Contents • • • • • • • • • Material Safety Data Sheet [ ] The handling of this chemical may incur notable safety precautions. It is highly recommended that you seek the Material Safety Datasheet () for this chemical from a reliable source such as, and follow its directions. MSDS is available at, and Structure and properties [ ] Structure and properties, n D 1.328 at 20 °C, ε r 32.66 at 20 °C 5.3×10 −7 cm 3g −1 22.5 dyn/cm at 20 °C 0.808 mPas at 0 °C 0.690 mPas at 10 °C 0.593 mPas at 20 °C 0.449 mPas at 40 °C 0.349 mPas at 60 °C Thermodynamic properties [ ] Phase behavior 175.5 K (−97.7 °C), 1.8610 -1 Pa 513 K (240 °C), 78.5 atm, Δ fus H o 3.1773 kJ/mol, Δ fus S o 18.1 J/(molK), Δ vap H o +38.278 kJ/mol, Δ vap S o 113 J/(molK) Solid properties, Δ f H o solid? KJ/mol, S o solid? Discrete mathematics for computing rod hagerty pdf download 2017. J/(mol K), c p? J/(mol K) Liquid properties, Δ f H o liquid −238.4 kJ/mol, S o liquid 127.2 J/(mol K) Δ c H o −715.0 kJ/mol, c p 70.8 - 90.5 J/(mol K) (at −97.6 to 64.7 °C) 79.9 J/(mol K) at 20°C Gas properties, Δ f H o gas −201.3 kJ/mol, S o gas 239.9 J/(mol K), c p 52.29 J/(mol K) at 77 °C 61.43 J/(mol K) at 100–223 °C, γ = c p/ c v 1.203 at 77 °C a = 964.9 L 2 kPa/mol 2 b = 0.06702 liter per mole Spectral data [ ]?, ε?
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Major absorption bands (liquid film) Wave number transmittance 3347 cm −1 6% 3336 cm −1 8% 2945 cm −1 18% 2833 cm −1 22% 2522 cm −1 77% 2046 cm −1 84% 1460 cm −1 47% 1116 cm −1 62% 1030 cm −1 4% 662 cm −1 58% 3.97 ppm, 3.417 ppm 50.05 ppm Other NMR data Masses of main fragments Vapor pressure of liquid [ ] P in mm Hg 1 10 40 90 400 760 1520 3800 7600 0 45600 T in °C −44.0 −16.2 5.0 21.2 49.9 64.7 84.0 112.5 138.0 167.8 203.5 224.0 Table data obtained from CRC Handbook of Chemistry and Physics 44th ed. Properties of aqueous methanol solutions [ ] Data obtained from Lange's Handbook of Chemistry, 10th ed.
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And CRC Handbook of Chemistry and Physics 44th ed. The annotation, d a°C/ b°C, indicates density of solution at temperature a divided by density of pure water at temperature b known as specific gravity.
Distillation data [ ] Vapor–liquid equilibrium of methanol/water P = 760 mm Hg; T = 72.4 °C − 100.0 °C BP temp. °C% by mole methanol liquid vapor 100.00 0.0 0.0 99.25 0.5840 4.5705 96.9 1.2 11.4 95.7 2.6 15.7 92.2 5.0 29.3 90.15 7.38 36.65 87.5 10.2 43.0 86.50 11.76 48.55 84.8 14.0 51.4 84.3 15.0 52.2 82.9 17.5 56.0 81.5 20.0 59.0 78.0 30.0 67.5 75.4 40.0 73.5 73.7 47.3 76.5 72.6 52.6 79.4 72.4 54.0 80.1 Vapor–liquid equilibrium of methanol/water P = 760 mm Hg; T = 64.6 °C − 72.0 °C BP temp. °C% by mole methanol liquid vapor 72.0 56.5 80.5 71.5 58.5 81.6 71.4 60.0 83.1 70.6 66.2 85.7 69.9 67.5 86.5 69.6 70.0 87.4 69.1 71.4 87.8 67.8 80.0 91.8 66.9 85.0 93.0 66.50 88.08 94.17 66.2 89.0 95.6 66.1 90.0 96.1 65.7 92.0 96.5 65.4 95.0 98.1 64.95 96.57 95.69 64.70 98.71 97.78 64.6 100.0 100.0 Vapor–liquid equilibrium of methanol/ethanol P = 760 mm Hg BP temp. °C% by mole methanol liquid vapor 78.3 0.0 0.0 76.6 13.4 18.3 75.0 24.2 32.6 73.6 32.0 42.8 72.3 40.1 52.9 71.7 43.5 56.6 70.0 54.2 67.6 68.6 65.2 75.9 67.7 72.8 81.3 66.9 79.0 85.8 66.6 81.4 87.5 65.8 87.3 91.9 65.6 91.0 93.7 64.6 100.0 100.0 References [ ]. • Lange's Handbook of Chemistry, 10th ed. • • GmbH, DDBST.
Retrieved 2018-08-10. • ^ Lange's Handbook of Chemistry 10th ed, pp. 1525–1528. • ^ CRC Handbook of Chemistry and Physics 44th ed. • Lange's Handbook of Chemistry 10th ed, pp. 1522–1524.