Merck
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71642

Sigma-Aldrich

Sodium phosphate dibasic

purum p.a., anhydrous, ≥98.0% (T)

Synonym(s):
Sodium hydrogenphosphate, Disodium phosphate, Disodium hydrogen phosphate, sec-Sodium phosphate
Linear Formula:
Na2HPO4
CAS Number:
Molecular Weight:
141.96
Número EC:
Número MDL:
eCl@ss:
38070211
ID de substância PubChem:
NACRES:
NA.25

Nível de qualidade

300

grau

purum p.a.

teor

≥98.0% (T)

forma

powder

perda

≤2% loss on drying, 110 °C

pH

8.8-9.4 (25 °C, 50 mg/mL in H2O)

pKa (25 °C)

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

solubilidade

water: soluble 50 mg/mL at 25 °C

traços de ânion

chloride (Cl-): ≤50 mg/kg
sulfate (SO42-): ≤1000 mg/kg

traços de cátion

Ca: ≤50 mg/kg
Cd: ≤50 mg/kg
Co: ≤50 mg/kg
Cu: ≤50 mg/kg
Fe: ≤50 mg/kg
K: ≤200 mg/kg
Ni: ≤50 mg/kg
Pb: ≤50 mg/kg
Zn: ≤50 mg/kg

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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Related Categories

Código de classe de armazenamento

13 - Non 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)

Certificate of Analysis

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Certificate of Origin

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