- InChI
- InChI=1S/H2O2/c1-2/h1-2H
- InChI Key
- MHAJPDPJQMAIIY-UHFFFAOYSA-N
- Formula
- H2O2
- SMILES
- OO
- Molecular Weight1
- 34.01
- CAS
- 7722-84-1
- PAff : Proton affinity (kJ/mol).
- BasG : Gas basicity (kJ/mol).
- Cp,gas : Ideal gas heat capacity (J/mol×K).
- η : Dynamic viscosity (Pa×s).
- ΔfusH° : Enthalpy of fusion at standard conditions (kJ/mol).
- ΔvapH : Enthalpy of vaporization at a given temperature (kJ/mol).
- IE : Ionization energy (eV).
- logPoct/wat : Octanol/Water partition coefficient.
- McVol : McGowan's characteristic volume (ml/mol).
- Pc : Critical Pressure (kPa).
- Pvap : Vapor pressure (kPa).
- Tc : Critical Temperature (K).
- Tfus : Normal melting (fusion) point (K).
- 1: Molecular weight from the IUPAC atomic weights tables.
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Physical Properties
| Property | Value | Unit | Source |
|---|---|---|---|
| PAff | 674.50 | kJ/mol | NIST |
| BasG | 643.80 | kJ/mol | NIST |
| ΔfusH° | 3.93 | kJ/mol | Joback Calculated Property |
| IE | [10.54; 11.70] | eV |
|
| IE | 10.58 ± 0.04 | eV | NIST |
| IE | 10.62 | eV | NIST |
| IE | 10.54 | eV | NIST |
| IE | 10.92 ± 0.05 | eV | NIST |
| IE | 11.26 ± 0.05 | eV | NIST |
| IE | 11.70 | eV | NIST |
| IE | 11.69 | eV | NIST |
| logPoct/wat | 0.017 | Crippen Calculated Property | |
| McVol | 22.600 | ml/mol | McGowan Calculated Property |
| Pc | 22000.00 ± 2000.00 | kPa | NIST |
| Tc | 728.00 ± 15.00 | K | NIST |
| Tfus | 272.26 ± 0.30 | K | NIST |
Cheméo can also estimate Normal Boiling Point Temperature, Critical Volume, Enthalpy of formation at standard conditions, Enthalpy of vaporization at standard conditions, Standard Gibbs free energy of formation, Acentric Factor, Log10 of Water solubility in mol/l for this compound, but they fall outside the models' validated range, so they are not shown here. Open the prediction tool to compute them on demand.
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,gas | [36.06; 42.95] | J/mol×K | [383.96; 544.59] |
|
| Cp,gas | 36.06 | J/mol×K | 383.96 | Joback Calculated Property |
| Cp,gas | 37.30 | J/mol×K | 410.73 | Joback Calculated Property |
| Cp,gas | 38.50 | J/mol×K | 437.50 | Joback Calculated Property |
| Cp,gas | 39.67 | J/mol×K | 464.27 | Joback Calculated Property |
| Cp,gas | 40.80 | J/mol×K | 491.04 | Joback Calculated Property |
| Cp,gas | 41.89 | J/mol×K | 517.81 | Joback Calculated Property |
| Cp,gas | 42.95 | J/mol×K | 544.59 | Joback Calculated Property |
| η | [0.0003276; 0.9491944] | Pa×s | [211.40; 383.96] |
|
| η | 0.9491944 | Pa×s | 211.40 | Joback Calculated Property |
| η | 0.1134697 | Pa×s | 240.16 | Joback Calculated Property |
| η | 0.0213656 | Pa×s | 268.92 | Joback Calculated Property |
| η | 0.0055548 | Pa×s | 297.68 | Joback Calculated Property |
| η | 0.0018311 | Pa×s | 326.44 | Joback Calculated Property |
| η | 0.0007224 | Pa×s | 355.20 | Joback Calculated Property |
| η | 0.0003276 | Pa×s | 383.96 | Joback Calculated Property |
| ΔvapH | 48.50 | kJ/mol | 320.00 | NIST |
Correlations
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Pvap | [0.04; 21682.82] | kPa | [272.74; 730.15] |
The Yaws Handbook of Vapor Pressure
|
| Equation | ln(Pvp) = A + B/(T + C) | |||
| Coefficient A | 1.65781e+01 | |||
| Coefficient B | -4.50888e+03 | |||
| Coefficient C | -4.63500e+01 | |||
| Temperature range, min. | 272.74 | |||
| Temperature range, max. | 730.15 | |||
| Pvap | 0.04 | kPa | 272.74 | Calculated Property |
| Pvap | 1.37 | kPa | 323.56 | Calculated Property |
| Pvap | 17.00 | kPa | 374.39 | Calculated Property |
| Pvap | 107.44 | kPa | 425.21 | Calculated Property |
| Pvap | 439.06 | kPa | 476.03 | Calculated Property |
| Pvap | 1332.13 | kPa | 526.86 | Calculated Property |
| Pvap | 3268.57 | kPa | 577.68 | Calculated Property |
| Pvap | 6856.53 | kPa | 628.50 | Calculated Property |
| Pvap | 12769.79 | kPa | 679.33 | Calculated Property |
| Pvap | 21682.82 | kPa | 730.15 | Calculated Property |
| Pvap | [0.11; 27.20] | kPa | [288.15; 390.15] |
KDB Vapor Pressure Data
|
| Equation | ln(Pvp) = A + B/T + C*ln(T) + D*T^2 | |||
| Coefficient A | 2.92300e+02 | |||
| Coefficient B | -1.71883e+04 | |||
| Coefficient C | -4.20336e+01 | |||
| Coefficient D | 3.84603e-05 | |||
| Temperature range, min. | 288.15 | |||
| Temperature range, max. | 390.15 | |||
| Pvap | 0.11 | kPa | 288.15 | Calculated Property |
| Pvap | 0.27 | kPa | 299.48 | Calculated Property |
| Pvap | 0.59 | kPa | 310.82 | Calculated Property |
| Pvap | 1.21 | kPa | 322.15 | Calculated Property |
| Pvap | 2.31 | kPa | 333.48 | Calculated Property |
| Pvap | 4.14 | kPa | 344.82 | Calculated Property |
| Pvap | 7.06 | kPa | 356.15 | Calculated Property |
| Pvap | 11.49 | kPa | 367.48 | Calculated Property |
| Pvap | 17.97 | kPa | 378.82 | Calculated Property |
| Pvap | 27.20 | kPa | 390.15 | Calculated Property |
Similar Compounds
Find more compounds similar to hydrogen peroxide.
Mixtures
Sources
- KDB Vapor Pressure Data
- Crippen Method
- Crippen Method
- Solubility and Phase Diagram for the Ternary Sodium Oxalate + Hydrogen Peroxide + Water System at (283.15 and 293.15) K
- Joback Method
- KDB
- McGowan Method
- NIST Webbook
- The Yaws Handbook of Vapor Pressure
Note: Cheméo is only indexing the data, follow the source links to retrieve the latest data. The source is also providing more information like the publication year, authors and more.
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