Description

Sodium Metaphosphate CAS NO 10361-03-2 is a high-purity inorganic salt, a key member of the polyphosphate family. This versatile compound is valued for its exceptional sequestering, emulsifying, and water-softening properties, making it a critical processing aid across multiple industries. It is essential for manufacturers in the food, water treatment, and detergent sectors seeking reliable, consistent performance in their formulations.

Application

• Food Industry: Used as an emulsifier, texturizer, and moisture-retaining agent in processed meats, seafood, and dairy products.
• Water Treatment: Acts as a highly effective sequestrant and scale inhibitor in industrial water systems and boiler water treatment.
• Detergents & Cleaners: Functions as a builder to soften water, enhance cleaning efficiency, and prevent redeposition of dirt in laundry and dishwashing formulations.
• Industrial Processes: Serves as a dispersing agent in ceramic and pigment production, and as a corrosion inhibitor in metal treatment applications.
• Analytical Chemistry: Employed as a reagent in laboratory settings for specific analytical procedures.

Basic Information

Product Name	Sodium Metaphosphate
CAS No.	10361-03-2
Molecular Formula	(NaPO3)n
Molecular Weight	101.96 (monomeric unit)
Synonyms	Sodium Polyphosphate; Graham's Salt; Insoluble Sodium Metaphosphate; Sodium Hexametaphosphate (common commercial form); Calgon S; Glassy Sodium Phosphate; Sodium Tetrapolyphosphate; Kurrol's Salt
EINECS	233-782-9

Quality Control

Our Sodium Metaphosphate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure it meets the high standards required for food, industrial, and technical applications. Certificates of Analysis (COA) detailing purity, assay, and impurity profiles are available upon request to support your quality assurance protocols.

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 product is hygroscopic (moisture-sensitive); the container must be kept tightly sealed after opening to prevent caking and degradation due to atmospheric moisture.

Specification

Item	Specification
Appearance	White powder or granules
Identification (IR)	Conforms
Assay (as P2O5)	≥ 68.0 %
pH (1% solution)	5.8 - 7.0
Water Insoluble Matter	≤ 0.1 %
Heavy Metals (as Pb)	≤ 10 ppm
Arsenic (As)	≤ 3 ppm
Loss on Drying	≤ 0.5 %

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