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Sigma-Aldrich

Sodium hexametaphosphate

65-70% P2O5 basis

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:
329763360
NACRES:
NA.22

form

solid

concentration

65-70% P2O5

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.

Application

Sodium hexametaphosphate has been used as a deflocculant to prepare clay suspensions.

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

11 - 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)

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Structure and properties of binder gels formed in the system Mg (OH) 2?SiO 2?H 2 O for immobilisation of Magnox sludge.
Walling S A, et al.
Dalton Transactions, 44(17), 8126-8137 (2015)
Akiko Tanaka et al.
Biological & pharmaceutical bulletin, 40(2), 212-219 (2017-02-06)
The effect of changes in the mucosal fluid volume on the nasal drug absorption of powder formulations was evaluated using warfarin (WF), piroxicam (PXC), and norfloxacin (NFX) as model drugs. Lactose and sodium chloride (NaCl), which are water soluble and
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)
Extrinsic stain removal with a sodium hexametaphosphate-containing dentifrice: comparisons to marketed controls.
Gerlach R, et al.
The Journal of Clinical Dentistry, 13(1), 10-14 (2002)
The role of sodium hexametaphosphate in the dissolution process of kaolinite and kaolin.
Andreola F, et al.
J. Eur. Ceram. Soc., 24(7), 2113-2124 (2004)
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