Description

Acid Blue 208 is a synthetic acid dye belonging to the anthraquinone chemical class, valued for its bright and stable blue color. It is a critical component for achieving consistent, high-quality coloration in demanding industrial applications where wash and light fastness are essential. This product is primarily needed by manufacturers in the textile, leather, and paper industries for dyeing and printing processes.

Application

• Primary dyeing of wool, silk, and polyamide (nylon) fibers in the textile industry.
• Printing applications on natural and synthetic fabrics for apparel and home furnishings.
• Coloration of leather goods, including footwear, bags, and upholstery.
• Paper staining and tinting for specialty papers and packaging materials.
• As a colorant in the manufacture of inks and toners.
• Potential use in biological staining for microscopy applications.

Basic Information

Product Name	Acid Blue 208
CAS No.	69912-83-0
Molecular Formula	C32H26N4Na2O8S2
Molecular Weight	696.7 g/mol
Synonyms	Acid Blue 208; C.I. 61211; Acid Blue ARL; Telon Blue ARL; Supranol Blue ARL; Nylosan Blue N-5GL; Lanasyn Blue S-AL; Acid Anthraquinone Blue 208
EINECS	Contact for details

Quality Control

Our Acid Blue 208 is produced under a stringent quality management system to ensure batch-to-batch consistency and performance reliability. Each lot undergoes comprehensive analytical testing, including spectrophotometric analysis for color strength and purity, to meet defined technical specifications. A Certificate of Analysis (COA) detailing key parameters such as assay, shade, and solubility is provided with every shipment.

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). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product performance.

Specification

Item	Specification
Appearance	Dark Blue Powder
Identification (IR)	Conforms to Standard
Assay (Color Strength)	≥ 98%
Moisture Content	≤ 5.0%
Water Solubility	Conforms
Shade	Conforms to Standard
Fastness Properties	Contact for details

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