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1.06400.9024 SODIUM CHLORIDE MERCK
CAS number 7647-14-5
EC number 231-598-3
Grade Ph Eur,BP,USP
Hill Formula ClNa
Chemical formula NaCl
Molar Mass 58.44 g/mol
HS Code 2501 00 99
Boiling point 1461 °C (1013 hPa)
Density 2.17 g/cm3 (20 °C)
Melting Point 801 °C
pH value 4.5 - 7.0 (100 g/l, H₂O, 20 °C)
Vapor pressure 1.3 hPa (865 °C)
Bulk density 1140 kg/m3
Solubility 358 g/l
Storage Store at +5°C to +30°C.
Assay (argentometric; calculated on dried substance) 99.5 - 100.5 %
Identity passes test
Appearance of solution passes test
Acidity or alkalinity passes test
Bromide (Br) ≤ 0.005 %
Ferrocyanides passes test
Iodide (I) passes test
Nitrite (NO₂) (UV-absorption 354nm; 1cm; 10%; water) ≤ 0.01
Phosphate (PO₄) ≤ 0.0025 %
Sulphate (SO₄) ≤ 0.0200 %
Heavy metals (as Pb) ≤ 0.0005 %
As (Arsenic) ≤ 0.0001 %
Ba (Barium) passes test
Ca (Calcium) ≤ 0.002 %
K (Potassium) ≤ 0.01 %
Fe (Iron) ≤ 0.0002 %
Magnesium and alkaline-earth metals (as Ca) ≤ 0.0100 %
Residual solvents (ICH Q3C) excluded by the manufacturing process
Loss on drying (105 °C, 2 h) ≤ 0.5 %
Elemental impurity specifications have been set considering ICH Q3D (Guideline for Elemental Impurities). Class 1-3 elements are not likely to be present above the ICH Q3D option 1 limit, unless specified and indicated (*).
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