Description

Cireactiveyellow25 CAS NO 12226-52-7 is a high-purity, reactive dye belonging to the vinyl sulfone class, known for its excellent color fastness and brilliant yellow hue. This compound is engineered for covalent bonding with cellulosic fibers, providing superior wash and light fastness properties essential for durable coloration. It is a critical component for textile manufacturers, leather tanneries, and specialty ink producers seeking reliable and vibrant yellow dyes for industrial applications.

Application

• Textile Dyeing: Primary application for dyeing cotton, viscose, and other cellulosic fibers to achieve bright, wash-fast yellow shades.
• Leather Coloring: Used in the tanning industry for coloring leather goods, offering good penetration and uniform color.
• Ink Formulation: A key pigment for manufacturing inks used in jet printing and specialty marking applications.
• Paper Staining: Employed in the production of colored papers and boards where high color value is required.
• Research & Development: Serves as a standard or intermediate in chemical research for developing new dye formulations and studying reactive dye chemistry.

Basic Information

Product Name	Cireactiveyellow25
CAS No.	12226-52-7
Molecular Formula	C25H20ClN7Na3O11S3
Molecular Weight	872.13 g/mol
Synonyms	Reactive Yellow 25; C.I. Reactive Yellow 25; Vinylsulfone Reactive Yellow 25; Remazol Brilliant Yellow 3GL; Levafix Brilliant Yellow E-3G; Drimarene Brilliant Yellow K-3G; Reactive Brilliant Yellow K-3G; 2,7-Naphthalenedisulfonic acid, 5-[[4-chloro-6-[(3-sulfophenyl)amino]-1,3,5-triazin-2-yl]amino]-4-hydroxy-3-[(2-sulfophenyl)azo]-, trisodium salt
EINECS	Contact for details

Quality Control

Our Cireactiveyellow25 is manufactured under a strict quality management system. Every batch undergoes rigorous testing, including purity assay, shade strength, and solubility checks, to ensure it meets the high standards required for industrial dyeing processes. Certificates of Analysis (COA) detailing all specifications are available upon request to guarantee traceability and batch-to-batch consistency.

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 strong oxidizing agents and moisture to maintain product integrity.

Specification

Item	Specification
Appearance	Yellow to orange powder
Identification (IR)	Conforms to standard
Assay (HPLC)	≥ 95.0%
Shade Strength	100 ± 3%
Solubility in Water	Clear solution at 1%
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.