Description

Phosphonic Acid, (2-(Phosphonooxy)Ethyl)-, Manganese(2+) Salt (1:2), Tetrahydrate is a specialized organophosphorus manganese complex. This compound is valued for its dual functionality, providing a source of bioavailable manganese alongside phosphonate-based performance characteristics. It is primarily sought by industrial and agricultural sectors for applications requiring metal ion stabilization and nutrient delivery. The product is supplied with the CAS number 71799-97-8.

Application

• As a micronutrient source and stabilizer in agricultural formulations, including liquid fertilizers and foliar sprays.
• Acting as a corrosion inhibitor and scale control agent in industrial water treatment systems, particularly where manganese is beneficial.
• Utilized in the formulation of specialty metal surface treatment and conversion coatings.
• Employed as a catalyst component or precursor in specific organic synthesis and polymerization processes.
• Serving as a stabilizing agent for peroxides and other oxidizers in chemical manufacturing.
• Potential use in animal feed premixes as a source of essential manganese, subject to appropriate regulatory approvals.

Basic Information

Item	Details
Product Name	Phosphonic Acid, (2-(Phosphonooxy)Ethyl)-, Manganese(2+) Salt (1:2), Tetrahydrate
CAS No.	71799-97-8
Molecular Formula	C2H16Mn2O14P2
Molecular Weight	467.99 g/mol (anhydrous basis)
Synonyms	Manganese(2+) bis(2-phosphonooxyethyl)phosphonate tetrahydrate; Manganese HEDP complex; Manganese etidronate tetrahydrate; Manganese 1-hydroxyethane-1,1-diphosphonate; Mn-HEDP; (1-Hydroxyethylidene)bisphosphonic acid manganese salt; Manganese phosphonate complex; Manganese(II) (1-hydroxyethylidene)diphosphonate tetrahydrate
EINECS	Contact for details

Quality Control

Our production of Phosphonic Acid, (2-(Phosphonooxy)Ethyl)-, Manganese(2+) Salt (1:2), Tetrahydrate adheres to a stringent quality management system. Every batch is analyzed to confirm identity, purity, and compliance with agreed specifications. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and physical parameters is provided with each shipment to ensure traceability and quality assurance for our global B2B clients.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area. Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed immediately after use to minimize exposure to atmospheric humidity. Recommended storage temperature is between 15°C and 25°C.

Specification

Item	Specification
Appearance	Pale pink to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (Mn Content)	≥ 23.5 % (w/w)
Purity (HPLC)	≥ 98.0 %
Loss on Drying	≤ 15.0 %
Heavy Metals (as Pb)	≤ 20 ppm
Water Solubility	Freely soluble
pH (5% solution)	3.0 - 5.0

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