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P8135

Sigma-Aldrich

Sodium pyrophosphate dibasic

practical grade

Synonym(s):

Disodium dihydrogen pyrophosphate, Sodium diphosphate dibasic

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About This Item

Linear Formula:
Na2H2P2O7
CAS Number:
7758-16-9
Molecular Weight:
221.94
EC Number:
231-835-0
MDL number:
MFCD00014246
UNSPSC Code:
12352302
PubChem Substance ID:
57654563
NACRES:
NA.23

grade

practical grade

Assay

≥90% NaOH basis (titration)

form

powder

SMILES string

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

InChI

1S/2Na.H4O7P2/c;;1-8(2,3)7-9(4,5)6/h;;(H2,1,2,3)(H2,4,5,6)/q2*+1;/p-2

InChI key

GYQBBRRVRKFJRG-UHFFFAOYSA-L

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General description

Sodium pyrophosphate dibasic can be used as a heavymetal extractant from sludge.

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H319

Precautionary Statements

P305 + P351 + P338

Hazard Classifications

Eye Irrit. 2

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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Caroline Öhman et al.
Journal of materials science. Materials in medicine, 26(7), 210-210 (2015-07-15)
The porosity of calcium phosphate cements has an impact on several important parameters, such as strength, resorbability and bioactivity. A model to predict the porosity for biomedical cements would hence be a useful tool. At the moment such a model
Nadia Marino et al.
Inorganic chemistry, 50(1), 378-389 (2010-12-01)
The reaction in water of Cu(NO(3))(2)·2.5H(2)O with 2,2'-bipyridine (bipy), 1,10-phenanthroline (phen), or 1,10-phenanthroline-5-amine (phenam), and sodium pyrophosphate (Na(4)P(2)O(7)), at various pHs, afforded three new copper(II)-pyrophosphate complexes, namely, {[Cu(bipy)(cis-H(2)P(2)O(7))](2)}·3H(2)O (1a), {[Cu(phen)(H(2)O)](4)(HP(2)O(7))(2)}(ClO(4))(2)·4H(2)O (2), and {[Cu(2)(phenam)(2)(P(2)O(7))](2)·25H(2)O}(n) (3). A solvent free crystalline phase of
Taís Scaramucci et al.
Journal of dentistry, 39(12), 841-848 (2011-09-29)
To evaluate the erosive potential of orange juice modified by food additives in enamel and dentine. Calcium lactate pentahydrate (CLP), xanthan gum (XG), sodium linear polyphosphate (LPP), sodium pyrophosphate tetrabasic (PP), sodium tripolyphosphate (STP) and some of their combinations were
Bruce L Riser et al.
Nephrology, dialysis, transplantation : official publication of the European Dialysis and Transplant Association - European Renal Association, 26(10), 3349-3357 (2011-03-15)
The high rate of cardiovascular mortality in patients with end-stage renal disease (ESRD) is a significant barrier to improved life expectancy. Unique in this population is the marked development and aggressive worsening of vascular calcification (VC). Pyrophosphate (PPi), an endogenous
Xingqiang Wu et al.
Analytica chimica acta, 709, 66-72 (2011-11-30)
The optimization of analytical procedures for the quantification of free and total microcystins (MCs) in natural sediments was systematically examined based on solvent extraction and Lemieux oxidation. In this optimized analytical procedure, a sequential solvent extraction using 50% (v/v) methanol
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