Description

Sodium Tetraphosphate is an inorganic polyphosphate salt with the formula Na6P4O13. This versatile chemical serves as a highly effective sequestrant, dispersant, and water softener, making it a critical processing aid in numerous industrial applications. Key industries that rely on this compound include water treatment, detergent manufacturing, and textile processing.

Application

• Water Treatment: Acts as a scale and corrosion inhibitor in industrial cooling and boiler water systems.
• Detergent & Cleaning Formulations: Functions as a builder to sequester calcium and magnesium ions, enhancing cleaning efficiency.
• Textile Processing: Used as a dispersing agent and detergent in scouring and bleaching baths.
• Ceramic & Clay Processing: Serves as a deflocculant to control the viscosity of slips and slurries.
• Oil Field Applications: Employed as a scale inhibitor in drilling muds and production fluids.
• Food Processing (Technical Grade): Used in equipment cleaning and as a water-softening agent, where permitted.
• Paper Manufacturing: Helps in dispersing pigments and controlling pitch deposits.
• Metal Surface Treatment: Assists in cleaning and conditioning metal surfaces prior to finishing.

Basic Information

Product Name	Sodium Tetraphosphate
CAS No.	14986-84-6
Molecular Formula	Na6P4O13
Molecular Weight	469.86 g/mol
Synonyms	Tetrasodium Diphosphate; Sodium Polyphosphate (n~4); Graham's Salt (type); Sodium Tetrapolyphosphate; Tetrasodium Polyphosphate; Sodium Phosphate Glass (Tetramer); Sodium Phosphate (4:6); Na6P4O13
EINECS	239-072-1

Quality Control

Our Sodium Tetraphosphate is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise chemical and physical specifications. A Certificate of Analysis (COA) documenting purity, assay, and key impurity levels is provided with every shipment to guarantee traceability and compliance.

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). Due to its hygroscopic nature, the container must be kept tightly sealed after initial use to prevent moisture absorption and caking.

Specification

Item	Specification
Appearance	White powder or granules
Identification (IR)	Conforms
Assay (as Na6P4O13)	≥ 95.0%
pH (1% Solution)	7.0 - 9.0
Water Insoluble Matter	≤ 0.1%
Loss on Drying	≤ 2.0%
Heavy Metals (as Pb)	≤ 10 ppm
Iron (Fe)	≤ 20 ppm

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