Description

Thiazine Red is a synthetic organic dye belonging to the thiazine chemical class, recognized for its distinctive color properties and utility in specialized staining applications. This compound is valued for its consistent performance and high purity, which are critical for precise analytical and diagnostic results. It serves as an essential reagent for researchers and quality control professionals in the life sciences, histology, and industrial dye sectors who require reliable and well-characterized chemical standards.

Application

• Histological Staining: Used as a biological stain for microscopic examination of tissue samples, often in combination with other dyes to enhance contrast and detail.
• Cytological Analysis: Employed in laboratory settings for staining cellular components to facilitate identification and study under a microscope.
• Textile Dyeing: Functions as a colorant for specialized textile applications, particularly where specific shade and fastness properties are required.
• Ink Formulation: Incorporated into the manufacturing of inks for technical pens, markers, or other applications requiring a stable red dye.
• Research & Development: Serves as a chemical intermediate or reference standard in synthetic organic chemistry and materials science research.
• Quality Control Reagent: Acts as a standard or indicator in analytical chemistry methods within industrial and pharmaceutical laboratories.

Basic Information

Product Name	Thiazine Red
CAS No.	2150-33-6
Molecular Formula	C18H15N3O3S2
Molecular Weight	385.46 g/mol
Synonyms	Basic Red 5; C.I. 50040; Safranine O; Gossypimine; Cotton Red; Phenosafranine; 3,7-Diamino-5-phenylphenazinium chloride; Aposafranine
EINECS	218-434-6

Quality Control

Our Thiazine Red is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including identity confirmation by IR spectroscopy and purity determination by HPLC, to ensure it meets stringent specifications for critical applications. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and compliance with your quality requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from incompatible materials and sources of ignition.

Specification

Item	Specification
Appearance	Dark green to reddish-brown powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 1.0%
Heavy Metals (as Pb)	≤ 20 ppm

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