Description

C.I. Basic Red 100 is a synthetic cationic dye belonging to the triarylmethane class, identified by CAS NO 71872-34-9. This vibrant red colorant is valued for its strong tinctorial strength and affinity for substrates with anionic surfaces, providing excellent color fastness in demanding applications. It is primarily utilized by manufacturers in the textile, paper, and specialty ink industries seeking reliable and consistent coloration for synthetic fibers and other materials.

Application

• Textile Dyeing: Primary application for dyeing acrylic, modacrylic, and other synthetic fibers, as well as for silk and wool.
• Paper Coloring: Used in the production of colored papers, tissues, and paperboard where a bright red hue is required.
• Ink Manufacturing: A key component in the formulation of specialty inks, including ballpoint pen inks and stamp pad inks.
• Biological Staining: Employed in histology and microbiology as a staining agent for microscopic analysis.
• Leather Finishing: Applied in the dyeing and finishing of leather goods to achieve consistent red colors.
• Plastics and Polymers: Used for mass coloration of certain plastics and polymers during manufacture.

Basic Information

Product Name	C.I. Basic Red 100
CAS No.	71872-34-9
Molecular Formula	C₂₅H₃₀ClN₃
Molecular Weight	407.98 g/mol
Synonyms	Basic Red 100; Astrazon Red GTL; Aizen Cathilon Red GTLH; Maxilon Red GRL; C.I. 11480; 1,3-Benzenedimethanaminium, N,N,N',N'-tetramethyl-4-[(4-methylphenyl)amino]-α-phenyl-, chloride; Victoria Pure Red B Base
EINECS	Contact for details

Quality Control

Our C.I. Basic Red 100 is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure it meets precise specifications for color strength, hue, and purity. A comprehensive Certificate of Analysis (COA) detailing parameters such as assay, solubility, and impurity profile is provided with each shipment to guarantee consistency and compliance with your 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 heat sources and incompatible materials. The product is light-sensitive and should be stored away from direct light exposure to maintain stability.

Specification

Item	Specification
Appearance	Dark red powder or granules
Identification (IR)	Conforms to standard
Assay (HPLC)	Min. 95%
Color Strength	100 ± 3% (vs. Standard)
Moisture Content	Max. 5.0%
Water Solubility	Conforms
Ash Content	Max. 1.0%

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