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Merck

221368

Sodium pyrophosphate decahydrate

ACS reagent, ≥99%

Synonym(s):

Sodium pyrophosphate tetrabasic decahydrate, Tetrasodium pyrophosphate

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About This Item

Linear Formula:
Na4P2O7 · 10H2O
CAS Number:
13472-36-1
Molecular Weight:
446.06
NACRES:
NB.24
PubChem Substance ID:
329752262
UNSPSC Code:
12352302
EC Number:
231-767-1
MDL number:
MFCD00149200
Assay:
≥99%
Grade:
ACS reagent
Form:
crystals or chunks

Key Documents

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Product Name

Sodium pyrophosphate decahydrate, ACS reagent, ≥99%

InChI key

VZWGHDYJGOMEKT-UHFFFAOYSA-J

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

SMILES string

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

grade

ACS reagent

assay

≥99%

form

crystals or chunks

impurities

≤0.001% N compounds
≤0.01% insolubles

pH

9.5-10.5 (25 °C, 5%)

anion traces

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

cation traces

Fe: ≤0.001%
heavy metals: ≤0.001% (by ICP)

Quality Level

200

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Application

Sodium pyrophosphate decahydrate may be used to catalyze the nucleation of sodium acetate trihydrate, a potential latent heat storage material.

pictograms

CorrosionExclamation mark
GHS05,GHS07

signalword

Danger

hcodes

H302,H318

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1

Storage Class

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
MKDB0324
MKCZ9991
MKCX7419
MKCX1230
MKCW6060

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Virus-induced Gene Silencing (VIGS) in Barley Seedling Leaves.
Gunupuru LR, et al.
Bio-protocol, 5(12) (2015)
Analysis of Protein Stability by the Cycloheximide Chase Assay.
Yang PC.
Bio-protocol, 5(1) (2015)
The crystal structure of sodium pyrophosphate decahydrate, Na4P2O7. 10H2O.
MacArthur DM and Beevers CA.
Acta Crystallographica, 10(6), 428-432 (1957)
Veronica Martinez-Rios et al.
Food microbiology, 84, 103255-103255 (2019-08-20)
The aim of this study was to develop and validate a growth and growth boundary model with terms for melting salts to predict growth of Listeria monocytogenes in spreadable processed cheese. Cardinal parameter terms for phosphate salts and citric acid
Studies on salt hydrate for latent heat storage. I. Crystal nucleation of sodium acetate trihydrate catalyzed by tetrasodium pyrophosphate decahydrate.
Wada T and Yamamoto R.
Bulletin of the Chemical Society of Japan, 55(11), 3603-3606 (1982)
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