Skip to Content
Merck
All Photos(5)

Key Documents

View All Documentation

221368

Sigma-Aldrich

Sodium pyrophosphate decahydrate

ACS reagent, ≥99%

Synonym(s):

Sodium pyrophosphate tetrabasic decahydrate, Tetrasodium pyrophosphate

Sign Into View Organizational & Contract Pricing
All Photos(5)

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:
329752262
NACRES:
NB.24

grade

ACS reagent

Quality Level

200

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 (as Pb): ≤0.001%

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

Looking for similar products? Visit Product Comparison Guide

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

Signal Word

Danger

Hazard Statements

H302,H318

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

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’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Customers Also Viewed

Slide 1 of 1

1 of 1

Sodium fluoride BioXtra, ≥99%

Sigma-Aldrich

S7920

Sodium fluoride

Virus-induced Gene Silencing (VIGS) in Barley Seedling Leaves.
Gunupuru LR, et al.
Bio-protocol, 5(12) (2015)
The crystal structure of sodium pyrophosphate decahydrate, Na4P2O7. 10H2O.
MacArthur DM and Beevers CA.
Acta Crystallographica, 10(6), 428-432 (1957)
Analysis of Protein Stability by the Cycloheximide Chase Assay.
Yang PC.
Bio-protocol, 5(1) (2015)
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)
View All Related Papers

Protocols

Enzymatic Assay of Alcohol Dehydrogenase (EC 1.1.1.1)

To measure alcohol dehydrogenase activity, this assay uses β-nicotinamide adenine dinucleotide phosphate and a continuous spectrophotometric rate determination at 340 nm.

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service