Description

Reactive Yellow 16 is a high-purity, water-soluble anionic dye belonging to the vinyl sulfone reactive dye class. It is engineered for exceptional color fastness and brilliant yellow hues in cellulose fiber dyeing and printing applications. This product is essential for textile manufacturers, ink formulators, and paper coating specialists seeking reliable, vibrant, and wash-resistant coloration. Its compatibility with standard industrial processes makes it a versatile choice for global supply chains.

Application

• Primary dyeing and printing of cotton, viscose, and other cellulosic fibers.
• Production of high-fastness inks for specialty printing applications.
• Coloration of paper and paperboard in coating formulations.
• Used in the manufacture of leather dyes for consistent, bright finishes.
• Potential application in the coloration of wood and other natural polymers.
• Research and development of new colorant systems in industrial laboratories.

Basic Information

Product Name	Reactive Yellow 16
CAS No.	12769-11-8
Molecular Formula	C26H18Cl2N8Na2O8S2
Molecular Weight	759.48 g/mol
Synonyms	Reactive Yellow H-E4R; C.I. Reactive Yellow 16; Reactive Brilliant Yellow H-E4R; Vinylsulfone Yellow HE4R; Remazol Brilliant Yellow H-E4R; Levafix Yellow E-4R; Sumifix Yellow H-E4R; 2,2'-[1,2-Ethenediylbis[(3-sulfo-4,1-phenylene)imino[6-(acetylamino)-1,3,5-triazine-4,2-diyl]imino]]bis-, disodium salt
EINECS	Contact for details

Quality Control

Our production of Reactive Yellow 16 adheres to stringent quality management protocols to ensure batch-to-batch consistency and performance reliability. Each lot is tested for critical parameters including color strength, solubility, and reactive group content. Certificates of Analysis (COA) documenting purity, shade, and application performance are provided with every shipment to support your quality assurance processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at ambient temperature (15-25°C). Keep away from strong oxidizing agents. The product is hygroscopic (moisture-sensitive); ensure containers are sealed after each use to prevent moisture absorption and caking.

Specification

Item	Specification
Appearance	Yellow to orange powder
Identification (IR)	Conforms to standard
Color Strength	100 ± 3% (vs. Standard)
Moisture Content	≤ 5.0%
Water Solubility (at 50°C)	≥ 100 g/L
pH (1% Solution)	6.0 - 8.0
Dusting Property	Low dusting

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