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S6422

Sigma-Aldrich

Sodium pyrophosphate tetrabasic decahydrate

BioXtra, 99.0-103.0%

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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:
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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1 of 4

This Item
715152213681.06591
Sodium pyrophosphate tetrabasic decahydrate BioXtra, 99.0-103.0%

S6422

Sodium pyrophosphate tetrabasic decahydrate

Premium Grade
Sodium pyrophosphate tetrabasic decahydrate BioUltra, ≥99.5% (T)

71515

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

BioXtra

product line

BioUltra

product line

-

product line

EMSURE®

form

powder

form

crystals

form

crystals or chunks

form

solid

pH

9.5-10.5 (20 °C, 50 g/L)

pH

9.5-11.0 (25 °C, 0.1 M in H2O)

pH

9.5-10.5 (25 °C, 5%)

pH

9.5-10.5 (20 °C, 50 g/L in H2O)

solubility

H2O: 0.5 M, clear, colorless

solubility

H2O: 0.1 M at 20 °C, clear, colorless

solubility

-

solubility

-

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

signalword

Danger

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1

Storage Class

11 - 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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