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S6422

Sigma-Aldrich

Sodium pyrophosphate tetrabasic decahydrate

BioXtra, 99.0-103.0%

Synonym(s):

Pyrophosphate inorganic, Sodium diphosphate tetrabasic, Tetrasodium pyrophosphate

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About This Item

Linear Formula:
Na4P2O7 · 10H2O
CAS Number:
Molecular Weight:
446.06
EC Number:
MDL number:
UNSPSC Code:
12161700
PubChem Substance ID:
NACRES:
NA.25

product line

BioXtra

Quality Level

Assay

99.0-103.0%

form

powder

impurities

≤0.01% Insoluble matter

pH

9.5-10.5 (20 °C, 50 g/L)

solubility

H2O: 0.5 M, clear, colorless

anion traces

chloride (Cl-): ≤0.002%
sulfate (SO42-): ≤0.005%

cation traces

Al: ≤0.0005%
Ca: ≤0.0005%
Cu: ≤0.0005%
Fe: ≤0.0005%
K: ≤0.005%
Mg: ≤0.0005%
NH4+: ≤0.05%
Pb: ≤0.001%
Zn: ≤0.0005%

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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General description

Sodium pyrophosphate tetrabasic decahydrate functions as a sequestering, clarifying, buffering agent and water softener. It is used as an emulsifier, pH buffer and dough conditioner. Sodium pyrophosphate tetrabasic acts as a thickening agent in puddings and tartar control agent in toothpaste.

Application

Sodium pyrophosphate tetrabasic decahydrate has been used:
  • for pyrophosphate hydrolysis and quantification
  • as a component of extraction buffer to homogenize liver
  • as a component of cell lysis buffer for western blotting

Pictograms

CorrosionExclamation mark

Signal Word

Danger

Hazard Statements

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1

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

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A Consumerys Dictionary of Household, Yard and Office Chemicals: Complete Information About Harmful and Desirable Chemicals Found in Everyday Home Products, Yard Poisons, and Office Polluters (2007)
Defective lysosomal clearance of autophagosomes and its clinical implications in nonalcoholic steatohepatitis
Wang X, et al.
Faseb Journal, 32(1), 37-51 (2017)
Why There's Antifreeze in Your Toothpaste: The Chemistry of Household Ingredients (2007)
Hydrolysis of Extracellular Pyrophosphate increases in post-hemodialysis plasma
Azpiazu D, et al.
Scientific reports, 8 (2018)

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