1064989050

Analysis Note

Assay (acidimetric,NaOH): ≥ 99.0 Êrbonate (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 Ê (Calcium): ≤ 0.0005 %Cu (Copper): ≤ 0.0002 þ (Iron): ≤ 0.0005 %K (Potassium): ≤ 0.05Mg (Magnesium): ≤ 0.0005 %Ni (Nickel): ≤ 0.00025 %Pb (Lead): ≤ 0.0005 %Zn (Zinc): ≤ 0.001 %

Legal Information

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

Packaging

25, 50 kg in Fibre carton

1, 5 kg in Plastic bottle

500 g in Plastic bottle

anion traces	carbonate (as Na₂CO₃): ≤1%, silicate (as SiO₂): ≤0.001%, sulfate (SO₄^2-): ≤0.010%, phosphate (PO₄^3-): ≤0.0005%, chloride (Cl^-): ≤0.012%
assay	≥99% NaOH basis (acidimetric)
cation traces	Fe: ≤0.0005%, Pb: ≤0.0005%, Mg: ≤0.0005%, K: ≤0.05%, Zn: ≤0.001%, Al: ≤0.0005%, Cu: ≤0.0002%, heavy metals (as Pb): ≤0.0005%, As: ≤0.0001%, Ni: ≤0.00025%, Ca: ≤0.0005%
density	2.13 g/cm³ at 20 °C
form	pellets
impurities	≤0.0003% Total nitrogen (N)
InChI key	HEMHJVSKTPXQMS-UHFFFAOYSA-M
InChI	1S/Na.H2O/h;1H2/q+1;/p-1
mp	318 °C (lit.)
pH	>14 (20 °C, 100 g/L in H₂O)
product line	EMSURE^®
Quality Level	300
SMILES string	[OH-].[Na+]
solubility	1090 g/L
storage temp.	2-30°C
vapor density	>1 (vs air)
vapor pressure	﹤18 mmHg ( 20 °C), 3 mmHg ( 37 °C)