Chemical Properties of Hydrazine (CAS 302-01-2)

Hydrazine

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InChI
InChI=1S/H4N2/c1-2/h1-2H2
InChI Key
OAKJQQAXSVQMHS-UHFFFAOYSA-N
Formula
H4N2
SMILES
NN
Molecular Weight1
32.05
CAS
302-01-2
Other Names
  • DIAMIDE
  • DIAMIDE HYDRATE
  • Diamine
  • Hydrazine base
  • Hydrazine, anhydrous
  • Hydrazyna
  • LEVOXINE
  • N2H4
  • Nitrogen hydride, (N2H4)
  • Oxytreat 35
  • Rcra waste number U133
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Physical Properties

Property Value Unit Source
ω 0.3160 KDB
PAff 853.20 kJ/mol NIST
BasG 822.40 kJ/mol NIST
Δcgas -622.08 kJ/mol NIST
μ 3.00 debye KDB
Δf 158.60 kJ/mol KDB
Δfgas [50.42; 150.00] kJ/mol Show Hide
Δfgas 95.25 kJ/mol KDB
Δfgas 150.00 ± 8.00 kJ/mol NIST
Δfgas 50.42 kJ/mol NIST
Δfus 6.15 kJ/mol Joback Calculated Property
Δvap 36.88 kJ/mol Joback Calculated Property
IE [8.10; 10.68] eV Show Hide
IE 8.10 ± 0.15 eV NIST
IE 8.10 ± 0.15 eV NIST
IE 8.93 ± 0.05 eV NIST
IE 8.93 eV NIST
IE 8.80 eV NIST
IE 8.74 ± 0.06 eV NIST
IE 8.36 ± 0.03 eV NIST
IE 9.00 ± 0.10 eV NIST
IE 9.56 ± 0.02 eV NIST
IE 8.98 ± 0.05 eV NIST
IE Outlier 10.68 eV NIST
IE 9.90 eV NIST
IE 9.91 eV NIST
IE 10.07 eV NIST
log10WS 0.32 Crippen Calculated Property
logPoct/wat -1.181 Crippen Calculated Property
McVol 30.820 ml/mol McGowan Calculated Property
NFPA Fire 3 KDB
NFPA Health 3 KDB
NFPA Safety 2 KDB
Pc 14700.00 kPa KDB
Tboil [386.40; 386.95] K Show Hide
Tboil 386.70 K KDB
Tboil 386.65 ± 0.50 K NIST
Tboil 386.40 ± 1.00 K NIST
Tboil 386.95 ± 0.50 K NIST
Tc 653.00 K KDB
Tfus [274.50; 275.15] K Show Hide
Tfus 274.50 K KDB
Tfus 275.00 ± 1.50 K NIST
Tfus 274.65 ± 0.50 K NIST
Tfus 275.15 ± 1.00 K NIST
Ttriple [274.56; 274.69] K Show Hide
Ttriple 274.56 ± 0.10 K NIST
Ttriple 274.69 ± 0.05 K NIST
Vc 0.093 m3/kmol Joback Calculated Property
Zra 0.26 KDB

Temperature Dependent Properties

Property Value Unit Temperature (K) Source
Cp,gas [52.79; 68.66] J/mol×K [344.46; 548.03] Show Hide
Cp,gas 52.79 J/mol×K 344.46 Joback Calculated Property
Cp,gas 55.72 J/mol×K 378.39 Joback Calculated Property
Cp,gas 58.53 J/mol×K 412.32 Joback Calculated Property
Cp,gas 61.23 J/mol×K 446.25 Joback Calculated Property
Cp,gas 63.81 J/mol×K 480.18 Joback Calculated Property
Cp,gas 66.29 J/mol×K 514.11 Joback Calculated Property
Cp,gas 68.66 J/mol×K 548.03 Joback Calculated Property
ΔvapH 44.50 kJ/mol 320.50 NIST
ρl 1008.00 kg/m3 293.00 KDB

Correlations

Property Value Unit Temperature (K) Source
Pvap [0.41; 14728.39] kPa [274.68; 653.15] The Yaw... Show Hide
Equationln(Pvp) = A + B/(T + C)
Coefficient A1.60114e+01
Coefficient B-3.91113e+03
Coefficient C-4.33600e+01
Temperature range, min.274.68
Temperature range, max.653.15
Pvap 0.41 kPa 274.68 Calculated Property
Pvap 5.50 kPa 316.73 Calculated Property
Pvap 37.03 kPa 358.78 Calculated Property
Pvap 159.25 kPa 400.84 Calculated Property
Pvap 503.75 kPa 442.89 Calculated Property
Pvap 1279.63 kPa 484.94 Calculated Property
Pvap 2764.06 kPa 526.99 Calculated Property
Pvap 5278.37 kPa 569.05 Calculated Property
Pvap 9158.67 kPa 611.10 Calculated Property
Pvap 14728.39 kPa 653.15 Calculated Property

Similar Compounds

H2N2O. H2N-NO2. Amino radical. NH2+. Ammonia. Ammonia-d3. NH4+. CHLORAMINE. Ethylidene,diazo. Hydrazine, methyl-. Formic acid hydrazide. Methylene, 1-amino-. CH2NH2. Phosphoramidous difluoride. Cyanamide.

Find more compounds similar to Hydrazine.

Sources

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Outlier This icon means that the value is more than 2 standard deviations away from the property mean.