Description

Levafix Brilliant Blue Prl is a high-performance, reactive dye belonging to the phthalocyanine chemical class, known for its brilliant blue hue and excellent fastness properties. This product is engineered to deliver superior color yield and outstanding wash and light fastness on cellulosic fibers, providing reliable and consistent results for demanding industrial applications. It is an essential component for textile manufacturers, leather processors, and specialty ink producers seeking vibrant, durable, and cost-effective coloration solutions.

Application

• Textile Dyeing: Primary application for dyeing cotton, viscose, and other cellulosic fibers in exhaust, pad-batch, and continuous dyeing processes.
• Leather Processing: Used for coloring leather goods, offering good penetration and uniform shades.
• Ink Formulation: Suitable for the production of specialty inks, including inks for digital textile printing.
• Paper Coloration: Employed in the tinting of specialty papers where high color strength is required.
• Research & Development: Serves as a reference standard or key intermediate in chemical synthesis and dye research laboratories.

Basic Information

Product Name	Levafix Brilliant Blue Prl
CAS No.	61968-90-9
Molecular Formula	C32H14Cl2CuN8O14S4 · xNa
Molecular Weight	Contact for details
Synonyms	Reactive Blue 221; C.I. Reactive Blue 221; Levafix Brilliant Blue P-RL; Remazol Brilliant Blue Prl; Phthalocyanine Brilliant Blue Prl; Brilliant Blue Prl Reactive Dye; 1,3,6,8-Pyrenetetrasulfonic acid, reaction product with copper phthalocyaninechloride-sulfonyl chlorides, sodium salts
EINECS	Contact for details

Quality Control

Our Levafix Brilliant Blue Prl is manufactured under a stringent quality management system to ensure batch-to-batch consistency and performance reliability. Each lot is tested against comprehensive specifications for color strength, shade, solubility, and reactive group content. A Certificate of Analysis (COA) documenting purity, physical properties, and performance characteristics is provided with every 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). This material is hygroscopic (moisture-sensitive); keep the original container tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Blue Powder
Color Strength	100 ± 3% (vs. Standard)
Moisture Content	≤ 5.0%
Water Solubility	≥ 50 g/L (at 50°C)
pH (1% Solution)	6.0 - 8.0
Identification (IR)	Conforms
Heavy Metals (as Pb)	≤ 50 ppm

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