Description

Reactive Red 180 is a high-performance, bifunctional reactive dye belonging to the azo class, widely recognized for its excellent color fastness and brilliant red hue. It is a critical component for achieving deep, wash-resistant shades in cellulose fiber dyeing and printing processes. This product is essential for textile manufacturers, leather tanners, and specialty ink producers seeking reliable, high-quality colorants for industrial applications. Its consistent performance ensures vibrant and durable coloration in demanding production environments.

Application

• Textile Dyeing: Primary application for dyeing cotton, viscose, and other cellulose fibers, offering excellent exhaustion and fixation properties.
• Textile Printing: Used in printing pastes for fabrics, providing sharp outlines and bright, fast colors.
• Leather Coloring: Imparts rich, uniform red shades to leather goods with good rub fastness.
• Paper Staining: Employed for coloring specialty papers where high color value is required.
• Ink Formulation: A key pigment for manufacturing inks used in flexographic and other printing applications.
• Research & Development: Serves as a standard or intermediate in chemical synthesis and dye research laboratories.

Basic Information

Product Name	Reactive Red 180
CAS No.	72828-03-6
Molecular Formula	C31H19ClN7Na5O19S6
Molecular Weight	Contact for details
Synonyms	Reactive Red 180; C.I. Reactive Red 180; Remazol Red 3B; Levafix Red CA; Procion Red H-EXL; Sumifix Red 3BF; Dinazol Red 3B; Reactive Brilliant Red KE-3B; 2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-3-[[4-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]azo]-6-[[4-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]azo]-, sodium salt (1:?); CAS 72828-03-6
EINECS	Contact for details

Quality Control

Our Reactive Red 180 is manufactured under a stringent quality management system. Every batch undergoes rigorous testing for critical parameters including color strength, shade, solubility, and reactive group content to ensure batch-to-batch consistency and performance. Certificates of Analysis (COA) documenting purity, physical properties, and application test 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). Keep away from incompatible materials. The product is light-sensitive and should be stored away from direct light exposure to maintain stability.

Specification

Item	Specification
Appearance	Red powder
Color Strength	Standard depth ± 5%
Shade	Conforms to standard
Moisture Content	≤ 7.0%
Water Insoluble Matter	≤ 0.5%
pH (1% Solution)	6.0 - 8.0
Identification (IR)	Conforms
Fixation Rate	≥ 70%

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