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Physical & Chemical properties

Density

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Description of key information

Although various data exist, the weight of evidence approach allows to determine the solid density of NaCl at 20 °C as 2.163 g/cm³.

Key value for chemical safety assessment

Relative density at 20C:
2.163

Additional information

Relative density is d (NaCl, 20°C) / d (H2O, 20°C) = 2.163 g/cm³ / 0.9982 g/cm³ = 2.167. The handbook of Chemistry an Physics reports a relative density of 2.16 (at 25°C).