Sodium chloride ≥99.5%, EMSURE® analytical reagent, Supelco®

Supplier: MilliporeSigma

Synonyms: Saline, NaCl, Sea salt, Halite

M-Clarity™ quality level = MQ300

1.06404.0500 1.06404.5000 1.06404.1000
CA1.06404.0500EA 66 CAD
CA1.06404.0500 CA1.06404.5000 CA1.06404.1000
Sodium chloride ≥99.5%, EMSURE® analytical reagent, Supelco®
Sodium chloride

EMSURE® (formerly GR) is a premium grade of reagents for wet chemical analysis, adhering to ACS, ISO, and/or Reag. Ph.Eur quality specifications.

Formula: NaCl
MW: 58.44 g/mol
Boiling Pt: 1413
Melting Pt: 801
Density: 2.16 g/cm³ (20 °C)
Storage Temperature: Ambient
MDL Number: MFCD00003477
CAS Number: 7647-14-5
EINECS: 231-598-3
Merck Index: 14,08599

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Specification Test Results

Assay (argentometric) 99.5% min
Assay argentometric; calculated on dried substance 99.0-100.5%
Appearance of solution passes test
Arsenic (As) 0.00004% max
Barium (Ba) passes test
Bromide (Br) 0.005% max
Calcium (Ca) 0.002% max
Calcium, magnesium, and R2O3 precipitate 0.005% max
Chlorate and nitrate (as NO3) 0.003% max
Copper (Cu) 0.0002% max
Ferrocyanides passes test
Heavy metals (as Pb) 0.0005% max
Hexacyanoferrate(II) ([Fe(CN)6]-4) 0.0001% max
Identity passes test
Insoluble matter 0.005% max
Iodide passes test
Iodide (I) 0.001% max
Iron (Fe) 0.0001% max
Loss on drying (105°C, 2 h) 0.5% max
Magnesium (Mg) 0.001% max
Magnesium and alkaline-earth metals (as Ca) 0.01% max
Nitrite (NO2) passes test
pH (5%, water) 5.0-8.0
Phosphate (PO4) 0.0005% max
Potassium (K) 0.005% max
Sulfate (SO4) 0.001% max
Total nitrogen (N) 0.0005% max


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