Chemical Properties of Hydrazine, 1,1-dimethyl- (CAS 57-14-7)

Hydrazine, 1,1-dimethyl-

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InChI
InChI=1S/C2H8N2/c1-4(2)3/h3H2,1-2H3
InChI Key
RHUYHJGZWVXEHW-UHFFFAOYSA-N
Formula
C2H8N2
SMILES
CN(C)N
Molecular Weight1
60.10
CAS
57-14-7
Other Names
  • (CH3)2NNH2
  • 1,1-Dimethylhydrazin
  • 1,1-Dimethylhydrazine
  • Dimazin
  • Dimazine
  • Dimethylhydrazine, unsym.
  • Dimethylhydrazine, unsymmetrical
  • Hydrazine, N,N-dimethyl-
  • N,N-Dimethylhydrazine
  • NSC 60517
  • Niesymetryczna dwu metylohydrazyna
  • Rcra waste number U098
  • UDMH
  • UN 1163
  • Unsym-dimethylhydrazine
  • Unsymmetrical dimethylhydrazine
  • as-Dimethylhydrazine
  • asymmetric Dimethylhydrazine
  • gem-Dimethylhydrazine
  • u-Dimethylhydrazine
  • uns-Dimethylhydrazine
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Physical Properties

Property Value Unit Source
PAff 927.10 kJ/mol NIST
BasG 894.70 kJ/mol NIST
Δcliquid [-1979.70; -1978.70] kJ/mol Show Hide
Δcliquid -1978.70 ± 3.60 kJ/mol NIST
Δcliquid -1979.70 ± 2.90 kJ/mol NIST
Δf 143.19 kJ/mol Joback Calculated Property
Δfgas 83.30 ± 3.60 kJ/mol NIST
Δfliquid 48.30 ± 3.60 kJ/mol NIST
Δfus 9.15 kJ/mol Joback Calculated Property
Δvap [35.00; 35.22] kJ/mol Show Hide
Δvap 35.22 kJ/mol NIST
Δvap 35.00 ± 0.20 kJ/mol NIST
IE [7.29; 8.88] eV Show Hide
IE 7.29 ± 0.05 eV NIST
IE 7.29 ± 0.05 eV NIST
IE 8.05 ± 0.05 eV NIST
IE 8.28 eV NIST
IE 7.67 ± 0.05 eV NIST
IE 7.46 ± 0.02 eV NIST
IE 8.10 ± 0.10 eV NIST
IE 8.82 eV NIST
IE 8.85 eV NIST
IE 8.88 eV NIST
IE 8.88 eV NIST
log10WS 0.35 Crippen Calculated Property
logPoct/wat -0.578 Crippen Calculated Property
McVol 59.000 ml/mol McGowan Calculated Property
Pc 5446.55 kPa Joback Calculated Property
Inp 527.00 NIST
liquid 200.25 J/mol×K NIST
Tboil [336.20; 337.10] K Show Hide
Tboil 337.10 K NIST
Tboil 336.20 K NIST
Tc 510.91 K Joback Calculated Property
Tfus 216.00 ± 1.50 K NIST
Ttriple 215.95 ± 0.02 K NIST
Vc 0.195 m3/kmol Joback Calculated Property

Temperature Dependent Properties

Property Value Unit Temperature (K) Source
Cp,gas [98.13; 136.06] J/mol×K [330.13; 510.91] Show Hide
Cp,gas 98.13 J/mol×K 330.13 Joback Calculated Property
Cp,gas 105.21 J/mol×K 360.26 Joback Calculated Property
Cp,gas 111.98 J/mol×K 390.39 Joback Calculated Property
Cp,gas 118.44 J/mol×K 420.52 Joback Calculated Property
Cp,gas 124.59 J/mol×K 450.65 Joback Calculated Property
Cp,gas 130.47 J/mol×K 480.78 Joback Calculated Property
Cp,gas 136.06 J/mol×K 510.91 Joback Calculated Property
Cp,liquid 164.05 J/mol×K 298.15 NIST
ΔfusH [10.07; 10.07] kJ/mol [215.95; 216.00] Show Hide
ΔfusH 10.07 kJ/mol 215.95 NIST
ΔfusH 10.07 kJ/mol 216.00 NIST
ΔfusH 10.07 kJ/mol 216.00 NIST
ΔvapH [32.55; 36.50] kJ/mol [265.00; 336.20] Show Hide
ΔvapH 36.50 kJ/mol 265.00 NIST
ΔvapH 34.10 kJ/mol 285.00 NIST
ΔvapH 35.00 kJ/mol 298.15 NIST
ΔvapH 32.55 kJ/mol 336.20 NIST
ΔfusS 46.64 J/mol×K 215.95 NIST
ΔvapS 117.40 J/mol×K 298.15 NIST

Pressure Dependent Properties

Property Value Unit Pressure (kPa) Source
Tboilr 336.20 K 100.00 NIST

Correlations

Property Value Unit Temperature (K) Source
Pvap [1.33; 202.65] kPa [251.67; 358.06] The Yaw... Show Hide
Equationln(Pvp) = A + B/(T + C)
Coefficient A1.47388e+01
Coefficient B-2.88502e+03
Coefficient C-5.20320e+01
Temperature range, min.251.67
Temperature range, max.358.06
Pvap 1.33 kPa 251.67 Calculated Property
Pvap 2.99 kPa 263.49 Calculated Property
Pvap 6.16 kPa 275.31 Calculated Property
Pvap 11.79 kPa 287.13 Calculated Property
Pvap 21.22 kPa 298.95 Calculated Property
Pvap 36.19 kPa 310.78 Calculated Property
Pvap 58.90 kPa 322.60 Calculated Property
Pvap 92.04 kPa 334.42 Calculated Property
Pvap 138.75 kPa 346.24 Calculated Property
Pvap 202.65 kPa 358.06 Calculated Property

Similar Compounds

2,2-Dimethylhydrazyl radical. Hydrazine, trimethyl-. N-Nitrosodimethylamine. Dimethylamine, n-nitroso-, d6. Tetramethylhydrazine. Formaldehyde, dimethylhydrazone. 2-Tetrazene, 1,1,4,4-tetramethyl-. Hydrazine, methyl-. Methanamine, N-methyl-N-nitro-. 1,2-Dimethyldiaziridine. Hydrazine, 1,2-dimethyl-. Dimethylfluoroamine. Acetaldehyde, dimethylhydrazone. CH2NHCH3. Dimethylamine.

Find more compounds similar to Hydrazine, 1,1-dimethyl-.

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