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71515

Sigma-Aldrich

Sodium pyrophosphate tetrabasic decahydrate

BioUltra, ≥99.5% (T)

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Synonym(s):
Pyrophosphate inorganic, Sodium diphosphate tetrabasic, Tetrasodium pyrophosphate
Linear Formula:
Na4P2O7 · 10H2O
CAS Number:
Molecular Weight:
446.06
EC Number:
MDL number:
PubChem Substance ID:

product line

BioUltra

Quality Level

assay

≥99.5% (T)

form

crystals

impurities

insoluble matter, passes filter test

pH

9.5-11.0 (25 °C, 0.1 M in H2O)

solubility

H2O: 0.1 M at 20 °C, clear, colorless

anion traces

chloride (Cl-): ≤50 mg/kg
sulfate (SO42-): ≤50 mg/kg

cation traces

Al: ≤5 mg/kg
As: ≤0.1 mg/kg
Ba: ≤5 mg/kg
Bi: ≤5 mg/kg
Ca: ≤10 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
K: ≤50 mg/kg
Li: ≤5 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Mo: ≤5 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤5 mg/kg
Zn: ≤5 mg/kg

λ

0.1 M in H2O

UV absorption

λ: 260 nm Amax: 0.010
λ: 280 nm Amax: 0.010

SMILES string

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

InChI

1S/4Na.H4O7P2.10H2O/c;;;;1-8(2,3)7-9(4,5)6;;;;;;;;;;/h;;;;(H2,1,2,3)(H2,4,5,6);10*1H2/q4*+1;;;;;;;;;;;/p-4

InChI key

VZWGHDYJGOMEKT-UHFFFAOYSA-J

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1 of 4

This Item
S6422221368PHR2205
Sodium pyrophosphate tetrabasic decahydrate BioUltra, ≥99.5% (T)

71515

Sodium pyrophosphate tetrabasic decahydrate

Premium Grade
Sodium pyrophosphate tetrabasic decahydrate BioXtra, 99.0-103.0%

S6422

Sodium pyrophosphate tetrabasic decahydrate

Premium Grade
Sodium pyrophosphate decahydrate ACS reagent, ≥99%

221368

Sodium pyrophosphate decahydrate

Essential Grade
Quality Level

200

Quality Level

200

Quality Level

200

Quality Level

300

product line

BioUltra

product line

BioXtra

product line

-

product line

-

form

crystals

form

powder

form

crystals or chunks

form

-

pH

9.5-11.0 (25 °C, 0.1 M in H2O)

pH

9.5-10.5 (20 °C, 50 g/L)

pH

9.5-10.5 (25 °C, 5%)

pH

-

solubility

H2O: 0.1 M at 20 °C, clear, colorless

solubility

H2O: 0.5 M, clear, colorless

solubility

-

solubility

-

Other Notes

In assays involving ATP-pyrophosphate exchange - tryptophanyl-tRNA synthesis; Enzyme assay in which the product pyrophosphate is measured, addition of carrier pyrophosphate insures quantitative precipitation

pictograms

CorrosionExclamation mark

signalword

Danger

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1

Storage Class

13 - Non Combustible Solids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves


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J M Lewis et al.
Methods in enzymology, 51, 171-178 (1978-01-01)
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To evaluate the erosive potential of orange juice modified by food additives in enamel and dentine. Calcium lactate pentahydrate (CLP), xanthan gum (XG), sodium linear polyphosphate (LPP), sodium pyrophosphate tetrabasic (PP), sodium tripolyphosphate (STP) and some of their combinations were
Bruce L Riser et al.
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The high rate of cardiovascular mortality in patients with end-stage renal disease (ESRD) is a significant barrier to improved life expectancy. Unique in this population is the marked development and aggressive worsening of vascular calcification (VC). Pyrophosphate (PPi), an endogenous
Priyadip Das et al.
Chemical communications (Cambridge, England), 47(28), 8118-8120 (2011-06-21)
Newly synthesized Zn(II) and Cd(II)-based complexes show unique selectivity towards inorganic pyrophosphate (PPi) in 100% aqueous medium at pH = 7.4 and act as a "turn-on" and "turn-off" real-time assay, respectively, for the evaluation of the enzymatic activity of alkaline

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