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Merck

31481

Sigma-Aldrich

Sulfato de sodio

puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., anhydrous, ≥99.0%

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About This Item

Fórmula lineal:
Na2SO4
Número de CAS:
Peso molecular:
142.04
Número CE:
Número MDL:
Código UNSPSC:
12352302
ID de la sustancia en PubChem:
NACRES:
NA.22

grado

ACS reagent
puriss. p.a.

Agency

USP/NF
reag. ISO
reag. Ph. Eur.

Ensayo

≥99.0%

Formulario

crystalline

impurezas

≤0.0005% heavy metals (by ICP-OES)
≤0.0005% total nitrogen (N)
≤0.01% in water insoluble matters
≤0.03% free alkali (as NaOH)
≤0.05% free acid (as H2SO4)

pérdida

≤0.5% loss on ignition, 800 °C

pH

5.2-8.0 (20 °C, 5%)

mp

884 °C (lit.)

densidad

2.68 g/mL at 25 °C (lit.)

trazas de anión

chloride (Cl-): ≤10 mg/kg
phosphate (PO43-): ≤10 mg/kg

trazas de catión

As: ≤1 mg/kg
Ca: ≤20 mg/kg
Fe: ≤5 mg/kg
K: ≤100 mg/kg
Mg: ≤25 mg/kg

idoneidad

complies for appearance of solution

temp. de almacenamiento

2-8°C

cadena SMILES

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

InChI

1S/2Na.H2O4S/c;;1-5(2,3)4/h;;(H2,1,2,3,4)/q2*+1;/p-2

Clave InChI

PMZURENOXWZQFD-UHFFFAOYSA-L

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Código de clase de almacenamiento

13 - Non Combustible Solids

Clase de riesgo para el agua (WGK)

WGK 1

Punto de inflamabilidad (°F)

Not applicable

Punto de inflamabilidad (°C)

Not applicable


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