Description

Reactive Red 15 is a high-purity, reactive azo dye specifically engineered for covalent bonding with textile fibers. This compound is valued for its excellent color fastness, bright red hue, and efficient application in industrial dyeing processes. It is primarily used by manufacturers in the textile industry for dyeing and printing cellulosic fibers like cotton and viscose, as well as in research and development for creating specialized colorants.

Application

• Primary application in the exhaust dyeing of cotton and other cellulosic fabrics.
• Used in continuous dyeing and printing processes for textiles.
• Employed in the coloration of viscose rayon and linen.
• Suitable for research and development of new reactive dye formulations.
• Potential use in the coloration of leather and other natural materials.
• Applied in educational and laboratory settings for dye chemistry studies.

Basic Information

Product Name	Reactive Red 15
CAS No.	12238-01-6
Molecular Formula	C25H14Cl2N6Na2O10S2
Molecular Weight	771.48 g/mol
Synonyms	Reactive Red 15; C.I. Reactive Red 15; Procion Red H-8B; Remazol Red RB; Levafix Red E-4BA; Drimarene Red K-4BL; Reactive Red K-4B; 2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-3-[(4-[(2-(sulfooxy)ethyl)sulfonyl]phenyl]azo]-6-(2,4,6-trichlorophenyl)azo]-, disodium salt
EINECS	Contact for details

Quality Control

Our production of Reactive Red 15 adheres to stringent quality protocols to ensure batch-to-batch consistency and performance. Each lot is tested against key parameters including color strength, solubility, and reactive group content. A Certificate of Analysis (COA) detailing purity, physical properties, and application performance is provided with every shipment to guarantee it meets your specific process requirements.

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	Red to dark red powder
Identification (IR)	Conforms to structure
Color Strength	Standard depth ± 3%
Moisture Content	≤ 5.0%
Water Solubility	≥ 50 g/L (at 50°C)
pH (1% Solution)	6.0 - 8.0
Dye Content	≥ 80%
Fixation Rate	≥ 70% (on cotton)

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