Description

Diphosphoric Acid, Strontium Salt is an inorganic salt of strontium and diphosphoric acid (pyrophosphoric acid). This compound is valued for its role as a specialized source of strontium and pyrophosphate ions in advanced material synthesis and industrial processes. It is primarily utilized by manufacturers and R&D laboratories in the electronics, ceramic, and specialty chemical sectors seeking precise inorganic precursors.

Application

• Electroluminescent Materials: Acts as a strontium source in the production of phosphors and luminescent materials for displays and lighting.
• Ceramic & Glass Manufacturing: Used as a fluxing agent and additive to modify thermal and optical properties in specialty glasses and advanced ceramics.
• Catalyst & Catalyst Support: Serves as a precursor or component in catalyst formulations for specific organic synthesis and petrochemical processes.
• Pyrotechnics & Signal Flares: Employed as a colorant and oxidizer component to produce red flames in pyrotechnic compositions.
• Dental & Biomedical Materials: Investigated for use in bioactive glass and cement formulations for bone repair and dental applications.
• Corrosion Inhibition: Functions as a corrosion inhibitor in specific aqueous systems and coating formulations.
• Analytical Chemistry: Used as a standard or reagent in analytical procedures for phosphate and strontium determination.
• Fire Retardant Additive: Incorporated into polymer composites to enhance flame retardancy.

Basic Information

Product Name	Diphosphoric Acid, Strontium Salt
CAS No.	19262-95-4
Molecular Formula	Sr2P2O7
Molecular Weight	349.70 g/mol
Synonyms	Strontium Pyrophosphate; Distrontium Diphosphate; Strontium Diphosphate; Pyrophosphoric Acid, Strontium Salt; Sr2P2O7; Strontium(II) Pyrophosphate; Strontium Pyrophosphate (1:2)
EINECS	242-918-5

Quality Control

Our Diphosphoric Acid, Strontium Salt is produced under a stringent quality management system. Each batch undergoes comprehensive analytical testing to ensure high purity and consistent composition, meeting the precise requirements of advanced industrial applications. A detailed Certificate of Analysis (COA) documenting purity, assay, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); keep the container tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms
Assay (Sr2P2O7)	≥ 98.0 %
Loss on Drying	≤ 2.0 %
Chloride (Cl)	≤ 0.01 %
Sulfate (SO4)	≤ 0.02 %
Heavy Metals (as Pb)	≤ 10 ppm
Iron (Fe)	≤ 50 ppm

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