Description

Leucocrystal Violet CAS NO 603-48-5 is a triphenylmethane derivative that serves as a key colorless precursor in analytical and industrial chemistry. Its primary value lies in its ability to be oxidized to form the intensely colored dye, Crystal Violet, making it an essential reagent for detection and visualization. This compound is critically needed by manufacturers and laboratories in the chemical, forensic, and research sectors for applications ranging from analytical testing to specialized synthesis.

Application

• Forensic Reagent: Used as a presumptive test for blood (Kastle-Meyer test) and latent bloodstain enhancement.
• Analytical Chemistry: Acts as a chromogenic substrate and redox indicator in various titrimetric and spectrophotometric analyses.
• Dye & Pigment Intermediate: A crucial precursor in the synthesis of Crystal Violet and related triarylmethane dyes.
• Biological Staining: Employed in histological and microbiological staining procedures after oxidation.
• Photographic Industry: Used in the formulation of certain light-sensitive materials and color developers.
• Research & Development: Serves as a model compound in oxidation-reduction reaction studies and photochemistry research.

Basic Information

Product Name	Leucocrystal Violet
CAS No.	603-48-5
Molecular Formula	C25H31N3
Molecular Weight	373.54 g/mol
Synonyms	Leuco Crystal Violet; 4,4',4''-Methylidynetris(N,N-dimethylaniline); Tris(4-(dimethylamino)phenyl)methane; LCV; Colorless Crystal Violet; Pararosaniline leuco base; Basic Violet 3 leuco base; CI 42555 leuco base
EINECS	210-040-0

Quality Control

Our Leucocrystal Violet is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation (IR), to ensure it meets exacting standards for critical applications. Certificates of Analysis (COA) documenting all test results are provided and available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). Due to its sensitivity to oxidation, it is recommended to store the product under an inert atmosphere for long-term stability. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to pale yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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