Description

C.I. Reactive Blue 84 is a high-performance, reactive dye belonging to the anthraquinone chemical class, known for its brilliant blue hue and excellent fastness properties. Its primary value lies in its ability to form a covalent bond with cellulosic fibers, ensuring superior wash and light fastness for long-lasting coloration. This product is essential for manufacturers in the textile industry seeking reliable and vibrant dyes for cotton, viscose, and other natural fiber applications.

Application

• Textile Dyeing: Primary application for exhaust and continuous dyeing of cotton, linen, and other cellulosic fibers.
• Viscose Rayon Coloration: Used for dyeing viscose and rayon fabrics to achieve bright blue shades.
• Garment Dyeing: Suitable for dyeing finished knitwear and garments in batch processes.
• Yarn Dyeing: Applied for coloring cotton or blended yarns in package or hank dyeing machines.
• Industrial Fabric Production: Used for coloring canvas, denim, and other heavy-duty cotton fabrics.
• Research & Development: Serves as a reference standard or intermediate in chemical research for new dye formulations.

Basic Information

Product Name	C.I. Reactive Blue 84
CAS No.	12731-66-7
Molecular Formula	C29H19ClN7O11S3
Molecular Weight	781.14 g/mol
Synonyms	Reactive Blue 84; Reactive Blue H-EGN; C.I. 12731-66-7; Reactive Blue HE-R; Remazol Brilliant Blue R Special; Levafix Blue CA; Procion Blue H-EGN; Anthraquinone Blue Reactive Dye
EINECS	Contact for details

Quality Control

Our C.I. Reactive Blue 84 is manufactured under a strict quality management system. Every batch undergoes comprehensive testing for key parameters including color strength, shade, solubility, and reactive group content to ensure batch-to-batch consistency and performance in your application. A Certificate of Analysis (COA) detailing purity, physical properties, and application test results is provided with each shipment.

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 moisture to maintain product integrity.

Specification

Item	Specification
Appearance	Blue Powder
Color Strength	Standard Depth ± 3%
Shade	Conforms to 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.