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71515

Sigma-Aldrich

Sodium pyrophosphate tetrabasic decahydrate

BioUltra, ≥99.5% (T)

Synonym(s):

Pyrophosphate inorganic, Sodium diphosphate tetrabasic, Tetrasodium pyrophosphate

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About This Item

Linear Formula:
Na4P2O7 · 10H2O
CAS Number:
13472-36-1
Molecular Weight:
446.06
EC Number:
231-767-1
MDL number:
MFCD00149200
UNSPSC Code:
12161700
PubChem Substance ID:
57652314
NACRES:
NA.21

product line

BioUltra

Quality Level

200

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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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
GHS05,GHS07

signalword

Danger

hcodes

H302,H318

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

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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Tryptophanyl-tRNA synthetase from beef pancreas.
L L Kisselev et al.
Methods in enzymology, 59, 234-257 (1979-01-01)
Amidophosphoribosyltransferase (chicken liver).
J M Lewis et al.
Methods in enzymology, 51, 171-178 (1978-01-01)
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
Nadia Marino et al.
Inorganic chemistry, 50(1), 378-389 (2010-12-01)
The reaction in water of Cu(NO(3))(2)·2.5H(2)O with 2,2'-bipyridine (bipy), 1,10-phenanthroline (phen), or 1,10-phenanthroline-5-amine (phenam), and sodium pyrophosphate (Na(4)P(2)O(7)), at various pHs, afforded three new copper(II)-pyrophosphate complexes, namely, {[Cu(bipy)(cis-H(2)P(2)O(7))](2)}·3H(2)O (1a), {[Cu(phen)(H(2)O)](4)(HP(2)O(7))(2)}(ClO(4))(2)·4H(2)O (2), and {[Cu(2)(phenam)(2)(P(2)O(7))](2)·25H(2)O}(n) (3). A solvent free crystalline phase of
Bruce L Riser et al.
Nephrology, dialysis, transplantation : official publication of the European Dialysis and Transplant Association - European Renal Association, 26(10), 3349-3357 (2011-03-15)
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
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