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Merck
CN

305553

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
UNSPSC Code:
12352302
PubChem Substance ID:
329753536
EC Number:
272-808-3
NACRES:
NA.22
MDL number:
MFCD00134118
Assay:
96%
Form:
crystalline

Key Documents

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Product Name

Sodium hexametaphosphate, crystalline, +200 mesh, 96%

SMILES string

[Na+].[Na+].[P](=O)([O-])([O-])O[P](=O)(O)O

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

assay

96%

form

crystalline

particle size

+200 mesh

Quality Level

200

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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.

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.

Storage Class

13 - Non Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Certificates of Analysis (COA)

Lot/Batch Number
MKCZ6203
MKCV5932
MKCW7625
MKCV5931
MKCV7985

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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
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)
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)
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)
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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