Description

o-Chlorophenolindophenol is a specialized redox indicator dye, widely recognized for its distinct color change properties in analytical chemistry. Its primary value lies in its application as a sensitive and reliable indicator for titrimetric and spectrophotometric analyses, particularly in biochemical assays. This compound is essential for research laboratories, quality control facilities, and industrial chemical analysis processes where precise endpoint detection is critical.

Application

• Redox Titration Indicator: Used as a visual endpoint indicator in titrations involving ascorbic acid (Vitamin C) and other reducing agents.
• Biochemical Assays: Employed in enzymatic assays and metabolic studies to monitor electron transfer and redox potential changes.
• Analytical Reagent: Serves as a key component in standardized test kits for the quantitative determination of reducing substances.
• Research & Development: Utilized in academic and industrial R&D for studying oxidation-reduction reactions and developing new analytical methods.
• Quality Control (QC): Applied in pharmaceutical and food industry QC labs for potency testing and purity verification of raw materials and finished products.
• Dye & Staining: Functions as a biological stain in certain microscopy applications for visualizing cellular components based on redox state.

Basic Information

Item	Detail
Product Name	o-Chlorophenolindophenol
CAS No.	2582-41-4
Molecular Formula	C12H7ClNO2
Molecular Weight	232.64 g/mol
Synonyms	2,6-Dichloroindophenol Sodium Salt; 2,6-Dichlorophenolindophenol; DCIP; Dichlorophenolindophenol; Tillmans' Reagent; Sodium 2,6-Dichloroindophenol; o-Chlorophenol Indophenol; Vitamin C Indicator
EINECS	219-961-7

Quality Control

Our o-Chlorophenolindophenol is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including identification, purity assay, and impurity profiling, to ensure it meets the high standards required for analytical and research applications. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with specified parameters.

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). This product is hygroscopic (moisture-sensitive) and light-sensitive; therefore, containers must be kept tightly sealed when not in use to prevent degradation from atmospheric moisture and light exposure.

Specification

Item	Specification
Appearance	Dark green to blue-black crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Solubility	Soluble in water and ethanol

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