Merck
All Photos(2)

1.06498

Supelco

Sodium hydroxide

pellets for analysis EMSURE®

Synonym(s):
‘Caustic soda’
Linear Formula:
NaOH
CAS Number:
Molecular Weight:
40.00
Número MDL:
Número índice de la CE:
215-185-5

Nivel de calidad

300

densidad de vapor

>1 (vs air)

presión de vapor

<18 mmHg ( 20 °C)
3 mmHg ( 37 °C)

línea de producto

EMSURE®

ensayo

≥99% NaOH basis (acidimetric)

formulario

pellets

impurezas

≤0.0003% Total nitrogen (N)

pH

>14 (20 °C, 100 g/L in H2O)

mp

318 °C (lit.)

solubilidad

1090 g/L

densidad

2.13 g/cm3 at 20 °C

trazas de anión

carbonate (as Na2CO3): ≤1%
chloride (Cl-): ≤0.012%
phosphate (PO43-): ≤0.0005%
silicate (as SiO2): ≤0.001%
sulfate (SO42-): ≤0.010%

trazas de catión

Al: ≤0.0005%
As: ≤0.0001%
Ca: ≤0.0005%
Cu: ≤0.0002%
Fe: ≤0.0005%
K: ≤0.05%
Mg: ≤0.0005%
Ni: ≤0.00025%
Pb: ≤0.0005%
Zn: ≤0.001%
heavy metals (as Pb): ≤0.0005%

temp. de almacenamiento

2-30°C

SMILES string

[OH-].[Na+]

InChI

1S/Na.H2O/h;1H2/q+1;/p-1

InChI key

HEMHJVSKTPXQMS-UHFFFAOYSA-M

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Nota de análisis

Assay (acidimetric,NaOH): ≥ 99.0 %
Carbonate (as Na₂CO₃): ≤ 1.0 %
Chloride (Cl): ≤ 0.012 %
Phosphate (PO₄): ≤ 0.0005 %
Silicate (SiO₂): ≤ 0.001 %
Sulfate (SO₄): ≤ 0.010 %
Total nitrogen (N): ≤ 0.0003 %
Heavy metals (as Pb): ≤ 0.0005 %
Al (Aluminium): ≤ 0.0005 %
As (Arsenic): ≤ 0.0001 %
Ca (Calcium): ≤ 0.0005 %
Cu (Copper): ≤ 0.0002 %
Fe (Iron): ≤ 0.0005 %
K (Potassium): ≤ 0.05
Mg (Magnesium): ≤ 0.0005 %
Ni (Nickel): ≤ 0.00025 %
Pb (Lead): ≤ 0.0005 %
Zn (Zinc): ≤ 0.001 %

Información legal

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

pictogramas

Corrosion

Palabra de señalización

Danger

Frases de peligro

Clasificaciones de peligro

Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1A

Código de clase de almacenamiento

8B - Non-combustible, corrosive hazardous materials

WGK

WGK 1

Punto de inflamabilidad F

Not applicable

Punto de inflamabilidad C

Not applicable

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