Description

Lanasolblue3R is a specialized reactive dye belonging to the Lanasol range, designed for high-performance coloration of protein fibers. Its primary value lies in delivering brilliant, wash-fast blue shades with excellent leveling properties and reproducibility in industrial dyeing processes. This product is essential for manufacturers in the textile and leather industries seeking vibrant, durable colorants for wool, silk, and nylon substrates. Lanasolblue3R CAS NO 12225-61-5 is engineered to meet the stringent demands of modern, eco-efficient dyeing applications.

Application

• Wool Dyeing: Primary application for achieving deep, level blue shades on wool yarns, fabrics, and knitwear with superior fastness properties.
• Silk Coloration: Used for dyeing silk textiles, providing bright colors and good fastness to light and washing.
• Nylon Fiber Dyeing: Effective for dyeing polyamide (nylon) fibers, often used in carpets, apparel, and technical textiles.
• Leather Finishing: Applied in the dyeing of leather goods to produce consistent and rich blue colors.
• Blend Dyeing: Suitable for dyeing fiber blends containing wool or silk, such as wool/cotton or silk/cotton mixtures.
• Batch Exhaust Dyeing: Optimized for use in conventional exhaust dyeing machines under acidic conditions.

Basic Information

Product Name	Lanasolblue3R
CAS No.	12225-61-5
Molecular Formula	C29H19Cl2N7O7S2
Molecular Weight	712.54 g/mol
Synonyms	C.I. Reactive Blue 50; Reactive Blue 50; Lanasol Blue 3R; C.I. 61252; 2-Anthracenesulfonic acid, 1-amino-4-[[4-[[4-chloro-6-[(3-sulfophenyl)amino]-1,3,5-triazin-2-yl]amino]-2-sulfophenyl]amino]-9,10-dihydro-9,10-dioxo-, sodium salt (1:?); Reactive Blue M-2GE; Remazol Brilliant Blue R (related class); Sodium 1-amino-4-[[4-[[4-chloro-6-[(3-sulfophenyl)amino]-1,3,5-triazin-2-yl]amino]-2-sulfophenyl]amino]-9,10-dioxo-9,10-dihydroanthracene-2-sulfonate
EINECS	Contact for details

Quality Control

Every batch of Lanasolblue3R is manufactured and tested under a strict quality management system. Our products undergo rigorous quality testing to ensure compliance with industry standards for reactive dyes, including checks for color strength, shade, solubility, and impurity profiles. Certificates of Analysis (COA) detailing batch-specific results are available upon request to support your quality assurance and regulatory needs.

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 and incompatible materials. The container must be kept tightly closed to prevent moisture absorption and contamination.

Specification

Item	Specification
Appearance	Blue powder
Color Strength	≥ 98% (vs. Standard)
Moisture Content	≤ 5.0%
Water Solubility	≥ 50 g/L (at 50°C)
pH (1% Solution)	6.0 - 8.0
Identification (IR)	Conforms to standard
Shade	Conforms to standard
Dusting Property	Low dusting

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