{"compilation": {"title": "Solubility data from IUPAC SDS Volume 37 (page 507) - Heptane with Water", "publisher": "The International Union of Pure and Applied Chemistry", "keywords": "Solubility, Solubility data series", "compilers": "Marie C. Haulait-Pirson", "sources": [{"citation": "Polak, J.; Lu, B. C. Y.; Can. J. Chem. 1973, 51, 4018-23.", "pubtype": "paper", "url": "https://doi.org/10.1139/v73-599"}], "system": "Heptane with Water", "substances": [{"constituent": 1, "name": "Heptane", "formula": "C7H16", "molweight": 100.202, "casrn": "142-82-5", "inchi": "InChI=1S/C7H16/c1-3-5-7-6-4-2/h3-7H2,1-2H3", "inchikey": "IMNFDUFMRHMDMM-UHFFFAOYSA-N", "sample": "Phillips Petroleum Co.; pure grade reagent (99%+); shaken three times with distilled water."}, {"constituent": 2, "name": "Water", "formula": "H2O", "molweight": 18.0153, "casrn": "7732-18-5", "inchi": "InChI=1S/H2O/h1H2", "inchikey": "XLYOFNOQVPJJNP-UHFFFAOYSA-N", "sample": "Distilled."}], "method": "The solubility of (1) in 2) was determined by gas chromatography. The solubility of (2) in (1) was determined by Karl Fischer titration. 50 mL of (1) together with 50 mL of (2) were placed in a 15 mL Hypovial closed with a Teflon coated rubber septum and placed in a constant-temperature water bath. The system was stirred magnetically for 24 hr or was kept in the bath without stirring for at least seven days before samples were taken for analysis. Details of the analysis are given in the paper.", "dataset": [{"series": 1, "title": "Solubility of heptane in water", "points": [{"pntnum": 1, "conditions": [{"property": "Ambient temperature", "number": "0e+00", "significand": "0", "exponent": "0", "sigfigs": "0", "unit": "°C"}], "data": [{"property": "Relative mass - solution (1)", "number": "4.39e+00", "significand": "4.39", "exponent": "0", "sigfigs": "3", "unit": "mg/kg"}], "supplemental": [{"property": "Mole fraction - Liquid (1)", "number": "7.9e-07", "significand": "7.9", "exponent": "-7", "sigfigs": "2", "unit": "1"}]}, {"pntnum": 2, "conditions": [{"property": "Ambient temperature", "number": "2.5e+01", "significand": "2.5", "exponent": "1", "sigfigs": "2", "unit": "°C"}], "data": [{"property": "Relative mass - solution (1)", "number": "3.37e+00", "significand": "3.37", "exponent": "0", "sigfigs": "3", "unit": "mg/kg"}], "supplemental": [{"property": "Mole fraction - Liquid (1)", "number": "6.1e-06", "significand": "6.1", "exponent": "-6", "sigfigs": "2", "unit": "1"}]}]}, {"series": 2, "title": "Solubility of water in heptane", "points": [{"pntnum": 1, "conditions": [{"property": "Ambient temperature", "number": "0e+00", "significand": "0", "exponent": "0", "sigfigs": "0", "unit": "°C"}], "data": [{"property": "Relative mass - solution (2)", "number": "2.6e+01", "significand": "2.6", "exponent": "1", "sigfigs": "2", "unit": "mg/kg"}], "supplemental": [{"property": "Mole fraction - Liquid (2)", "number": "1.45e-04", "significand": "1.45", "exponent": "-4", "sigfigs": "3", "unit": "1"}]}, {"pntnum": 2, "conditions": [{"property": "Ambient temperature", "number": "2.5e+01", "significand": "2.5", "exponent": "1", "sigfigs": "2", "unit": "°C"}], "data": [{"property": "Relative mass - solution (2)", "number": "8.2e+01", "significand": "8.2", "exponent": "1", "sigfigs": "2", "unit": "mg/kg"}], "supplemental": [{"property": "Mole fraction - Liquid (2)", "number": "4.56e-04", "significand": "4.56", "exponent": "-4", "sigfigs": "3", "unit": "1"}]}]}]}}