Description

Diphosphoric Acid, Zinc Salt is an inorganic zinc salt of pyrophosphoric acid, recognized by the CAS registry number 19262-92-1. This compound serves as a critical source of bioavailable zinc and phosphate ions, valued for its stability and functional properties in various industrial formulations. It is essential for manufacturers in the nutritional supplement, ceramic, polymer stabilization, and metal surface treatment sectors seeking a reliable and consistent raw material.

Application

• Nutritional & Pharmaceutical Additive: Used as a zinc fortifier in dietary supplements and functional foods.
• Ceramic & Glass Production: Acts as a fluxing agent and stabilizer to modify melting points and improve product durability.
• Polymer Industry: Functions as a stabilizer and corrosion inhibitor in PVC and other polymer systems.
• Metal Surface Treatment: Employed in conversion coatings and phosphating processes for corrosion resistance.
• Catalyst & Chemical Synthesis: Serves as a catalyst or precursor in specific organic and inorganic synthesis reactions.
• Flame Retardant Synergist: Used in combination with other compounds to enhance flame-retardant properties in materials.

Basic Information

Product Name	Diphosphoric Acid, Zinc Salt
CAS No.	19262-92-1
Molecular Formula	Zn₂P₂O₇
Molecular Weight	304.72 g/mol
Synonyms	Zinc Pyrophosphate; Dizinc Diphosphate; Zinc Diphosphate; Pyrophosphoric Acid, Zinc Salt (1:2); Zn₂P₂O₇; Zinc Pyrophosphate White; Zinc Phosphopyrophosphate; UNII-9M4W80V91W
EINECS	242-918-6

Quality Control

Our Diphosphoric Acid, Zinc Salt is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets precise chemical and physical specifications. A Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee traceability and compliance with your requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and 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 powder
Identification (IR)	Conforms
Assay (Zn₂P₂O₇)	≥ 98.0 %
Zinc (Zn) Content	42.0 - 43.5 %
Loss on Drying	≤ 1.0 %
Heavy Metals (as Pb)	≤ 20 ppm
Arsenic (As)	≤ 3 ppm
Particle Size (Passing 200 mesh)	≥ 95 %

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