Description

Methyl Purple CAS NO 50354-32-0 is a synthetic triphenylmethane dye widely recognized for its distinct colorimetric properties. This compound serves as a critical indicator and staining agent in various analytical and industrial processes, where precise color change is essential for detection and measurement. It is primarily utilized by professionals in the life sciences, chemical manufacturing, and quality control laboratories for applications ranging from biological staining to endpoint determination in titrations.

Application

• Biological Staining Agent: Used in microscopy for staining tissues and cells to enhance contrast and visibility under a microscope.
• pH and Redox Indicator: Employed in analytical chemistry titrations to signal a change in pH or oxidation-reduction potential with a clear visual color shift.
• Laboratory Reagent: Serves as a key component in prepared test kits and solutions for educational, research, and diagnostic purposes.
• Industrial Dye Marker: Applied in non-critical coloring applications for identification purposes in certain industrial processes.
• Quality Control Testing: Utilized in standardized test methods within pharmaceutical and chemical manufacturing to assess purity and reaction completion.

Basic Information

Product Name	Methyl Purple
CAS No.	50354-32-0
Molecular Formula	C37H42N3O6S2+ • X-
Molecular Weight	Contact for details
Synonyms	Methyl Purple 6B; Heliotrope B; C.I. 42535; Basic Violet 1; Methyl Violet 6B; Methylrosanilinium Chloride (related compound); Aniline Violet; Paris Violet; Gentian Violet (related compound)
EINECS	Contact for details

Quality Control

Our Methyl Purple is produced and tested under a rigorous quality management system to ensure batch-to-batch consistency and performance reliability. Each lot is analyzed for critical parameters including identity, purity, and dye content to meet the specifications required for indicator and staining applications. A Certificate of Analysis (COA) detailing these results is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed when not in use to prevent absorption of atmospheric moisture, which can affect performance.

Specification

Item	Specification
Appearance	Dark green powder or crystals with metallic luster
Identification (IR)	Conforms to structure
Assay (Dye Content)	≥ 85%
Loss on Drying	≤ 5.0 %
Solubility	Soluble in water and ethanol
Color Change Interval (pH)	Approx. 0.1 - 3.2 (Yellow to Purple)

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