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Correction to “Binary Mixtures of n-Alkylbenzenes and Pentadecane: Densities, Speeds of Sound, and Viscosities within the Range of 288.15 and 333.15 K and at 0.1 MPa”Click to copy article linkArticle link copied!
- Dianne J. Luning Prak*
- Jim S. CowartJim S. CowartMore by Jim S. Cowart
Journal of Chemical & Engineering Data
Not subject to U.S. Copyright. Published 2025 by American Chemical Society. This publication is licensed under
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Table 2: The correct CAS number for n-decylbenzene (C16H26) is 104-72-3.
| chemical name | CAS number | molar mass (g/mol)a | source | mole fraction purityb |
|---|---|---|---|---|
| pentadecane (C15H32) | 629-62-9 | 212.41 ± 0.04 | TCI | 0.998 |
| n-decylbenzene (C16H26) | 104-72-3 | 218.38 ± 0.03 | TCI | 0.994 |
| n-octylbenzene (C14H22) | 2189-60-8 | 190.32 ± 0.03 | TCI | 0.982 |
| n-heptylbenzene (C13H20) | 1078-71-3 | 176.30 ± 0.03 | TCI | 0.995 |
| n-hexylbenzene (C12H18) | 1077-16-3 | 162.27 ± 0.02 | TCI | 0.993 |
| n-pentylbenzene (C11H16) | 538-68-1 | 148.25 ± 0.02 | Aldrich | 0.999 |
| n-butylbenzene (C10H14) | 104-51-8 | 134.22 ± 0.02 | TCI | 0.999 |
| n-propylbenzene (C9H12) | 103-65-1 | 120.20 ± 0.02 | TCI | 0.999 |
| ethylbenzene (C8H10) | 100-41-4 | 106.17 ± 0.02 | TCI | 1.000 |
| toluene (C7H8) | 108-88-3 | 92.14 ± 0.01 | Pharmco | 0.9987 |
Calculated using values in Harris.30
The method of analysis for all the compounds is gas–liquid chromatography, as specified in the Certificates of Analysis provided by the chemical suppliers.
Table 5: The units and symbol for speed of sound in the table were incorrect. They should be m·s–1 and c.
| T/K | Meas.ac/m·s–1 | Literature c/m·s–1 | Meas.ac/m·s–1 | Literature c/m·s–1 |
|---|---|---|---|---|
| pentadecane | n-octylbenzene | |||
| 288.15 | 1364.3 | 1364.0,34 1364.216 | 1416.7 | 1415.936 |
| 293.15 | 1345.3 | 1344.9,34 1345.2,16 1345.937 | 1398.4 | 1397.3,36 1397.58 |
| 298.15 | 1326.3 | 1325.8,34 1326.516 | 1379.8 | 1378.736 |
| 303.15 | 1307.5 | 1307.0,34 1307.3,53 1307.5,16 1308.137 | 1361.5 | 1360.2,36 1361.08 |
| 313.15 | 1270.8 | 1269.9,53 1270.1,34 1270.7,16, 1270.937 | 1325.5 | 1324.1,36 1324.98 |
| 323.15 | 1234.7 | 1234.0,34 1234.1,53 1234.4,16 1234.537 | 1290.1 | 1288.6,36 1289.48 |
| 333.15 | 1199.2 | 1197.653, 1198.337, 1198.934, 1199.116 | 1255.1 | 1254.2,36 1254.38 |
| MAPE = 0.03 | MAPE = 0.07 | |||
| n-heptylbenzene | n- hexylbenzene | |||
| 288.15 | 1405.8 | 1405.836 | 1394.9 | 1395.0,36 1395.8,33 1395.633 |
| 293.15 | 1387.1 | 1387.036 | 1376.1 | 1375.9,36 1376.0,33 1376.1,8 1376.533 |
| 298.15 | 1368.4 | 1368.236 | 1357.0 | 1356.936 |
| 303.15 | 1349.9 | 1349.636 | 1338.3 | 1338.0,36 1338.1,33 1338.78,33 |
| 313.15 | 1313.5 | 1313.036 | 1301.4 | 1301.0,36 1301.1,33 1301.6,33 1301.78 |
| 323.15 | 1277.7 | 1277.236 | 1265.1 | 1264.7,33 1265.38,33 |
| 333.15 | 1242.4 | 1242.136 | 1229.2 | 1229.3,36 1229.4,8,33 1229.833 |
| MAPE = 0.02 | MAPE = 0.02 | |||
| n-pentylbenzene | n-butylbenzene | |||
| 288.15 | 1385.4 | 1385.236 | 1373.8 | 1373.733 |
| 293.15 | 1366.0 | 1365.836 | 1354.0 | 1353.2,33 1353.4,54 1353.855 |
| 298.15 | 1346.7 | 1346.4,36 134646 | 1334.3 | 1334.155 |
| 303.15 | 1327.5 | 1327.136 | 1314.8 | 1308,48 1314.3,33,54 1314.555 |
| 313.15 | 1289.9 | 1289.436 | 1276.5 | 1275.7,54 1276,48 1276.133 |
| 323.15 | 1252.8 | 1252.336 | 1238.7 | 1238.433 |
| 333.15 | 1216.2 | 1216.236 | 1201.5 | 1201.5,33 120155 |
| MAPE = 0.03 | MAPE = 0.05 | |||
| n-propylbenzene | ethylbenzene | |||
| 288.15 | 1362.0 | 1361.336, 49 | 1361.3 | 1361.036 |
| 293.15 | 1341.6 | 1340.7,49 1340.8,36 1341.514 | 1340.2 | 1339.70,26 1339.9,36 134056 |
| 298.15 | 1321.2 | 1320.6,14 1320.3,36 1321.057 | 1319.1 | 1318.836 |
| 303.15 | 1301.1 | 1300.0,49 1300.1,36 1300.414 | 1298.2 | 1298.0,36 1298.0526 |
| 313.15 | 1261.5 | 1260.2,36,49 1260.914 | 1257.1 | 1256,58 1256.89,26 1257,56 1257.236 |
| 323.15 | 1222.4 | 1221.2,36,49 1221.514 | 1216.7 | 1216.3526 |
| 333.15 | 1183.9 | 1183.136,49 | 1176.8 | 1176.4026 |
| MAPE = 0.07 | MAPE = 0.03 | |||
| toluene | ||||
| 288.15 | 1348.3 | 1348.236 | ||
| 293.15 | 1326.6 | 1326.5,36 1326.8,26 1326.959 | ||
| 298.15 | 1304.8 | 1304.7,36 1304.77 ± 0 × 1060 | ||
| 303.15 | 1283.2 | 1283,61 1283.20 ± 0 × 1060 | ||
| MAPE = 0.01 | ||||
“Meas.” is measured value. The average pressure for these measurements was 0.102 MPa. Standard uncertainties are u(T) = 0.01 K, and u(p) = 1 kPa, and relative standard uncertainties are ur(c) = 0.0007, except for n-octylbenzene mixtures where the relative standard uncertainties ur(c) = 0.0018.
Table 8: The units in the header were incorrect. They should be m·s–1.
| n-alkylbenzene | x1 | T = 288.15 K | T = 293.15 K | T = 298.15 K | T = 303.15 K | T = 313.15 K | T = 323.15 K | T = 333.15 K |
|---|---|---|---|---|---|---|---|---|
| 0.0000 | 1364.3 | 1345.3 | 1326.3 | 1307.5 | 1270.8 | 1234.7 | 1199.2 | |
| toluene | 0.1017 | 1359.8 | 1340.9 | 1321.8 | 1303.0 | |||
| toluene | 0.1987 | 1355.6 | 1336.5 | 1317.5 | 1298.6 | |||
| toluene | 0.2985 | 1351.1 | 1332.0 | 1312.9 | 1293.9 | |||
| toluene | 0.3992 | 1346.5 | 1327.3 | 1308.1 | 1289.1 | |||
| toluene | 0.5014 | 1342.1 | 1322.7 | 1303.3 | 1284.1 | |||
| toluene | 0.5996 | 1338.1 | 1318.6 | 1299.0 | 1279.6 | |||
| toluene | 0.7000 | 1334.9 | 1315.2 | 1295.4 | 1275.7 | |||
| toluene | 0.8004 | 1333.9 | 1313.8 | 1293.5 | 1273.5 | |||
| toluene | 0.9010 | 1336.9 | 1316.1 | 1295.3 | 1274.6 | |||
| toluene | 1.0000 | 1348.3 | 1326.6 | 1304.8 | 1283.2 | |||
| ethyl- | 0.1000 | 1360.6 | 1341.5 | 1322.6 | 1303.8 | 1267.0 | 1230.9 | 1195.2 |
| ethyl- | 0.2010 | 1357.0 | 1338.0 | 1319.0 | 1300.2 | 1263.3 | 1227.1 | 1191.4 |
| ethyl- | 0.3002 | 1353.6 | 1334.6 | 1315.5 | 1296.7 | 1259.6 | 1223.3 | 1187.4 |
| ethyl- | 0.3994 | 1350.5 | 1331.4 | 1312.2 | 1293.3 | 1256.1 | 1219.5 | 1183.5 |
| ethyl- | 0.5011 | 1347.5 | 1328.3 | 1309.1 | 1290.2 | 1252.8 | 1215.9 | 1179.6 |
| ethyl- | 0.6001 | 1345.6 | 1326.2 | 1306.8 | 1287.6 | 1249.9 | 1212.7 | 1176.0 |
| ethyl- | 0.7002 | 1344.6 | 1325.0 | 1305.4 | 1286.1 | 1247.9 | 1210.3 | 1173.1 |
| ethyl- | 0.7990 | 1345.9 | 1325.9 | 1306.0 | 1286.2 | 1247.4 | 1209.1 | 1171.4 |
| ethyl- | 0.9003 | 1350.2 | 1329.9 | 1309.5 | 1289.4 | 1249.8 | 1210.6 | 1172.0 |
| ethyl- | 1.000 | 1361.3 | 1340.2 | 1319.1 | 1298.2 | 1257.1 | 1216.7 | 1176.8 |
| propyl- | 0.1020 | 1361.1 | 1342.1 | 1323.1 | 1304.4 | 1267.6 | 1231.5 | 1195.9 |
| propyl- | 0.2021 | 1358.3 | 1339.3 | 1320.3 | 1301.6 | 1264.7 | 1228.5 | 1192.8 |
| propyl- | 0.3075 | 1355.4 | 1336.4 | 1317.5 | 1298.7 | 1261.8 | 1225.5 | 1189.7 |
| propyl- | 0.4001 | 1353.2 | 1334.2 | 1315.2 | 1296.4 | 1259.4 | 1223.0 | 1187.1 |
| propyl- | 0.4998 | 1351.2 | 1332.1 | 1313.0 | 1294.2 | 1257.0 | 1220.4 | 1184.3 |
| propyl- | 0.6006 | 1349.9 | 1330.7 | 1311.5 | 1292.5 | 1255.1 | 1218.2 | 1181.9 |
| propyl- | 0.6985 | 1349.5 | 1330.2 | 1310.8 | 1291.7 | 1254.0 | 1216.9 | 1180.2 |
| propyl- | 0.8001 | 1350.7 | 1331.1 | 1311.5 | 1292.2 | 1254.1 | 1216.5 | 1179.5 |
| propyl- | 0.8997 | 1354.4 | 1334.4 | 1314.5 | 1294.8 | 1256.0 | 1217.9 | 1180.3 |
| propyl- | 1.0000 | 1362.0 | 1341.6 | 1321.2 | 1301.1 | 1261.5 | 1222.4 | 1183.9 |
| butyl- | 0.1004 | 1362.5 | 1343.4 | 1324.4 | 1305.7 | 1268.9 | 1232.9 | 1197.3 |
| butyl- | 0.2175 | 1360.4 | 1341.6 | 1322.5 | 1303.9 | 1267.3 | 1231.2 | 1195.6 |
| butyl- | 0.3011 | 1359.3 | 1340.5 | 1321.5 | 1302.9 | 1266.2 | 1230.0 | 1194.4 |
| butyl- | 0.4011 | 1358.5 | 1339.5 | 1320.6 | 1301.9 | 1265.1 | 1228.9 | 1193.3 |
| butyl- | 0.5065 | 1357.9 | 1339.0 | 1320.1 | 1301.4 | 1264.6 | 1228.3 | 1192.5 |
| butyl- | 0.5999 | 1358.3 | 1339.4 | 1320.3 | 1301.6 | 1264.6 | 1228.2 | 1192.2 |
| butyl- | 0.7004 | 1359.5 | 1340.5 | 1321.4 | 1302.6 | 1265.4 | 1228.8 | 1192.6 |
| butyl- | 0.7994 | 1362.2 | 1342.9 | 1323.7 | 1304.6 | 1267.1 | 1230.3 | 1193.9 |
| butyl- | 0.8994 | 1366.4 | 1347.2 | 1327.6 | 1308.5 | 1270.7 | 1233.5 | 1196.8 |
| butyl- | 1.0000 | 1373.8 | 1354.0 | 1334.3 | 1314.8 | 1276.5 | 1238.7 | 1201.5 |
| pentyl- | 0.4999 | 1364.8 | 1345.8 | 1326.9 | 1308.2 | 1271.3 | 1235.2 | 1199.6 |
| pentyl- | 1.0000 | 1385.4 | 1366.0 | 1346.7 | 1327.5 | 1289.9 | 1252.8 | 1216.2 |
| hexyl- | 0.1001 | 1364.7 | 1345.7 | 1326.8 | 1308.1 | 1271.3 | 1235.3 | 1199.8 |
| hexyl- | 0.2002 | 1365.4 | 1346.5 | 1327.6 | 1309.0 | 1272.4 | 1236.4 | 1200.9 |
| hexyl- | 0.3007 | 1366.6 | 1347.8 | 1328.9 | 1310.4 | 1273.9 | 1237.9 | 1202.5 |
| hexyl- | 0.4011 | 1368.4 | 1349.5 | 1330.7 | 1312.1 | 1275.6 | 1239.7 | 1204.3 |
| hexyl- | 0.5002 | 1370.6 | 1351.8 | 1333.0 | 1314.4 | 1277.9 | 1241.9 | 1206.5 |
| hexyl- | 0.5997 | 1373.4 | 1354.7 | 1335.8 | 1317.3 | 1280.8 | 1244.8 | 1209.4 |
| hexyl- | 0.6996 | 1377.2 | 1358.3 | 1339.5 | 1320.9 | 1284.3 | 1248.3 | 1212.8 |
| hexyl- | 0.8003 | 1381.8 | 1363.0 | 1344.1 | 1325.5 | 1288.9 | 1252.8 | 1217.2 |
| hexyl- | 0.8996 | 1387.6 | 1368.8 | 1349.8 | 1331.1 | 1294.4 | 1258.2 | 1222.5 |
| hexyl- | 1.0000 | 1394.9 | 1376.1 | 1357.0 | 1338.3 | 1301.4 | 1265.1 | 1229.2 |
| heptyl- | 0.4996 | 1376.9 | 1358.3 | 1339.5 | 1321.0 | 1284.7 | 1249.0 | 1213.7 |
| heptyl- | 1.0000 | 1405.8 | 1387.1 | 1368.4 | 1349.9 | 1313.5 | 1277.7 | 1242.4 |
| octyl- | 0.0000 | 1364.3 | 1345.3 | 1326.3 | 1307.5 | 1270.8 | 1234.7 | 1199.2 |
| octyl- | 0.1013 | 1367.2 | 1348.5 | 1329.5 | 1310.9 | 1274.3 | 1238.3 | 1202.8 |
| octyl- | 0.2002 | 1370.7 | 1351.9 | 1333.0 | 1314.4 | 1277.9 | 1242.0 | 1206.7 |
| octyl- | 0.3589 | 1376.9 | 1358.3 | 1339.5 | 1321.0 | 1284.7 | 1249.0 | 1213.7 |
| octyl- | 0.4554 | 1381.2 | 1362.8 | 1344.1 | 1325.6 | 1289.4 | 1253.6 | 1218.5 |
| octyl- | 0.5010 | 1383.7 | 1364.9 | 1346.2 | 1327.8 | 1291.6 | 1256.0 | 1220.8 |
| octyl- | 0.5999 | 1388.8 | 1370.2 | 1351.6 | 1333.2 | 1297.1 | 1261.5 | 1226.4 |
| octyl- | 0.7000 | 1394.6 | 1376.3 | 1357.7 | 1339.3 | 1303.2 | 1267.7 | 1232.7 |
| octyl- | 0.7998 | 1401.3 | 1382.7 | 1364.1 | 1345.8 | 1309.8 | 1274.3 | 1239.3 |
| octyl- | 0.8990 | 1408.6 | 1390.0 | 1371.4 | 1353.1 | 1317.1 | 1281.7 | 1246.7 |
| octyl- | 1.0000 | 1416.7 | 1398.4 | 1379.8 | 1361.5 | 1325.5 | 1290.1 | 1255.1 |
| decyl- | 0.4987 | 1394.5 | 1375.9 | 1357.4 | 1339.1 | 1303.0 | 1267.7 | 1232.9 |
| decyl- | 1.0000 | 1433.5 | 1415.2 | 1396.9 | 1378.9 | 1343.5 | 1308.7 | 1274.4 |
x1 is the mole fraction of an n-alkylbenzene (1) in pentadecane (2). The average pressure for these measurements was 0.102 MPa. Standard uncertainties are u(T) = 0.01 K and u(p) = 1 kPa, relative standard uncertainties are ur(c) = 0.0018 for n-octylbenzene and ur(c) = 0.0007 for all other mixtures and combined expanded uncertainty U(x1) = 0.0001 (level of confidence = 0.95, k = 2).
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- Dianne J. Luning Prak;
https://orcid.org/0000-0002-5589-7287
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Journal of Chemical & Engineering Data
Not subject to U.S. Copyright. Published 2025 by American Chemical Society. This publication is licensed under
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