ 1.0%
pH (1% Solution)	6.0 - 8.0

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.