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431478

Sigma-Aldrich

Fosfato de sodio dibasic heptahidratado

≥99.99% trace metals basis

Sinónimos:

Fosfato de disodio, Hidrogenofosfato de disodio heptahidratado

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About This Item

Fórmula lineal:
Na2HPO4 · 7H2O
Número de CAS:
7782-85-6
Peso molecular:
268.07
EC Number:
237-707-0
MDL number:
MFCD00149180
UNSPSC Code:
12352302
PubChem Substance ID:
24867019
NACRES:
NA.22

vapor density

4.9 (vs air)

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%

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

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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.

Storage Class

13 - Non Combustible Solids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

Certificados de análisis (COA)

Busque Certificados de análisis (COA) introduciendo el número de lote del producto. Los números de lote se encuentran en la etiqueta del producto después de las palabras «Lot» o «Batch»

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Bacterial Competition Assay Based on Extracellular D-amino Acid Production.
Alvarez L
Bio-protocol, 8(7), e2787-e2787 (2018)
Matthew H Crouthamel et al.
Arteriosclerosis, thrombosis, and vascular biology, 33(11), 2625-2632 (2013-08-24)
Elevated serum phosphate has emerged as a major risk factor for vascular calcification. The sodium-dependent phosphate cotransporter, PiT-1, was previously shown to be required for phosphate-induced osteogenic differentiation and calcification of cultured human vascular smooth muscle cells (VSMCs), but its
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
H Meredith et al.
International journal of food microbiology, 166(2), 309-315 (2013-08-27)
Campylobacteriosis is the most common foodborne bacterial infection in developed countries and many cases are associated with poultry. This study investigated the immediate and storage effect of dipping inoculated poultry skin samples in trisodium phosphate (TSP, 10 & 14%, w/v)
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