Description

Reactive Red 223 is a high-performance, bifunctional reactive dye belonging to the azo chemical class, widely recognized for its excellent color fastness and dyeing properties. Its primary value lies in delivering vibrant, durable red shades with high fixation rates and good reproducibility on cellulosic fibers like cotton and viscose. This dye is essential for textile manufacturers and dye houses seeking reliable and efficient coloration for fabrics, yarns, and garments. The compound is identified by the CAS registry number 93051-43-5.

Application

Reactive Red 223 is engineered for demanding textile dyeing and printing processes. Its key applications include:

• Exhaust Dyeing of Cotton: Primary application for dyeing cotton yarns and fabrics in batch processes, offering excellent levelness and wash fastness.
• Continuous Dyeing: Used in pad-batch and pad-steam continuous dyeing ranges for efficient, large-scale production of cellulosic textiles.
• Textile Printing: Formulated for printing pastes to create sharp, bright red patterns on cotton and viscose fabrics.
• Viscose and Linen Dyeing: Effective for dyeing other cellulosic fibers such as viscose (rayon) and linen, ensuring good fiber penetration.
• Blend Fabric Dyeing: Can be used in processes for cotton-polyester blends, often in combination with disperse dyes.
• Garment Dyeing: Suitable for the dyeing of finished knitwear and other ready-made garments.

Basic Information

Product Name	Reactive Red 223
CAS No.	93051-43-5
Molecular Formula	C31H19ClN7Na4O19S6 (Typical for commercial reactive dyes; exact salt form may vary)
Molecular Weight	Contact for details
Synonyms	Reactive Red 223; C.I. Reactive Red 223; Red 223; Reactive Red KE-4B; Reactive Red M-4BE; Levafix Red E-4BA; Remazol Red 223; Drimarene Red K-4B; Procion Red H-EXL; Sumifix Red 4BF
EINECS	Contact for details

Quality Control

Every batch of Reactive Red 223 is manufactured and tested under a strict quality management system to ensure consistent performance in your dyeing processes. Our products undergo rigorous quality testing to ensure compliance with industry standards. Key parameters such as color strength, shade, solubility, and fixation are meticulously controlled. Certificates of Analysis (COA) detailing batch-specific results are available upon request.

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 product is hygroscopic (moisture-sensitive); the original container must be kept tightly sealed to prevent absorption of atmospheric moisture, which can affect performance. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Red powder
Color Strength	Standard depth ± 5%
Shade	Conforms to standard
Solubility (50°C)	> 100 g/L
Moisture Content	≤ 5.0%
pH (1% Solution)	6.0 - 8.0
Fixation Rate	> 70%
Dusting Grade	Low dusting

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