Description

Crystal Violet Nonahydrate is a triphenylmethane dye salt, widely recognized for its intense violet color and biological staining properties. This high-purity compound is essential for applications demanding precise colorimetric results and reliable performance. It is a critical reagent for microbiological laboratories, histology, and various industrial processes. Professionals in the life sciences, quality control, and manufacturing sectors rely on its consistent quality for accurate diagnostics and process indicators.

Application

• Microbiological Staining: Primary stain in the Gram staining procedure for bacterial classification.
• Histology and Cytology: Staining of tissue sections and cell preparations for microscopic examination.
• Viability Assays: Used to distinguish between live and dead cells in cell culture studies.
• Industrial Dyeing: Acts as a colorant for inks, textiles, and paper products.
• Chemical Indicator: Serves as a pH indicator and redox indicator in analytical chemistry.
• Veterinary and Clinical Diagnostics: Employed in various diagnostic kits and staining protocols.
• Research & Development: Utilized in biochemical research for tracking and visualization purposes.

Basic Information

Product Name	Crystal Violet Nonahydrate
CAS No.	60662-33-1
Molecular Formula	C25H30ClN3 · 9H2O
Molecular Weight	570.11 g/mol (Nonahydrate)
Synonyms	Gentian Violet; Methyl Violet 10B; Hexamethylpararosaniline Chloride; Basic Violet 3; Aniline Violet; C.I. 42555; Pyoktanin; Gonacrine
EINECS	200-368-4

Quality Control

Our Crystal Violet Nonahydrate is manufactured under a strict quality management system. Each batch is tested to ensure it meets high-purity standards suitable for laboratory and industrial use. Key parameters such as identity, assay, and impurity profiles are verified. A Certificate of Analysis (COA) detailing the specific results is provided with every shipment to guarantee traceability and compliance with your specifications.

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 stability.

Specification

Item	Specification
Appearance	Dark green powder or crystals with metallic luster
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 25.0% (accounts for nonahydrate water)
Solubility	Soluble in water and alcohol
Absorbance	Conforms (λ max ~590 nm in water)

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