Description

Acid Blue 161, Pure CAS NO 12392-64-2 is a high-purity, synthetic acid dye belonging to the anthraquinone class, valued for its bright and stable blue hue. It is engineered to deliver exceptional color strength, lightfastness, and wash fastness in demanding industrial applications. This product is essential for manufacturers in the textile, leather, and specialty paper industries seeking reliable and consistent coloration for premium products.

Application

• Textile Dyeing: Primary application for dyeing wool, silk, and polyamide (nylon) fibers to achieve vibrant blue shades with excellent fastness properties.
• Leather Finishing: Used in the coloration of leather goods, providing rich color and good penetration.
• Paper Staining: Employed for the production of specialty colored papers, including decorative and security papers.
• Ink Formulation: A key component in the manufacture of certain types of inks, particularly for non-impact printing and specialty coatings.
• Biological Staining: Utilized in histology and microscopy as a staining agent for tissue samples in laboratory settings.
• Plastics and Polymers: Can be used for mass coloration of certain plastics where color stability is required.

Basic Information

Product Name	Acid Blue 161, Pure
CAS No.	12392-64-2
Molecular Formula	C32H26N4Na2O8S2
Molecular Weight	696.66 g/mol
Synonyms	Acid Blue 161; C.I. 15706; Acid Blue ARL; Telon Blue ARL; Nylosan Blue N-BL; Acid Brilliant Blue ARL; 1-Amino-4-(cyclohexylamino)-9,10-dihydro-9,10-dioxo-2-anthracenesulfonic acid, disodium salt; Acid Leather Blue ARL
EINECS	235-648-8

Quality Control

Our Acid Blue 161 is produced under a stringent quality management system to ensure batch-to-batch consistency and high performance. Every lot is tested against rigorous in-house specifications for critical parameters including color strength, shade, solubility, and impurity profile. A Certificate of Analysis (COA) detailing these results is provided with each shipment to support your quality assurance protocols.

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. The product is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Dark blue powder
Identification (IR)	Conforms to standard
Assay (HPLC)	≥ 95.0%
Color Strength	100 ± 3% (vs. Standard)
Moisture Content	≤ 5.0%
Water Solubility	Conforms
Ash Content	≤ 1.0%

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