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Description of key information

Realtive Density (D20/4) of 2-Chorobutane: 0.872

Key value for chemical safety assessment

Relative density at 20C:

Additional information

In two peer-reviewed standard handbook (CRC and Merck Index) density of 2-Chlorobutane is reported to be D20/4: 0.873 and 0.871. As A result we consider 0.872 as average being a reliable value for the relative density of 2 Chlorobutane. This si supported by data reported by Riddick et al. being 0.873 for the racemic 2-Chlorobutane at 20 °C. Giner et al. have determined the density at 25 °C to be 0.86743 g/cm3 and thus slightly lower than at 20 °C as expected.

The vapour density is reported as 3.85 g/l at 20 °C. The relative density of vapour/air mixture to dry air at 20 °C is 1.31. Thus, vapours are heavier than air creeping along the floor.