Description

Ferroin is a coordination complex widely recognized as a sensitive redox indicator in analytical chemistry. Its core value lies in providing a sharp, distinct color change from pale blue to deep red upon reduction, enabling precise endpoint detection in titrations. This product is essential for laboratories and industrial quality control units requiring accurate volumetric analysis. Professionals in chemical manufacturing, water treatment, and educational research rely on its consistent performance for reliable quantitative measurements.

Application

• Primary use as a redox indicator in cerimetric titrations, particularly for determining chemical oxygen demand (COD).
• Endpoint detection in the quantitative analysis of iron, cerium, and other redox-active species.
• Standard reagent in analytical chemistry kits and educational laboratory experiments.
• Component in spectrophotometric methods for trace metal analysis.
• Use in environmental testing procedures for wastewater and effluent analysis.
• Research applications in electrochemistry and reaction mechanism studies.

Basic Information

Product Name	Ferroin
CAS No.	14634-91-4
Molecular Formula	C36H24FeN62+ • 2X- (X = anion, typically Cl- or SO42-)
Molecular Weight	~692.52 g/mol (for Ferroin sulfate salt)
Synonyms	Ferroin Indicator; 1,10-Phenanthroline iron(II) sulfate complex; Ferrous o-phenanthroline sulfate; Tris(1,10-phenanthroline)iron(II) sulfate; Redox Indicator Ferroin; o-Phenanthroline ferrous complex; Phenanthroline Ferroin; Iron(II)-1,10-phenanthroline complex
EINECS	Contact for details

Quality Control

Our Ferroin is manufactured under a strict quality management system. Each batch is tested to ensure it meets precise specifications for indicator performance, including absorbance characteristics and transition potential. A comprehensive Certificate of Analysis (COA) is provided with every shipment, detailing purity, assay, and performance validation data to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). The product is light-sensitive and should be kept in its original amber container or equivalent light-resistant packaging to maintain stability and shelf life.

Specification

Item	Specification
Appearance	Red crystalline powder or solution
Identification (IR)	Conforms to structure
Assay (Titration)	≥ 98.0%
Transition Potential (E°)	+1.06 V to +1.14 V (vs. SHE)
Absorbance (λ max)	Conforms to standard
Solubility	Freely soluble in water
Loss on Drying	≤ 2.0 %

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