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Merck
CN

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
EC Number:
231-767-1
MDL number:
MFCD00149200
UNSPSC Code:
12352302
PubChem Substance ID:
329752262
NACRES:
NB.24
Assay:
≥99%
Grade:
ACS reagent
Form:
crystals or chunks

Key Documents

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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: ≤0.001% (by ICP)

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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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

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Certificates of Analysis (COA)

Lot/Batch Number
MKCX7419
MKCX1230
MKCW6060
MKCW2728
MKCS9513

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Analysis of Protein Stability by the Cycloheximide Chase Assay.
Yang PC.
Bio-protocol, 5(1) (2015)
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)
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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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.

醇脱氢酶（EC 1.1.1.1）的酶学测定

在测定醇脱氢酶活性时，该测定使用β-烟酰胺腺嘌呤二核苷酸磷酸和在340nm处的连续分光光度法进行测定。

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