Description

C.I. Reactive Blue 62 is a high-performance, water-soluble reactive dye belonging to the anthraquinone chemical class. It is engineered to deliver excellent wash and light fastness properties, forming a strong covalent bond with cellulosic fibers for brilliant and durable coloration. This product is essential for textile manufacturers and dye houses specializing in the dyeing and printing of cotton, viscose, and other natural fibers. Its consistent quality ensures reliable batch-to-batch performance in demanding industrial applications.

Application

• Exhaust dyeing of cotton yarn and knitted fabrics.
• Continuous pad-batch and pad-steam dyeing of woven cellulosic textiles.
• Textile printing applications for creating sharp, vibrant blue hues.
• Dyeing of viscose rayon and other regenerated cellulose fibers.
• Used in formulations for specialty inks where reactive properties are required.
• Research and development of new dye formulations and color matching.

Basic Information

Product Name	C.I. Reactive Blue 62
CAS No.	12270-74-5
Molecular Formula	C29H19ClN7O11S3·xNa
Molecular Weight	Contact for details
Synonyms	Reactive Blue 62; Reactive Blue K-GL; C.I. 621524; Remazol Brilliant Blue R; Drimarene Brilliant Blue R; Levafix Brilliant Blue E-RA; Procion Brilliant Blue H-EG; Anthraquinone blue reactive dye
EINECS	Contact for details

Quality Control

Our production of C.I. Reactive Blue 62 adheres to stringent quality management protocols to ensure product consistency and performance. Every batch is analyzed for critical parameters including color strength, shade, solubility, and reactive group content. Certificates of Analysis (COA) documenting these results are available upon request to support your quality assurance and production planning.

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. The product is hygroscopic (moisture-sensitive); ensure containers are sealed after each use to prevent caking or performance degradation.

Specification

Item	Specification
Appearance	Blue powder
Color Strength	100 ± 3% (vs. Standard)
Solubility in Water	≥ 100 g/L (at 50°C)
pH (1% Solution)	5.5 - 7.5
Moisture Content	≤ 5.0%
Identification (IR)	Conforms to standard
Assay (HPLC)	≥ 90.0%

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