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305553

Sigma-Aldrich

Sodium hexametaphosphate

crystalline, +200 mesh, 96%

Synonym(s):

SHMP, Calgon, Phosphate glass, water soluble, Polyphosphate sodium salt, Sodium polyphosphate

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About This Item

CAS Number:
68915-31-1
EC Number:
272-808-3
MDL number:
MFCD00134118
UNSPSC Code:
12352302
PubChem Substance ID:
329753536
NACRES:
NA.22

Assay

96%

form

crystalline

particle size

+200 mesh

InChI

1S/2Na.H4O7P2/c;;1-8(2,3)7-9(4,5)6/h;;(H2,1,2,3)(H2,4,5,6)/q2*+1;/p-2

InChI key

GYQBBRRVRKFJRG-UHFFFAOYSA-L

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General description

Sodium hexametaphosphate is an inorganic polyphosphate salt commonly used as a corrosion inhibitor, emulsifying agent and as a tooth whitening agent in dentifrice formulations.

Sodium hexametaphosphate is a water-soluble inorganic stabilizing agent used as a surfactant to decrease the zeta potential of halloysite suspensions.

Application

Sodium hexametaphosphate has been used as a polyphosphate anion source to prepare hydrated calcium polyphosphate powder. It can be used as a deflocculant to prepare suspensions of kaolinite and ceramic grade kaolin.

Biochem/physiol Actions

Intended for the cytologic demonstration of Naphthol AS-D Chloroacetate Esterase in blood, bone marrow films or tissue touch preparations.

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Dispersion of phyllosilicates in aqueous suspensions: Role of the nature and amount of surfactant
Nadia H et al.
Journal of Colloid and Interface Science, 425, 67-74 (2014)
Amy M Kahler et al.
Water, 7(3), 1202-1216 (2015-11-05)
In this study, hollow-fiber ultrafiltration (UF) was assessed for recovery of
Amorphous calcium phosphate powder synthesized from calcium acetate and polyphosphoric acid for bioceramics application.
Safronova T V, et al.
Ceramics International, 43(1), 1310-1317 (2017)
Synthesis of BaSO4 nanoparticles by precipitation method using sodium hexa metaphosphate as a stabilizer
Asha G et al.
Solid State Communications, 150, 386-388 (2010)
Final report on the safety assessment of Sodium Metaphosphate, Sodium Trimetaphosphate, and Sodium Hexametaphosphate.
Lanigan R S.
International Journal of Toxicology, 20, 75-89 (2001)
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