Merck
Todas as fotos(4)

S7907

Sigma-Aldrich

Sodium phosphate dibasic

BioXtra, ≥99.0%

Sinônimo(s):
Sodium hydrogenphosphate, Disodium phosphate, Disodium hydrogen phosphate, sec-Sodium phosphate
Fórmula linear:
Na2HPO4
Número CAS:
Peso molecular:
141.96
Número EC:
Número MDL:
eCl@ss:
38070211
ID de substância PubChem:
NACRES:
NA.25

Nível de qualidade

200

linha de produto

BioXtra

teor

≥99.0%

forma

powder or crystals

Impurezas

≤0.1% Insoluble matter

pH

8.0-11.0 (20 °C, 1 M in H2O)

pKa (25 °C)

(1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid)

solubilidade

H2O: 1 M at 20 °C, clear, colorless

traços de ânion

chloride (Cl-): ≤0.05%
sulfate (SO42-): ≤0.05%

traços de cátion

Al: ≤0.0005%
Ca: ≤0.002%
Cu: ≤0.0005%
Fe: ≤0.002%
K: ≤0.005%
Mg: ≤0.005%
NH4+: ≤0.05%
Pb: ≤0.001%
Zn: ≤0.0005%

absorção

<0.05 at 260 in H2O at 1 M
<0.05 at 280 in H2O at 1 M

SMILES string

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

InChI

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

InChI key

BNIILDVGGAEEIG-UHFFFAOYSA-L

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Categorias relacionadas

Código de classe de armazenamento

11 - Combustible Solids

WGK

WGK 1

Ponto de fulgor (ºF)

Not applicable

Ponto de fulgor (ºC)

Not applicable

Equipamento de proteção individual

Eyeshields, Gloves, type N95 (US)

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