Description

Sodium Trimetaphosphate is a high-purity, cyclic phosphate compound widely utilized as a versatile processing agent and sequestrant. Its primary value lies in its ability to modify protein and starch functionality, improving texture and stability in various industrial formulations. This makes it an essential ingredient for manufacturers in the food processing, detergent, and water treatment industries seeking consistent performance and reliable supply.

Application

• Food Processing: Used as a texturizer, moisture-retention agent, and sequestrant in processed meats, seafood, and poultry to improve yield and stability.
• Starch Modification: Acts as a cross-linking agent for starch, enhancing its heat, shear, and acid tolerance for use in sauces, soups, and bakery products.
• Detergent & Cleaning Formulations: Functions as a builder and sequestering agent to inactivate water hardness minerals, improving surfactant efficiency.
• Water Treatment: Employed as a corrosion and scale inhibitor in industrial water systems and cooling towers.
• Industrial Processes: Serves as a dispersing agent and peptizer in ceramic, pigment, and drilling fluid applications.
• Laboratory & Research: Used as a reagent and standard in analytical chemistry and biochemical research.

Basic Information

Product Name	Sodium Trimetaphosphate
CAS No.	7785-84-4
Molecular Formula	Na3P3O9
Molecular Weight	305.88 g/mol
Synonyms	Sodium Metaphosphate (cyclic); STMP; Trimetaphosphoric Acid Trisodium Salt; Sodium Cyclotriphosphate; Trisodium Trimetaphosphate; Sodium Ring Trimetaphosphate; INS 451(iii); E 451(iii)
EINECS	232-088-3

Quality Control

Our Sodium Trimetaphosphate is manufactured under a stringent quality management system. Production adheres to relevant food-grade specifications, including FCC (Food Chemicals Codex) guidelines where applicable. Every batch is analytically verified to ensure consistent purity and performance. Certificates of Analysis (COA) documenting key parameters 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) and must be kept in original packaging or a suitable moisture-proof container to prevent caking and degradation.

Specification

Item	Specification
Appearance	White crystalline powder or granules
Identification (IR)	Conforms
Assay (as Na3P3O9)	≥ 95.0%
pH (1% Solution)	6.0 - 8.0
Water Insoluble Matter	≤ 0.1%
Loss on Drying	≤ 1.0%
Heavy Metals (as Pb)	≤ 10 ppm
Arsenic (As)	≤ 3 ppm

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