Description

Reactive Orange 82 is a high-performance, water-soluble reactive dye belonging to the azo dye class, identified by CAS NO 71838-95-4. It is valued for its excellent color fastness, bright hue, and strong covalent bonding to cellulosic fibers like cotton and viscose. This dye is essential for manufacturers in the textile industry seeking vibrant and durable orange shades for fabrics, yarns, and garments.

Application

• Textile Dyeing: Primary application for dyeing cotton, linen, rayon, and other cellulosic fibers to achieve brilliant orange shades.
• Garment Manufacturing: Used in the production of dyed apparel, home textiles, and fashion fabrics requiring high wash and light fastness.
• Industrial Fabric Coloration: Suitable for dyeing technical textiles, canvas, and other industrial fabrics where color durability is critical.
• Yarn Dyeing: Applied in the batch or continuous dyeing of yarns for weaving and knitting applications.
• Pad-Batch and Exhaust Dyeing Processes: Compatible with common textile dyeing methods, offering versatility in production.

Basic Information

Product Name	Reactive Orange 82
CAS No.	71838-95-4
Molecular Formula	C31H19ClN7Na4O19S6
Molecular Weight	1240.37 g/mol
Synonyms	Reactive Orange 82; C.I. Reactive Orange 82; Reactive Brilliant Orange 3R; Reactive Orange H-3R; Reactive Orange KE-3R; 2,7-Naphthalenedisulfonic acid, 5-[[4-chloro-6-[[3-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]amino]-1,3,5-triazin-2-yl]amino]-4-hydroxy-3-[[2-methoxy-5-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]azo]-, tetrasodium salt
EINECS	Contact for details

Quality Control

Our Reactive Orange 82 is manufactured under strict quality control protocols to ensure batch-to-batch consistency and performance. We adhere to industry standards for reactive dyes, with key parameters including color strength, solubility, and fixation rate rigorously tested. A Certificate of Analysis (COA) detailing purity, shade, and physical properties is provided with every shipment to guarantee compliance with your specifications.

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. This product is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Orange to reddish-brown powder
Color Strength	Standard depth ± 5%
Solubility in Water	≥ 100 g/L (at 50°C)
Moisture Content	≤ 5.0%
pH (1% Solution)	6.0 - 8.0
Fixation Rate	≥ 70%
Identification (IR)	Conforms to standard
Heavy Metals (as Pb)	≤ 50 ppm

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