Description

Fast Red Violet Lb Base is a high-purity diazo component and a key intermediate in the synthesis of azo pigments and dyes. This compound is essential for producing vibrant, lightfast violet and red colorants with excellent application properties. It is primarily required by manufacturers in the pigments, inks, coatings, and plastics industries for coloring a wide range of materials.

Application

• Primary intermediate for the synthesis of azo pigments and dyes, particularly reds and violets.
• Manufacturing of high-performance pigments for automotive and industrial coatings.
• Production of colorants for printing inks, including packaging and publication inks.
• Coloration of plastics and synthetic fibers to achieve specific hue requirements.
• Used in the formulation of artist colors and specialty paints.
• Potential use as a chemical intermediate in research and fine chemical synthesis.

Basic Information

Product Name	Fast Red Violet Lb Base
CAS No.	121-22-2
Molecular Formula	C17H13N3O3
Molecular Weight	307.31 g/mol
Synonyms	5-[(4-Amino-3-methylphenyl)(4-imino-3-methyl-2,5-cyclohexadien-1-ylidene)methyl]-2-methylbenzenamine; C.I. 37175; Azoic Diazo Component 41; Fast Red Violet LB Base; Fast Red Violet LB Salt; Azoic Coupling Component 41; 4-Amino-2',3-dimethylazobenzene; 4-Amino-2,3'-dimethylazobenzene
EINECS	204-453-7

Quality Control

Our Fast Red Violet Lb Base is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise chemical and physical specifications for consistent performance in pigment synthesis. Certificates of Analysis (COA) documenting purity, identity, and other critical parameters are available upon request to support your quality assurance protocols.

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 incompatible materials. Due to its light-sensitive nature, prolonged exposure to direct light should be avoided to maintain product integrity.

Specification

Item	Specification
Appearance	Reddish-brown to violet powder or crystals
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Ash Content	≤ 0.5%

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