Merck
All Photos(2)

1.06637

Supelco

Sodium sulfate

anhydrous, coarse granules for analysis EMSURE® ACS

Linear Formula:
Na2SO4
CAS Number:
Molecular Weight:
142.04
Número MDL:
Número índice de la CE:
231-820-9

Nivel de calidad

300

grado

ACS reagent

línea de producto

EMSURE®

ensayo

≥99.0% (acidimetric)

formulario

solid

potencia

>2000 mg/kg LD50, oral (Rat)

impurezas

≤0.01% Insoluble matter

pérdida

≤0.5% loss on ignition, 800 °C

pH

5.2-8.0 (20 °C, 50 g/L in H2O)

mp

884 °C (lit.)

solubilidad

200 g/L

densidad

2.68 g/mL at 25 °C (lit.)

densidad aparente

1400‑1600 kg/m3

trazas de anión

chloride (Cl-): ≤0.001%
phosphate (PO43-): ≤0.001%

trazas de catión

As: ≤0.0001%
Ca: ≤0.01%
Fe: ≤0.0005%
K: ≤0.002%
Mg: ≤0.001%
N: ≤0.0005%
heavy metals (as Pb): ≤0.0005%

temp. de almacenamiento

2-30°C

SMILES string

[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

InChI key

PMZURENOXWZQFD-UHFFFAOYSA-L

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Nota de análisis

Assay (acidimetric): ≥ 99.0 %
Identity: passes test
Insoluble matter: ≤ 0.01 %
pH-value (5 %; water): 5.2 - 9.2
Chloride (Cl): ≤ 0.001 %
Phosphate (PO₄): ≤ 0.001 %
Total nitrogen (N): ≤ 0.0005 %
Heavy metals (as Pb): ≤ 0.0005 %
As (Arsenic): ≤ 0.0001 %
Ca (Calcium): ≤ 0.01 %
Fe (Iron): ≤ 0.0005 %
K (Potassium): ≤ 0.002 %
Mg (Magnesium): ≤ 0.001 %
Loss on ignition (800 °C): ≤ 0.5 %
Particle size (250-2000 µm): ≥ 85 %
Corresponds to ACS

Información legal

EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany

Código de clase de almacenamiento

13 - Non Combustible Solids

WGK

WGK 1

Punto de inflamabilidad F

Not applicable

Punto de inflamabilidad C

Not applicable

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