Description

Reactive Red 183 is a high-performance, fiber-reactive dye belonging to the azo dye class, specifically engineered for covalent bonding with cellulosic fibers. Its primary value lies in delivering brilliant, wash-fast red shades with excellent reproducibility and cost-efficiency in industrial dyeing processes. This product is essential for textile manufacturers, dye houses, and chemical suppliers serving the global apparel and home furnishing industries.

Application

• Primary application in the exhaust dyeing of cotton, viscose, and other cellulosic fibers.
• Used in continuous dyeing and printing processes for textiles.
• Suitable for dyeing cellulosic blends with polyester or nylon.
• Employed in the coloration of yarn and fabrics for apparel, home textiles, and upholstery.
• Offers good compatibility in combination shades with other reactive dyes.
• Valued for its good solubility and leveling properties in dye baths.

Basic Information

Product Name	Reactive Red 183
CAS No.	76416-02-9
Molecular Formula	C31H19ClN7Na4O19S6
Molecular Weight	1135.37 g/mol
Synonyms	Reactive Red HE-3B; C.I. Reactive Red 183; Reactive Red HE-3B (C.I. 18215); Remazol Red 3B; Levafix Red CA; Procion Red HE-3B; Sumifix Red 3BF; Dianix Red AC-E
EINECS	Contact for details

Quality Control

Our Reactive Red 183 is manufactured under a stringent quality management system to ensure batch-to-batch consistency and performance reliability. Each lot is tested against key parameters including color strength, shade, solubility, and fixation properties. A Certificate of Analysis (COA) detailing purity, physical properties, and application performance is provided with every shipment to guarantee it meets the specifications required for industrial dyeing processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong oxidizing agents and moisture to maintain product stability and shelf life.

Specification

Item	Specification
Appearance	Reddish-brown powder
Color Strength	100 ± 3% (Standard)
Moisture Content	≤ 5.0%
Water Solubility (at 50°C)	≥ 100 g/L
pH (1% Solution)	5.5 - 7.5
Identification (IR)	Conforms to standard
Fixation Rate	≥ 70% (Standard conditions)
Dusting Grade	Low dusting

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