Description

C.I. Reactive Red 33 One Of The Kayacion Scarlet p-Rn is a high-performance, water-soluble reactive dye belonging to the azo chemical class, designed for covalent bonding with cellulosic fibers. This product is engineered to deliver a brilliant, bluish-red shade with excellent wet fastness properties, ensuring color vibrancy and durability in demanding applications. It is an essential component for textile manufacturers, leather tanneries, and paper producers seeking reliable and consistent coloration for their products.

Application

• Textile Dyeing: Primary application for dyeing cotton, viscose, linen, and other cellulosic fibers via exhaust, pad-batch, or continuous dyeing processes.
• Leather Coloring: Used for dyeing leather to achieve uniform and fast red shades.
• Paper Staining: Employed in the paper industry for coloring paper pulp and specialty papers.
• Ink Formulation: A key component in the manufacture of inks for various printing applications.
• Research & Development: Serves as a standard or intermediate in chemical research and quality control laboratories.

Basic Information

Product Name	C.I. Reactive Red 33 One Of The Kayacion Scarlet p-Rn
CAS No.	70865-24-6
Molecular Formula	C26H21ClN7Na3O11S3
Molecular Weight	880.16 g/mol
Synonyms	Reactive Red 33; Kayacion Scarlet P-RN; C.I. 18221; Reactive Scarlet P-RN; Levafix Scarlet P-RN; Procion Scarlet P-RN; Remazol Scarlet P-RN; 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 C.I. Reactive Red 33 is manufactured under a stringent quality management system. Every batch undergoes comprehensive analytical testing, including spectrophotometric strength assessment and purity checks, to ensure it meets consistent performance standards for shade and fastness. Certificates of Analysis (COA) detailing batch-specific results are available upon request.

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. The product is hygroscopic (moisture-sensitive); ensure the container is sealed after each use to prevent moisture absorption.

Specification

Item	Specification
Appearance	Reddish-brown powder
Identification (IR)	Conforms to standard
Color Strength	≥ 98% (vs. Standard)
Moisture Content	≤ 5.0%
Water Insoluble Matter	≤ 0.5%
pH (1% Solution)	6.0 - 8.0
Shade	Conforms to standard
Fastness Properties	Conforms to commercial standard

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