Description

Reactive Blue 67 is a high-performance, reactive dye belonging to the anthraquinone class, known for its brilliant blue color and excellent fastness properties. It is a critical component for achieving deep, wash-fast shades on cellulosic fibers like cotton and viscose. This product is essential for textile manufacturers, dye houses, and chemical distributors serving the global fabric and garment industry. Its consistent quality ensures reliable coloration and batch-to-batch reproducibility in demanding industrial applications.

Application

• Textile Dyeing: Primary application for exhaust and continuous dyeing of cotton, linen, and other cellulosic fibers.
• Viscose Rayon Coloration: Used to impart vibrant and durable blue shades to viscose fabrics.
• Yarn Dyeing: Suitable for dyeing cotton and blended yarns in package, beam, or hank dyeing machines.
• Garment Wet Processing: Employed in garment dyeing for denim and other cotton-based apparel.
• Industrial Fabric Coloring: For coloring canvas, toweling, and other heavy-duty cellulosic textiles.
• Dye Intermediate: Serves as a key chemical intermediate for producing other specialty dyes and colorants.

Basic Information

Product Name	Reactive Blue 67
CAS No.	61968-91-0
Molecular Formula	C29H19ClN7O11S3·xNa
Molecular Weight	Approx. 840.18 (Free Acid)
Synonyms	Reactive Blue HERD; C.I. Reactive Blue 67; Reactive Blue H-ERD; Remazol Brilliant Blue R Special; Levafix Blue CA; Dianix Blue CC-R; Drimarene Blue X-3LR; Sumifix Brilliant Blue BR
EINECS	Contact for details

Quality Control

Our Reactive Blue 67 is manufactured under a stringent quality management system to ensure it meets the high standards required for industrial textile applications. Every batch is tested for critical parameters including color strength, shade, solubility, and fixation properties to guarantee performance consistency. A comprehensive 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 heat sources and incompatible materials. The product is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Blue Powder
Color Strength	100 ± 3% (Standard)
Moisture Content	≤ 5.0%
Water Solubility	≥ 50 g/L (at 50°C)
pH (1% Solution)	6.0 - 8.0
Identification (IR)	Conforms
Fixation Rate	≥ 70% (Standard Conditions)
Dusting Property	Low

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