Description

Indophenol Sodium Salt is a versatile organic sodium salt widely used as a key chromogenic reagent in analytical chemistry. Its primary value lies in its ability to form distinct, measurable colored complexes, making it indispensable for quantitative biochemical assays. This compound is essential for research and quality control laboratories in the pharmaceutical, food, and environmental sectors, particularly for enzymatic analysis and diagnostic applications.

Application

• Enzymatic Assay Reagent: Primarily used in the quantitative determination of phenol and related compounds via enzymatic reactions, such as with tyrosinase or peroxidase.
• Clinical Diagnostics: Serves as a chromogenic substrate in test kits for measuring specific enzyme activities in biological samples.
• Food Safety Testing: Employed in analytical methods to detect phenolic contaminants or monitor enzymatic browning in food products.
• Environmental Analysis: Used in colorimetric tests for the detection and quantification of phenols in water and industrial effluent samples.
• Biochemical Research: Acts as an indicator in studies of oxidation-reduction processes and electron transfer chains.
• Industrial Process Control: Applied in monitoring phenolic compound levels during chemical manufacturing and wastewater treatment.

Basic Information

Product Name	Indophenol Sodium Salt
CAS No.	5418-32-6
Molecular Formula	C12H8NNaO2
Molecular Weight	221.19 g/mol
Synonyms	4-(N-(4-Hydroxyphenyl)imino)-2,5-cyclohexadien-1-one Sodium Salt; Sodium Indophenolate; N-(4-Hydroxyphenyl)-1,4-benzoquinone monoimine Sodium Salt; BQC Sodium Salt; 1,4-Benzoquinone mono(4-hydroxyphenyl)imine Sodium Salt; Indophenol, Sodium Derivative; Phenol Indophenol, Sodium Salt
EINECS	226-546-5

Quality Control

Our Indophenol Sodium Salt is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including identification, purity assay, and impurity profiling, to ensure it meets the high standards required for sensitive analytical 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 place at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and light-sensitive; therefore, containers must be kept tightly sealed and away from direct light exposure to maintain stability and prevent degradation.

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%
Solubility	Soluble in water, ethanol
Heavy Metals	≤ 20 ppm

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