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71650

Sigma-Aldrich

Fosfato de sódio

puriss. p.a., crystallized, ≥99.0% (T)

Sinônimo(s):

Fosfato sec-sódico, Fosfato dissódico, Hidrogenofosfato dissódico

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About This Item

Fórmula linear:
Na2HPO4 · 12H2O
Número CAS:
10039-32-4
Peso molecular:
358.14
Número CE:
231-448-7
Número MDL:
MFCD00149181
Código UNSPSC:
12161700
ID de substância PubChem:
329763400
NACRES:
NA.21

grau

puriss. p.a.

Ensaio

≥99.0% (T)

forma

crystals

qualidade

crystallized

pH

9.0-9.3 (25 °C, 50 mg/mL in H2O)

solubilidade

water: soluble 35.8 g/L at 20 °C

traços de ânion

chloride (Cl-): ≤5 mg/kg
fluoride (F-): ≤5 mg/kg
sulfate (SO42-): ≤50 mg/kg

traços de cátion

As: ≤0.5 mg/kg
Ca: ≤10 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
K: ≤50 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Zn: ≤5 mg/kg

cadeia de caracteres SMILES

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

InChI

1S/2Na.H3O4P.12H2O/c;;1-5(2,3)4;;;;;;;;;;;;/h;;(H3,1,2,3,4);12*1H2/q2*+1;;;;;;;;;;;;;/p-2

chave InChI

DGLRDKLJZLEJCY-UHFFFAOYSA-L

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Descrição geral

Sodium phosphate is a colorless crystalline sodium salt. It is widely used as a buffer in molecular biology, biochemistry, and chromatographic studies. It exists in three forms: monobasic (NaH2PO4), dibasic (Na2HPO4), and tribasic (Na3PO4). Monobasic and dibasic forms in varying ratios are commonly used to compose the neutral sodium phosphate buffer solution.

Aplicação

Sodium phosphate dibasic dodecahydrate may be used to prepare the 0.1M phosphate buffer having pH 7.4.

Código de classe de armazenamento

13 - Non Combustible Solids

Classe de risco de água (WGK)

WGK 1

Ponto de fulgor (°F)

Not applicable

Ponto de fulgor (°C)

Not applicable

Certificados de análise (COA)

Busque Certificados de análise (COA) digitando o Número do Lote do produto. Os números de lote e remessa podem ser encontrados no rótulo de um produto após a palavra “Lot” ou “Batch”.

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Fosfato de sódio

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Supelco

80948

Sulfato de sódio

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