Description

C.I.Direct Red 230 is a high-performance, water-soluble direct dye belonging to the azo chemical class. This compound is valued for its strong affinity to cellulosic fibers, providing excellent wash and light fastness properties in dyeing applications. It is primarily used by manufacturers in the textile, paper, and leather industries seeking reliable and vibrant red colorants for their products.

Application

• Textile Dyeing: Primary application for dyeing cotton, viscose, rayon, and other cellulosic fibers to achieve a bright red shade.
• Paper Coloring: Used in the production of colored papers, tissues, and paperboard where a stable red hue is required.
• Leather Finishing: Employed in the dyeing of leather goods, including footwear, apparel, and upholstery.
• Ink Formulation: A component in the manufacture of certain types of inks for specialty printing applications.
• Biological Staining: May be utilized as a histological stain in laboratory settings for microscopic analysis.

Basic Information

Product Name	C.I. Direct Red 230
CAS No.	12239-52-0
Molecular Formula	C35H25N7Na2O10S2
Molecular Weight	813.69 g/mol
Synonyms	Direct Red 230; C.I. 29160; Direct Fast Scarlet 4BS; Direct Scarlet 4BS; Pontamine Scarlet 4BS; Sirius Scarlet 4BS; Atul Direct Fast Scarlet 4BS; Benzo Scarlet 4BS
EINECS	Contact for details

Quality Control

Our C.I. Direct Red 230 is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure consistent strength, shade, and chemical purity. A Certificate of Analysis (COA) detailing key parameters such as dye content, solubility, and fastness properties is provided with each shipment to guarantee it meets your specific application 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.

Specification

Item	Specification
Appearance	Reddish-brown powder
Identification (IR)	Conforms to standard
Dye Content	≥ 95%
Moisture Content	≤ 5.0%
Water Insoluble Matter	≤ 1.0%
Shade	Conforms to standard
Solubility in Water	Conforms

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