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Documentos Principais

223530

Sigma-Aldrich

Carbonato de sódio

powder, ≥99.5%, ACS reagent

Sinônimo(s):

Carbonato de sódio, Carbonato dissódico, Sal dissódico de ácido carbônico

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About This Item

Fórmula linear:
Na2CO3
Número CAS:
Peso molecular:
105.99
Beilstein:
4154566
Número CE:
Número MDL:
Código UNSPSC:
12352302
ID de substância PubChem:
NACRES:
NA.21

grau

ACS reagent

Nível de qualidade

Agency

suitable for EPA 300
suitable for SM 2310
suitable for SM 2320
suitable for SM 4500 - NH3

Ensaio

≥99.5%

forma

powder

Impurezas

≤0.005% silica
≤0.01% insolubles

perda

≤1.0% loss on heating

pH

12 (25 °C, 106 g/L)

pf

851 °C (lit.)

traços de ânion

chloride (Cl-): ≤0.001%
phosphate (PO43-): ≤0.001%
sulfur compounds (as SO42-): ≤0.003%

traços de cátion

Ca: ≤0.03%
Fe: ≤5 ppm
K: ≤0.005%
Mg: ≤0.005%
heavy metals: ≤5 ppm (by ICP-OES)

cadeia de caracteres SMILES

O=C(O[Na])O[Na]

InChI

1S/CH2O3.2Na/c2-1(3)4;;/h(H2,2,3,4);;/q;2*+1/p-2

chave InChI

CDBYLPFSWZWCQE-UHFFFAOYSA-L

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Descrição geral

Sodium carbonate (soda ash) is an inorganic chemical compound. It is used in the synthesis of chemicals, detergent formulations, flue gas desulfurization, and paper and pulp production.

Aplicação

Sodium carbonate can be used:
  • As a catalyst in the aldol condensation of aldehydes with ketones in the synthesis of chalcone and azachalcone.
  • As a pH stabilizer agent in the synthesis of FeO-NPs (iron oxide nanoparticles) in the presence of cymbopogon citratus as a reducing agent.
  • As a base in the Pd-catalyzed Suzuki coupling reactions.
  • As a base in the transition metal free Suzuki coupling reaction of aryl halides and arylboronic acids to form biaryls using water as a solvent and TBAB (tetrabutylammonium bromide) as a phase-transfer catalyst.

Ações bioquímicas/fisiológicas

Componente de tampão, pode ser usado para remover proteínas periféricas de membrana.

Informações legais

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

Pictogramas

Exclamation mark

Palavra indicadora

Warning

Frases de perigo

Classificações de perigo

Eye Irrit. 2

Código de classe de armazenamento

11 - 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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