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30411

Sigma-Aldrich

Sodium pyrophosphate tetrabasic decahydrate

puriss. p.a., ≥99%

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:
12352302
PubChem Substance ID:
329753498
Assay:
≥99%
form:
solid

grade

puriss. p.a.

Assay

≥99%

form

solid

impurities

≤0.0005% heavy metals (as Pb)
≤0.001% total nitrogen (N)

anion traces

chloride (Cl-): ≤10 mg/kg
phosphate (PO43-): ≤1000 mg/kg
sulfate (SO42-): ≤50 mg/kg

cation traces

As: ≤1 mg/kg
Fe: ≤5 mg/kg
K: ≤50 mg/kg

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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Pictograms

CorrosionExclamation mark
GHS05,GHS07

Signal Word

Danger

Hazard Statements

H302,H318

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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