Description

Alizarine Sky Blue 3Fg is a synthetic, water-soluble anthraquinone dye known for its brilliant blue color. This high-performance colorant is valued for its excellent tinting strength, good lightfastness, and compatibility with various substrates. It is primarily utilized by manufacturers in the textile, paper, and specialty ink industries seeking consistent and vibrant blue hues for their products.

Application

• Textile Dyeing and Printing: Used for coloring cotton, wool, silk, and nylon fabrics, offering good wash and light fastness.
• Paper Coloring: Employed in the production of colored papers, including specialty packaging, decorative papers, and security documents.
• Ink Formulation: A key pigment for manufacturing writing inks, stamp pad inks, and other aqueous-based ink systems.
• Leather Finishing: Applied in the dyeing of leather goods to achieve uniform and durable blue shades.
• Biological Staining: Used in histology and microscopy as a staining agent for tissue samples.
• Colorant for Polymers: Incorporated into certain plastics and coatings where its color properties are required.

Basic Information

Product Name	Alizarine Sky Blue 3Fg
CAS No.	10142-59-3
Molecular Formula	C₃₇H₃₄N₂Na₂O₉S₂
Molecular Weight	760.78 g/mol
Synonyms	Acid Blue 43; Alizarine Brilliant Sky Blue R; C.I. 63000; Alizarine Sky Blue B; Alizarine Pure Blue 3G; Wool Sky Blue A; Sky Blue 3Fg; Sodium 1-amino-4-(cyclohexylamino)-9,10-dioxo-9,10-dihydroanthracene-2-sulfonate
EINECS	233-411-2

Quality Control

Our Alizarine Sky Blue 3Fg is produced under a stringent quality management system. Each batch is tested to ensure consistent color strength, purity, and performance characteristics. A comprehensive Certificate of Analysis (COA) detailing specifications such as purity, ash content, and solubility is provided with every shipment to guarantee it meets your application 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
Assay (HPLC)	≥ 95.0%
Water Solubility	Freely Soluble
Loss on Drying	≤ 5.0%
Sulfated Ash	≤ 30.0%
Heavy Metals (as Pb)	≤ 20 ppm

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