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Sodium metaphosphate CAS 10361-03-2

Sodium metaphosphate is a white powdered chemical used as a food additive, in cosmetics for its ability to stabilize and deodorize, and in industrial applications for its role as a dispersant and deflocculant. It functions as an emulsifier and texture enhancer in some foods and helps to prevent discoloration.
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  • 10361-03-2

  • bosschemical

  • 10361-03-2


Product name: Sodium metaphosphate

English alias: SODIUM HEXAMETAPHOSPHAT;polymericsodiummetaphosphate

CAS: 10361-03-2

Molecular formula: NaO3P

Appearance:White powder

Package: 25kg/drum

What is Sodium metaphosphate?

Sodium metaphosphate is a white powdered chemical used as a food additive, in cosmetics for its ability to stabilize and deodorize, and in industrial applications for its role as a dispersant and deflocculant. It functions as an emulsifier and texture enhancer in some foods and helps to prevent discoloration.

COA:

Test Item

Specification

Result

Test Method

Identification

Complies

Complies

IR Spectroscopy / FTIR

Appearance

White powder or crystals

White powder

Visual

Assay (as NaPO₃)

≥ 95.0 - 100.5%

98.7%

Titrimetric / Gravimetric

pH (1% Solution)

5.5 - 7.5 (or as specified)

6.2

USP <791> / Ph. Eur. 2.2.3

Water Insolubles

≤ 0.1%

0.05%

Gravimetric

Loss on Drying

≤ 1.0% (or as specified)

0.8%

USP <731>

Heavy Metals (as Pb)

≤ 10 ppm

< 5 ppm

USP <231> Method II / ICP

Arsenic (As)

≤ 3 ppm

< 1 ppm

USP <211> / AAS

Iron (Fe)

≤ 0.02%

0.01%

Photometric / ICP

Lead (Pb)

≤ 4 ppm

< 2 ppm

ICP-MS

Fluoride (F)

≤ 50 ppm

< 10 ppm

Ion Selective Electrode

Chloride (as Cl)

≤ 0.005%

0.003%

USP <221>

Sulfate (as SO₄)

≤ 0.03%

0.01%

USP <221>

Application:

1. Food industry (as food additives): Moisture retainer, quality improver, acidity regulator, chelating agent, emulsifying and dispersing agent

2. Highly efficient water softener and corrosion and scale inhibitor for industrial water treatment

3. Detergents and cleaning agents, auxiliaries, integrate metal ions and soften water quality

4. Highly efficient water reducer and dispersant for ceramics and building materials

5. Mineral flotation agents, dye dispersants, and drilling mud regulators in other industrial fields

Safety profile:

It is a non-toxic and safe ingredient that is good for the skin when used in small quantities. It is also non-sensitizing but can be mildly irritating for sensitive skin. A patch test is, therefore, recommended. It is also safe for the environment and may or may not be considered vegan - depending upon its source.

Dietary Safety:

Considered safe in normal food consumption levels for healthy individuals, though very high intake could cause mild digestive issues.

Storage requirements:

keep the product dry

relative humidity < 50%

protect product against influences of weather and contamination

Transport & Packaging:

Its technical application is the only one that offers packaging in different sizes. It can be packaged in various specifications: 25kg drums, 1000kg IBC drums.


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Chemical detection methods

  • Spectroscopic Analysis Methods

    Ultraviolet-Vis Spectrophotometry (UV-Vis)
    Infrared Spectroscopy (IR/FTIR)
    Atomic Absorption Spectroscopy (AAS)
    X-ray Fluorescence Spectroscopy (XRF)
    Nuclear Magnetic Resonance Spectroscopy (NMR)

  • Chromatographic Analysis

    Gas Chromatography (GC)
    High Performance Liquid Chromatography (HPLC)
    Ion Chromatography (IC)
    Thin Layer Chromatography (TLC)

  • Mass Spectrometry Analysis

    GC-MS / LC-MS/MS: Qualitative and Quantitative Analysis
    ICP-MS: Trace Metal Elements (ppb Level)
    TOF-MS: Precise Molecular Weight Determination

  • Electrochemical analysis methods
    Polypotentiometric methods
    Conductivity methods
    Polarographic methods / Voltammetric methods
    Coulometric analysis
  • Thermal Analysis Methods
    Thermogravimetric Analysis (TGA)
    Differential Scanning Calorimetry (DSC)
    Differential Thermal Analysis (DTA)
  • Classical wet chemical analysis
    Titration analysis
    Gravity analysis
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