Description

C.I. Acid Blue 245 is a synthetic acid dye belonging to the anthraquinone chemical class, valued for its bright and stable blue hue. It is a critical component for achieving high-quality, durable coloration in various industrial substrates. This dye is primarily sought after by manufacturers in the textile, leather, and specialty paper industries for its excellent application properties.

Application

• Textile Dyeing: Primary application for dyeing polyamide (nylon) fibers, wool, and silk, offering good wash and light fastness.
• Leather Finishing: Used for coloring leather goods, providing rich and even shades.
• Paper Coloring: Employed in the production of specialty and decorative papers.
• Ink Formulation: A colorant for certain types of inks, including stamp pad and flexographic inks.
• Biological Staining: Potential use as a histological stain in laboratory settings.
• Plastics and Polymers: Can be used for coloring specific types of plastics where acid dye compatibility exists.

Basic Information

Product Name	C.I. Acid Blue 245
CAS No.	12219-46-4
Molecular Formula	C32H26N4O8S2
Molecular Weight	666.70 g/mol
Synonyms	Acid Blue 245; C.I. 62075; Anthraquinone Blue 245; Acid Anthraquinone Blue GL; Telon Blue A-2R; Nylosan Blue N-2R; Acid Blue A-2R; 1-Amino-4-(3-((4-((2,4-disulfophenyl)amino)phenyl)amino)-2-hydroxypropyl)amino)-9,10-dihydro-9,10-dioxoanthracene-2-sulfonic acid
EINECS	Contact for details

Quality Control

Our C.I. Acid Blue 245 is manufactured under a strict quality management system to ensure batch-to-batch consistency and performance. Quality is verified through comprehensive testing including identification, purity assay, and shade strength evaluation. A Certificate of Analysis (COA) detailing specifications and test results is provided with every shipment to guarantee compliance with your 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 to Standard
Assay (HPLC)	≥ 95.0%
Shade & Strength	100 ± 3% vs. Standard
Moisture Content	≤ 5.0%
Water Insoluble Matter	≤ 0.5%
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.