Merck
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795410

Sigma-Aldrich

Sodium phosphate dibasic

anhydrous, free-flowing, Redi-Dri, ACS reagent, ≥99%

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:
ID de substância PubChem:
NACRES:
NA.21

Nível de qualidade

100

grau

ACS reagent
anhydrous

linha de produto

Redi-Dri

teor

≥99%

forma

powder

qualidade

free-flowing

Impurezas

≤0.002% Chloride (Cl)
≤0.01% Insoluble matter

perda

≤0.2% loss on drying, 105°C

pH

8.7-9.3 (25 °C, 5% in solution)

pKa (25 °C)

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

traços de ânion

sulfate (SO42-): ≤0.005%

traços de cátion

Fe: ≤0.002%
heavy metals: ≤0.001% (by ICP-OES)

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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Embalagem

1, 2.5 kg in poly bottle
100, 500 g in poly bottle
5 kg in poly drum

Características e benefícios

  • Increased efficiency – Eliminate time and effort of loosening hardened powders
  • Safety – Avoid risks of using tools of force to break up clumps
  • Economy – Faster preparation and solvation increase productivity and reduce costs
  • Assured quality – Excellent, expert-tested quality with no anti-caking agents
  • Flexible volumes – Available from research amounts to scale-up quantities

Informações legais

Redi-Dri is a trademark of Sigma-Aldrich Co. LLC

Código de classe de armazenamento

11 - Combustible Solids

WGK

WGK 1

Ponto de fulgor (ºF)

Not applicable

Ponto de fulgor (ºC)

Not applicable

Certificate of Analysis

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Certificate of Origin

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