Description

C.I. Direct Blue 160 is a high-performance, water-soluble disazo direct dye renowned for its excellent substantivity to cellulosic fibers. This compound matters for its ability to produce deep, vibrant blue shades with good fastness properties, particularly in textile dyeing applications. Industries that need it include textile manufacturers, paper colorants producers, and leather tanneries seeking reliable and efficient coloring agents. Its consistent quality ensures reproducible results in demanding industrial processes.

Application

• Textile Dyeing: Primary application for dyeing cotton, viscose, and other cellulosic fibers to achieve navy to blackish-blue shades.
• Paper Coloring: Used in the production of colored papers, including specialty packaging and decorative papers.
• Leather Finishing: Imparts color to leather goods in the tanning industry.
• Ink Formulation: A colorant component in certain types of inks, including stamp pad and flexographic inks.
• Biological Staining: Potential use as a histological stain in laboratory settings.
• Polymer Mass Coloration: For coloring viscose and other cellulosic-based polymers during the manufacturing process.

Basic Information

Product Name	C.I. Direct Blue 160
CAS No.	12222-02-5
Molecular Formula	C34H23N7Na2O10S2
Molecular Weight	807.71 g/mol
Synonyms	Direct Blue 160; C.I. 24410; Direct Navy Blue 2B; Direct Blue 2B; Amanil Navy Blue 2B; Atul Direct Navy Blue 2B; Dinamine Blue 2B; Sirius Blue 2B; Solamine Blue 2B; Diazol Blue 2B
EINECS	Contact for details

Quality Control

Our C.I. Direct Blue 160 is manufactured under a stringent quality management system to ensure batch-to-batch consistency and performance reliability. Every lot undergoes comprehensive testing for key parameters including color strength, shade, solubility, and impurity profile. Certificates of Analysis (COA) documenting these results are available upon request 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 to Black 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 in Water	Conforms
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.