Description

Cresyl Fast Violet CAS NO 10430-47-4 is a synthetic organic dye belonging to the triarylmethane class, valued for its intense violet color and staining properties. It serves as a critical histological and biological stain, enabling clear visualization of cellular and tissue structures under a microscope. This product is essential for laboratories and manufacturers in the life sciences, diagnostics, and specialized chemical synthesis sectors.

Application

• Histological Staining: Used as a vital stain in microscopy for differentiating tissue components in biological samples.
• Bacteriological Staining: Employed in microbiology for staining bacterial smears to aid in identification.
• Cytological Studies: Applied in cell biology to stain and examine cellular structures and nuclei.
• Diagnostic Reagents: A key component in the formulation of specific diagnostic kits and staining solutions.
• Textile Dyeing: Used for dyeing silk, wool, and nylon fibers, providing a fast violet shade.
• Ink Manufacturing: Serves as a colorant in the production of specialized inks, including ballpoint pen inks.
• Paper Coloring: Utilized for tinting paper products where a violet hue is required.
• Chemical Intermediate: Acts as a precursor or intermediate in the synthesis of more complex dyes and pigments.

Basic Information

Product Name	Cresyl Fast Violet
CAS No.	10430-47-4
Molecular Formula	C23H26N3O4S
Molecular Weight	440.54 g/mol
Synonyms	Cresyl Violet; Cresyl Violet Acetate; Cresylecht Violet; C.I. 51010; Basic Violet 10; 9-Amino-5-imino-5H-benzo[a]phenoxazin-3-yl acetate; 5-Amino-9-(dimethylamino)-10-methylbenzo[a]phenoxazin-7-ylium acetate
EINECS	233-909-1

Quality Control

Our Cresyl Fast Violet is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including identity confirmation by IR spectroscopy and purity assessment by HPLC, to ensure it meets the high standards required for laboratory and industrial use. A Certificate of Analysis (COA) detailing all test results is provided with every shipment.

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. The product is light-sensitive and should be stored away from direct light exposure.

Specification

Item	Specification
Appearance	Dark green to violet powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Solubility	Soluble in water and ethanol
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition	≤ 0.5%

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