Description

Fast Red Violet Lb Salt is a high-purity diazonium salt primarily used as a coupling component in the synthesis of azo dyes and pigments. This compound is valued for its ability to produce vivid violet and red shades with excellent fastness properties. It is essential for manufacturers in the textile, ink, and specialty coatings industries seeking consistent, high-quality colorants.

Application

• Azo Dye & Pigment Synthesis: A key intermediate for producing high-performance violet and red azo dyes and organic pigments.
• Textile Dyeing & Printing: Used in the formulation of dyes for coloring natural and synthetic fibers, including cotton and polyester blends.
• Ink Manufacturing: Imparts stable and intense coloration in various printing inks, including for packaging and publications.
• Specialty Coatings: Employed in the production of colored paints, lacquers, and industrial coatings requiring specific hue and durability.
• Biological Staining: Can be utilized in histology and cytology as a staining agent for microscopic analysis.
• Research & Development: Serves as a chemical reagent in organic synthesis and material science research for novel chromophore development.

Basic Information

Product Name	Fast Red Violet Lb Salt
CAS No.	32348-81-5
Molecular Formula	C14H14ClN3O4S
Molecular Weight	355.80 g/mol
Synonyms	Fast Red Violet LB Salt; 5-Chloro-2-methoxy-4-((4-sulfophenyl)azo)benzenediazonium Salt; Azoic Diazo Component 41; Fast Red Violet L Base; C.I. 37240; Diazo Fast Red Violet LB; Fast Red Violet LB Base
EINECS	Contact for details

Quality Control

Our Fast Red Violet Lb Salt is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. The product is tested against rigorous in-house specifications, which typically include identification, assay, and impurity profile analysis. A Certificate of Analysis (COA) detailing all quality parameters is provided with each shipment to guarantee compliance with your application requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and light-sensitive; therefore, containers must be kept tightly sealed and away from direct light exposure to maintain stability and performance.

Specification

Item	Specification
Appearance	Light brown to violet powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
Solubility	Soluble in water, slightly soluble in ethanol

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