72061

Sigma-Aldrich

Sodium triphosphate pentabasic

purum p.a., ≥98.0% (T)

Synonym(s):
Sodium tripolyphosphate pentabasic, Pentasodium tripolyphosphate
Linear Formula:
Na5P3O10
CAS Number:
Molecular Weight:
367.86
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.21

Quality Level

grade

purum p.a.

assay

≥98.0% (T)
57-59% (calc. based on P2O5)

form

powder

pH

9.0-10.0 (25 °C, 1% in H2O)

solubility

water: soluble 148 g/L at 20 °C

anion traces

chloride (Cl-): ≤1000 mg/kg
sulfate (SO42-): ≤250 mg/kg

cation traces

Ca: ≤200 mg/kg
Cd: ≤50 mg/kg
Co: ≤50 mg/kg
Cu: ≤50 mg/kg
Fe: ≤50 mg/kg
Ni: ≤50 mg/kg
Pb: ≤50 mg/kg
Zn: ≤50 mg/kg

SMILES string

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

InChI

1S/5Na.H5O10P3/c;;;;;1-11(2,3)9-13(7,8)10-12(4,5)6/h;;;;;(H,7,8)(H2,1,2,3)(H2,4,5,6)/q5*+1;/p-5

InChI key

HWGNBUXHKFFFIH-UHFFFAOYSA-I

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Application

for the determination of BSB acc. to DIN 38409-H 51

Other Notes

Straight chain phosphates

RIDADR

NONH for all modes of transport

WGK Germany

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis
Certificate of Origin
Edith Luginbuehl et al.
BMC microbiology, 11, 4-4 (2011-01-07)
Exopolyphosphatases and pyrophosphatases play important but still incompletely understood roles in energy metabolism, and also in other aspects of cell biology such as osmoregulation or signal transduction. Earlier work has suggested that a human exopolyphosphatase, Prune, might exhibit cyclic nucleotide...
Meenakshi Malhotra et al.
International journal of nanomedicine, 8, 2041-2052 (2013-06-01)
Recently, cell-penetrating peptides have been proposed to translocate antibodies, proteins, and other molecules in targeted drug delivery. The proposed study presents the synthesis and characterization of a peptide-based chitosan nanoparticle for small interfering RNA (siRNA) delivery, in-vitro. Specifically, the synthesis...
Akile Çelik et al.
International journal of biological macromolecules, 89, 406-414 (2016-05-08)
β-Glucosidase was covalently immobilized on chitosan-MWCNTs carrier and its aroma enhancement effect in different tea samples was investigated. Chitosan-MWCNTs carrier was prepared by mixing chitosan with MWCNTs (5:1w/w) and characterization of prepared composite carrier was done by FTIR, TGA and...
Helene Jonassen et al.
Biomacromolecules, 13(11), 3747-3756 (2012-10-11)
The physical stability of chitosan nanoparticles cross-linked with sodium tripolyphosphate (TPP) was investigated over a period of 1 month. Special emphasis was placed on changes in the particle size and the particle compactness, which are two important physicochemical parameters of...
Chih-Hui Yang et al.
Electrophoresis, 33(21), 3173-3180 (2012-09-06)
This study reports a facile method for the synthesis of hemispherical and discoidal chitosan microparticles by a combination of microfluidic technology and gelation strategy at an oil/water interface. Utilizing microfluidic emulsification in a cross-junction channel, the formation of regular droplets...

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