431478
Sodium phosphate dibasic heptahydrate
≥99.99% trace metals basis
Synonym(s):
Disodium hydrogen phosphate heptahydrate, Disodium phosphate
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About This Item
Linear Formula:
Na2HPO4 · 7H2O
CAS Number:
Molecular Weight:
268.07
NACRES:
NA.22
PubChem Substance ID:
UNSPSC Code:
12352302
EC Number:
237-707-0
MDL number:
Assay:
≥99.99% trace metals basis
Form:
solid
vapor density
4.9 (vs air)
Quality Level
assay
≥99.99% trace metals basis
form
solid
impurities
≤0.005% insolubles, <100 ppm total metallic impurities
pH
8.7-9.3
density
1.68 g/mL at 25 °C (lit.)
anion traces
chloride (Cl-): ≤0.001%, sulfate (SO42-): ≤0.005%
cation traces
Fe: ≤0.001%, heavy metals: ≤0.001%
functional group
phosphate
SMILES string
O.O.O.O.O.O.O.[Na+].[Na+].OP([O-])([O-])=O
InChI
1S/2Na.H3O4P.7H2O/c;;1-5(2,3)4;;;;;;;/h;;(H3,1,2,3,4);7*1H2/q2*+1;;;;;;;;/p-2
InChI key
PYLIXCKOHOHGKQ-UHFFFAOYSA-L
Application
Sodium phosphate dibasic heptahydrate has been used to prepare sodium phosphate buffer and phosphate-buffered saline (PBS) buffer.[44}
Features and Benefits
Meets A.C.S. reagent specifications.
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Storage Class
13 - Non Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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Bacterial Competition Assay Based on Extracellular D-amino Acid Production.
Alvarez L
Bio-protocol, 8(7), e2787-e2787 (2018)
Walter Grünberg et al.
The British journal of nutrition, 110(6), 1012-1023 (2013-04-03)
Hypophosphataemia is frequently encountered in dairy cows during early lactation. Although supplementation of P is generally recommended, controversy exists over the suitability of oral P supplementation in animals with decreased or absent rumen motility. Since the effects of transruminal P
M A Marzouk et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 114, 658-667 (2013-07-03)
The effects of gamma irradiation on spectral properties of Cr2O3-doped phosphate glasses of three varieties, namely sodium metaphosphate, lead metaphosphate and zinc metaphosphate have been investigated. Optical spectra of the undoped samples reveal strong UV absorption bands which are attributed