Description

Reactive Red 84 is a high-purity, light-sensitive reactive dye belonging to the azo dye class, identified by CAS NO 85187-33-3. It is valued for its strong covalent bonding to cellulosic fibers, providing excellent wash and light fastness properties. This product is essential for manufacturers in the textile industry seeking vibrant and durable red colorations on cotton, viscose, and other natural fibers.

Application

• Primary dyeing of cotton and viscose fibers and fabrics.
• Exhaust dyeing processes for yarns and garments.
• Continuous pad-batch and pad-steam dyeing operations.
• Used in the formulation of specialty dye mixtures for specific color shades.
• Application in the laboratory for dye research and color matching.

Basic Information

Product Name	Reactive Red 84
CAS No.	85187-33-3
Molecular Formula	C31H19ClN7Na4O19S6
Molecular Weight	1240.36 g/mol
Synonyms	Reactive Red 84; Reactive Red M-8BE; C.I. Reactive Red 84; Reactive Brilliant Red M-8BE; Remazol Brilliant Red M-8BE; Levafix Brilliant Red E-4BA; Procion Red H-8BN; Triactive Red F3B
EINECS	Contact for details

Quality Control

Our Reactive Red 84 is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure consistent strength, shade, and reactivity. A detailed Certificate of Analysis (COA) confirming parameters such as purity, dye content, and solubility 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 incompatible materials and moisture to maintain product integrity.

Specification

Item	Specification
Appearance	Reddish-brown powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 95.0%
Shade	Standard
Solubility in Water	≥ 100 g/L (50°C)
Moisture Content	≤ 5.0%
pH (1% Solution)	6.0 - 8.0

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