Description

Acid Blue 231 is a synthetic anthraquinone-based acid dye known for its bright, clear blue shade and excellent fastness properties. It is a critical component for achieving durable and vibrant coloration in polyamide fibers like nylon, where it offers superior wash and light fastness. This high-performance dye is essential for manufacturers in the textile, leather, and specialty paper industries seeking reliable and consistent color results for their products.

Application

• Textile Dyeing: Primary application for dyeing polyamide (nylon) fibers, including apparel, sportswear, and automotive textiles.
• Leather Coloring: Used for dyeing leather goods, providing rich color with good penetration and fastness.
• Paper Staining: Employed in the production of specialty and decorative papers requiring color fastness.
• Ink Formulation: A colorant component in certain types of inks for industrial marking or printing.
• Plastics Coloring: Suitable for coloring specific types of engineering plastics where acid dye compatibility is required.

Basic Information

Product Name	Acid Blue 231
CAS No.	12234-67-2
Molecular Formula	C20H14N2Na2O8S2
Molecular Weight	528.44 g/mol
Synonyms	Acid Blue ARL; C.I. Acid Blue 231; Acid Blue A-RL; Nylosan Blue N-RL; Telon Blue ARL; Suracid Blue ARL; Dermacid Blue ARL; Anthraquinone Blue ARL
EINECS	Contact for details

Quality Control

Our Acid Blue 231 is manufactured under a strict quality management system to ensure batch-to-batch consistency and performance reliability. Each lot is tested against comprehensive specifications for color strength, shade, solubility, and impurity profile. A Certificate of Analysis (COA) detailing these results is provided with every shipment to guarantee compliance with your technical requirements.

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
Color Strength	100 ± 3% (vs. Standard)
Moisture Content	≤ 5.0%
Water Insoluble Matter	≤ 1.0%
Shade	Conforms to Standard
Solubility	Freely soluble in water

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