Description

C.I. Basic Red 1:1 is a synthetic cationic dye belonging to the triarylmethane class, identified by CAS No. 12238-65-2. This product is valued for its intense and vibrant red coloration, offering excellent tinctorial strength and good solubility in aqueous systems. It is primarily required by manufacturers in the textile, paper, and specialty ink industries for dyeing and printing applications where a bright, basic red shade is essential.

Application

• Textile Dyeing: Used for dyeing acrylic fibers, modified nylons, and silk, providing good wash and light fastness.
• Paper Coloring: Employed in the production of colored papers, tissues, and specialty packaging materials.
• Ink Manufacturing: A key colorant for flexographic, gravure, and stamp pad inks, especially where water-based systems are preferred.
• Leather Finishing: Applied in the dyeing of leather goods to achieve uniform and bright red finishes.
• Biological Staining: Utilized in histology and microbiology as a staining agent for microscopic analysis.
• Specialty Coatings: Incorporated into coatings for wood, plastics, and other substrates requiring decorative red colors.

Basic Information

Product Name	C.I. Basic Red 1:1
CAS No.	12238-65-2
Molecular Formula	C₂₀H₂₀ClN₃
Molecular Weight	337.84 g/mol
Synonyms	Basic Red 1:1; Astrazon Red GTL; Aizen Cathilon Red GTLH; Maxilon Red GTL; C.I. 45160; 4-[(4-Aminophenyl)(4-imino-2,5-cyclohexadien-1-ylidene)methyl]-2-methylbenzenamine hydrochloride; 4,4'-Bis(dimethylamino)benzhydryl chloride
EINECS	Contact for details

Quality Control

Our production of C.I. Basic Red 1:1 adheres to stringent quality management protocols. Every batch is tested to ensure consistent color strength, purity, and performance characteristics. Certificates of Analysis (COA) documenting key parameters such as assay, shade, solubility, and impurity profile are available upon request 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 room temperature (15-25°C). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Dark red to reddish-brown powder
Identification (IR)	Conforms to standard
Assay (HPLC)	Min. 95%
Color Strength	100 ± 5%
Moisture Content	Max. 5.0%
Water Solubility	Completely soluble
Ash Content	Max. 1.0%

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