Description

C.I. Acid Blue 175 is a synthetic acid dye belonging to the anthraquinone chemical class, valued for its bright and stable blue shade. This product is essential for achieving durable and vibrant coloration on protein-based fibers like wool, silk, and nylon. It is a critical component for manufacturers in the textile, leather finishing, and specialty paper industries seeking high-performance, wash-fast dyes.

Application

• Textile Dyeing: Primary application for dyeing wool, silk, and polyamide (nylon) fibers, offering excellent leveling and wash-fastness properties.
• Leather Coloration: Used in the dyeing of leather goods, providing rich, penetrating color for upholstery, apparel, and accessories.
• Paper Staining: Employed for the coloration of specialty papers, including decorative and security papers.
• Ink Formulation: A colorant component in the manufacture of certain inks for industrial marking or specialty printing.
• Biological Staining: Potential use as a microscopic stain in histology and cytology laboratories.

Basic Information

Product Name	C.I. Acid Blue 175
CAS No.	12219-25-9
Molecular Formula	C32H26N4Na2O8S2
Molecular Weight	696.66 g/mol
Synonyms	Acid Blue 175; Acid Leather Blue A-CF; C.I. 621515; Acid Blue ARL; Amichrome Blue FBL; Dermacid Blue BL; Telon Blue FBL; Nylosan Blue F-BL; Anthraquinone Blue ARL; Sodium 1-amino-4-[(4-aminophenyl)amino]-9,10-dioxo-9,10-dihydroanthracene-2-sulfonate
EINECS	Contact for details

Quality Control

Our C.I. Acid Blue 175 is manufactured under a strict quality management system. Every batch is tested to ensure consistent strength, shade, and chemical purity, meeting the specifications required for industrial dyeing applications. A comprehensive Certificate of Analysis (COA) detailing purity, strength, and impurity profiles is provided with each shipment to guarantee traceability and performance.

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 Insoluble Matter	≤ 1.0%
Shade	Conforms to Standard
Solubility	Soluble in Water
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.