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14706 Sodium hexametaphosphate, tech.

CAS Number
10124-56-8
Synonyms
Sodium metaphosphate

Sodium hexametaphosphate, tech.

MDL
MFCD00136045
EINECS
233-343-1

Chemical Properties

Formula
Na6O18P6
Formula Weight
611.77
Form
Granular
Melting point
628°
Boiling Point
1500°
Refractive Index
1.482
Storage & Sensitivity
Ambient temperatures.
Solubility
Soluble in water. Insoluble in organic solvents

Applications

Sodium hexametaphosphate is a food additive used in dairy product, canned milk, packaged egg whites, ice cream, seafood and meat processing. It is also used as a sequestrant and water softening agent and detergents. It is an active ingredient in toothpastes as an anti-staining agent. It prevents the steel corrosion. Further, it is used in building, water treatment and in photographic developing. In addition, it is used as a retarder in dental alginate impression materials and as a thinner for petroleum drilling fluids.

Notes

Incompatible with oxidizing agents.

Literature References

Feng, X.; Zhang, Y.; Wang, G.; Miao, M.; Shi, L. Dual-surface modification of calcium sulfate whisker with sodium hexametaphosphate/silica and use as new water-resistant reinforcing fillers in papermaking. Powder Technol. 2015, 271, 1-6.

Anema, S. G. The effect of hexametaphosphate addition during milk powder manufacture on the properties of reconstituted skim milk. Int. Dairy J. 2015, 50, 58-65.

Hazard Statements:

Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Precautionary Statements:

Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves and eye/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Other References

Harmonized Tariff Code
2835.39
TSCA
Yes
RTECS
OY3675000

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