- InChI
- InChI=1S/S
- InChI Key
- NINIDFKCEFEMDL-UHFFFAOYSA-N
- Formula
- S
- SMILES
- [S]
- Molecular Weight1
- 32.06
- CAS
- 7704-34-9
- Other Names
-
- Insoluble sulfur
- Sulfur atom
- Sulphur
- ω : Acentric Factor.
- PAff : Proton affinity (kJ/mol).
- BasG : Gas basicity (kJ/mol).
- EA : Electron affinity (eV).
- ΔfG° : Standard Gibbs free energy of formation (kJ/mol).
- ΔfH°gas : Enthalpy of formation at standard conditions (kJ/mol).
- IE : Ionization energy (eV).
- Pc : Critical Pressure (kPa).
- Pvap : Vapor pressure (kPa).
- ρc : Critical density (kg/m3).
- ρl : Liquid Density (kg/m3).
- S°gas,1 bar : Molar entropy at standard conditions (1 bar) (J/mol×K).
- S°solid,1 bar : Solid phase molar entropy at standard conditions (J/mol×K).
- Tboil : Normal Boiling Point Temperature (K).
- Tc : Critical Temperature (K).
- Tfus : Normal melting (fusion) point (K).
- Ttriple : Triple Point Temperature (K).
- 1: Molecular weight from the IUPAC atomic weights tables.
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Physical Properties
| Property | Value | Unit | Source |
|---|---|---|---|
| ω | 0.1710 | KDB | |
| PAff | 664.30 | kJ/mol | NIST |
| BasG | 640.20 | kJ/mol | NIST |
| EA | [2.02; 2.08] | eV |
|
| EA | 2.02 ± 0.00 | eV | NIST |
| EA | 2.08 ± 0.00 | eV | NIST |
| EA | 2.07 ± 0.13 | eV | NIST |
| EA | 2.08 ± 0.00 | eV | NIST |
| ΔfG° | 238.60 | kJ/mol | KDB |
| ΔfH°gas | [277.17; 279.20] | kJ/mol |
|
| ΔfH°gas | 279.20 | kJ/mol | KDB |
| ΔfH°gas | 277.17 ± 0.15 | kJ/mol | NIST |
| IE | [10.30; 11.00] | eV |
|
| IE | 10.36 | eV | NIST |
| IE | 10.36 | eV | NIST |
| IE | 10.36 | eV | NIST |
| IE | 10.36 | eV | NIST |
| IE | 10.40 ± 0.30 | eV | NIST |
| IE | 10.40 ± 0.30 | eV | NIST |
| IE | 10.36 | eV | NIST |
| IE | 10.50 ± 0.30 | eV | NIST |
| IE | 10.50 | eV | NIST |
| IE | 10.50 ± 0.30 | eV | NIST |
| IE | 10.50 ± 0.30 | eV | NIST |
| IE | 10.30 ± 0.30 | eV | NIST |
| IE | 10.36 | eV | NIST |
| IE | Outlier 11.00 ± 0.50 | eV | NIST |
| Pc | [18208.10; 20700.00] | kPa |
|
| Pc | 20700.00 | kPa | KDB |
| Pc | 18208.10 ± 18.18 | kPa | NIST |
| ρc | 564.34 ± 5.61 | kg/m3 | NIST |
| S°gas,1 bar | 167.83 ± 0.01 | J/mol×K | NIST |
| S°solid,1 bar | 32.05 ± 0.05 | J/mol×K | NIST |
| Tboil | 717.75 | K | KDB |
| Tc | [1313.00; 1314.00] | K |
|
| Tc | 1314.00 | K | KDB |
| Tc | 1313.00 ± 1.31 | K | NIST |
| Tfus | 388.36 | K | KDB |
| Ttriple | 388.33 | K | KDB |
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| ρl | [1717.47; 1848.86] | kg/m3 | [334.30; 507.30] |
|
| ρl | 1848.86 | kg/m3 | 334.30 | Density... |
| ρl | 1848.17 | kg/m3 | 335.30 | Density... |
| ρl | 1847.82 | kg/m3 | 336.30 | Density... |
| ρl | 1846.09 | kg/m3 | 337.30 | Density... |
| ρl | 1844.88 | kg/m3 | 338.30 | Density... |
| ρl | 1844.36 | kg/m3 | 339.40 | Density... |
| ρl | 1842.46 | kg/m3 | 340.40 | Density... |
| ρl | 1841.94 | kg/m3 | 341.40 | Density... |
| ρl | 1841.42 | kg/m3 | 342.50 | Density... |
| ρl | 1839.87 | kg/m3 | 343.50 | Density... |
| ρl | 1839.87 | kg/m3 | 344.50 | Density... |
| ρl | 1838.15 | kg/m3 | 346.60 | Density... |
| ρl | 1837.81 | kg/m3 | 348.60 | Density... |
| ρl | 1835.41 | kg/m3 | 350.80 | Density... |
| ρl | 1833.18 | kg/m3 | 352.80 | Density... |
| ρl | 1830.97 | kg/m3 | 354.80 | Density... |
| ρl | 1829.77 | kg/m3 | 356.90 | Density... |
| ρl | 1828.24 | kg/m3 | 358.90 | Density... |
| ρl | 1823.16 | kg/m3 | 361.00 | Density... |
| ρl | 1823.16 | kg/m3 | 363.10 | Density... |
| ρl | 1821.81 | kg/m3 | 365.10 | Density... |
| ρl | 1821.14 | kg/m3 | 367.30 | Density... |
| ρl | 1817.43 | kg/m3 | 369.30 | Density... |
| ρl | 1815.76 | kg/m3 | 371.30 | Density... |
| ρl | 1813.41 | kg/m3 | 373.40 | Density... |
| ρl | 1810.74 | kg/m3 | 375.40 | Density... |
| ρl | 1809.08 | kg/m3 | 377.50 | Density... |
| ρl | 1808.41 | kg/m3 | 379.50 | Density... |
| ρl | 1807.08 | kg/m3 | 381.60 | Density... |
| ρl | 1804.76 | kg/m3 | 383.80 | Density... |
| ρl | 1801.46 | kg/m3 | 385.80 | Density... |
| ρl | 1798.16 | kg/m3 | 387.80 | Density... |
| ρl | 1795.87 | kg/m3 | 389.90 | Density... |
| ρl | 1794.55 | kg/m3 | 391.90 | Density... |
| ρl | 1792.92 | kg/m3 | 394.00 | Density... |
| ρl | 1789.33 | kg/m3 | 396.10 | Density... |
| ρl | 1788.19 | kg/m3 | 398.10 | Density... |
| ρl | 1787.06 | kg/m3 | 400.20 | Density... |
| ρl | 1784.95 | kg/m3 | 402.20 | Density... |
| ρl | 1782.84 | kg/m3 | 404.30 | Density... |
| ρl | 1780.59 | kg/m3 | 406.40 | Density... |
| ρl | 1778.65 | kg/m3 | 408.40 | Density... |
| ρl | 1777.37 | kg/m3 | 410.50 | Density... |
| ρl | 1777.05 | kg/m3 | 412.50 | Density... |
| ρl | 1774.16 | kg/m3 | 414.60 | Density... |
| ρl | 1770.65 | kg/m3 | 416.70 | Density... |
| ρl | 1770.01 | kg/m3 | 418.70 | Density... |
| ρl | 1766.51 | kg/m3 | 420.80 | Density... |
| ρl | 1768.10 | kg/m3 | 422.80 | Density... |
| ρl | 1765.25 | kg/m3 | 424.90 | Density... |
| ρl | 1762.40 | kg/m3 | 426.90 | Density... |
| ρl | 1761.77 | kg/m3 | 429.10 | Density... |
| ρl | 1760.03 | kg/m3 | 431.00 | Density... |
| ρl | 1759.56 | kg/m3 | 433.10 | Density... |
| ρl | 1759.25 | kg/m3 | 435.10 | Density... |
| ρl | 1757.99 | kg/m3 | 437.30 | Density... |
| ρl | 1756.73 | kg/m3 | 439.30 | Density... |
| ρl | 1755.79 | kg/m3 | 441.30 | Density... |
| ρl | 1757.05 | kg/m3 | 443.40 | Density... |
| ρl | 1756.11 | kg/m3 | 445.40 | Density... |
| ρl | 1754.85 | kg/m3 | 447.50 | Density... |
| ρl | 1751.57 | kg/m3 | 449.60 | Density... |
| ρl | 1751.57 | kg/m3 | 451.60 | Density... |
| ρl | 1751.10 | kg/m3 | 453.80 | Density... |
| ρl | 1749.55 | kg/m3 | 455.80 | Density... |
| ρl | 1747.68 | kg/m3 | 457.80 | Density... |
| ρl | 1748.21 | kg/m3 | 459.90 | Density... |
| ρl | 1746.13 | kg/m3 | 461.90 | Density... |
| ρl | 1744.89 | kg/m3 | 464.00 | Density... |
| ρl | 1743.04 | kg/m3 | 466.00 | Density... |
| ρl | 1740.57 | kg/m3 | 468.10 | Density... |
| ρl | 1742.73 | kg/m3 | 470.30 | Density... |
| ρl | 1739.95 | kg/m3 | 472.30 | Density... |
| ρl | 1740.57 | kg/m3 | 474.30 | Density... |
| ρl | 1739.65 | kg/m3 | 476.30 | Density... |
| ρl | 1737.49 | kg/m3 | 478.40 | Density... |
| ρl | 1737.95 | kg/m3 | 480.40 | Density... |
| ρl | 1736.88 | kg/m3 | 481.50 | Density... |
| ρl | 1735.96 | kg/m3 | 482.50 | Density... |
| ρl | 1735.35 | kg/m3 | 483.50 | Density... |
| ρl | 1736.88 | kg/m3 | 484.60 | Density... |
| ρl | 1734.74 | kg/m3 | 485.60 | Density... |
| ρl | 1730.46 | kg/m3 | 486.60 | Density... |
| ρl | 1731.83 | kg/m3 | 487.80 | Density... |
| ρl | 1731.68 | kg/m3 | 488.80 | Density... |
| ρl | 1728.64 | kg/m3 | 489.80 | Density... |
| ρl | 1728.94 | kg/m3 | 490.80 | Density... |
| ρl | 1728.64 | kg/m3 | 491.80 | Density... |
| ρl | 1727.73 | kg/m3 | 492.80 | Density... |
| ρl | 1727.12 | kg/m3 | 493.80 | Density... |
| ρl | 1727.58 | kg/m3 | 494.90 | Density... |
| ρl | 1728.03 | kg/m3 | 495.90 | Density... |
| ρl | 1726.67 | kg/m3 | 496.90 | Density... |
| ρl | 1725.30 | kg/m3 | 498.00 | Density... |
| ρl | 1724.70 | kg/m3 | 499.00 | Density... |
| ρl | 1723.49 | kg/m3 | 500.00 | Density... |
| ρl | 1724.09 | kg/m3 | 501.00 | Density... |
| ρl | 1722.89 | kg/m3 | 502.10 | Density... |
| ρl | 1721.98 | kg/m3 | 503.10 | Density... |
| ρl | 1721.53 | kg/m3 | 504.10 | Density... |
| ρl | 1719.87 | kg/m3 | 505.30 | Density... |
| ρl | 1720.17 | kg/m3 | 506.30 | Density... |
| ρl | 1717.47 | kg/m3 | 507.30 | Density... |
Correlations
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Pvap | [1.44e-03; 100.20] | kPa | [375.15; 717.15] |
The Yaw...
|
| Equation | ln(Pvp) = A + B/(T + C) | |||
| Coefficient A | 1.60978e+01 | |||
| Coefficient B | -7.97842e+03 | |||
| Coefficient C | -2.28100e+01 | |||
| Temperature range, min. | 375.15 | |||
| Temperature range, max. | 717.15 | |||
| Pvap | 1.44e-03 | kPa | 375.15 | Calculated Property |
| Pvap | 0.01 | kPa | 413.15 | Calculated Property |
| Pvap | 0.08 | kPa | 451.15 | Calculated Property |
| Pvap | 0.36 | kPa | 489.15 | Calculated Property |
| Pvap | 1.32 | kPa | 527.15 | Calculated Property |
| Pvap | 4.00 | kPa | 565.15 | Calculated Property |
| Pvap | 10.49 | kPa | 603.15 | Calculated Property |
| Pvap | 24.41 | kPa | 641.15 | Calculated Property |
| Pvap | 51.52 | kPa | 679.15 | Calculated Property |
| Pvap | 100.20 | kPa | 717.15 | Calculated Property |
Mixtures
- sulfur + Hydrogen sulfide
- Toluene + sulfur
- p-Xylene + sulfur
- sulfur + Benzene, chloro-
- sulfur + Cyclohexane
- Methane + sulfur
Sources
- The solubility of H2S in liquid sulfur
- The diffusion coefficient of H2S in liquid sulfur
- Solubility of elemental sulfur in pure organic solvents and organic solvent-ionic liquid mixtures from 293.15 to 353.15 K
- Thermochemical studies of three bis(O-alkyl-N-benzoylthiocarbamato)nickel(II) complexes
- Standard molar enthalpies of formation of two crystalline bis[N-(diethylaminothiocarbonyl)benzamidinato]nickel(II) complexes
- Standard molar enthalpies of formation of copper(II) beta-diketonates and monothio-beta-diketonates
- Determination of the energies of combustion and enthalpies of formation of nitrobenzenesulfonamides by rotating-bomb combustion calorimetry
- Energetic and structural properties of 4-nitro-2,1,3-benzothiadiazole
- Experimental redetermination of the gas-phase enthalpy of formation of ethyl 2-thiophenecarboxylate
- Gibbs free energy of formation of rhodium sulfides
- Experimentally determined thermodynamic properties of schapbachite (a-AgBiS2) below T = 700 K
- Enthalpy of formation of natural hydrous copper sulfate: Chalcanthite
- Thermodynamic study in the Ag-Sb-S system by the EMF method
- Experimental and computational thermochemical study of two fluorobenzazoles: 5-fluoro-2-methylbenzoxazole and 5-fluoro-2-methylbenzothiazole
- Density of molten sulfur in the 334 508K range
- Experimental Studies of Solubility of Elemental Sulfur in Methane at 363.15 K for Pressure Ranging from (4 to 25) MPa
- KDB
- NIST Webbook
- The Yaws Handbook of Vapor Pressure
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Outlier This icon means
that the value is more than 2 standard deviations away from the
property mean.