NIST TRC ThermoML Dataset

Solvation of N-methyl-2-pyrrolidone and N,N-dimethylpropanamide in cyclohexane, heptane, n-alkan-1-ols(C1-C4) and water at 298.15 K Kimura, F.; Sugiura, T.; Ogawa, H.; Thermochimica Acta 2013, 573, 206-212

Journal: Thermochimica Acta
Sample Quantity(ies): Speed of sound
Methodology: Sing-around technique in a fixed-path interferometer
Phase(s): Liquid
Substances:
1. heptane C7H16 (IMNFDUFMRHMDMM-UHFFFAOYSA-N) - Commercial source
2. 1-methyl-2-pyrrolidinone C5H9NO (SECXISVLQFMRJM-UHFFFAOYSA-N) - Commercial source

Data

P = 101 kPa, T = 298.15 K
m (mol kg^-1)	c (m s^-1)
0.0859	1133.1
0.1879	1135.0
0.2695	1136.4
0.3576	1137.7
0.4488	1139.2

3122; heptane + N-methyl-2-pyrrolidone; 00005:00300