Chemical Properties of 2-Methyl-1,2-propanediamine (CAS 811-93-8)

2-Methyl-1,2-propanediamine

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InChI
InChI=1S/C4H12N2/c1-4(2,6)3-5/h3,5-6H2,1-2H3
InChI Key
OPCJOXGBLDJWRM-UHFFFAOYSA-N
Formula
C4H12N2
SMILES
CC(C)(N)CN
Molecular Weight1
88.15
CAS
811-93-8
Other Names
  • 1,2-Diamino-2-methylpropane
  • 1,2-Propanediamine, 2-methyl-
  • 2-methylpropylenediamine
  • Methyl-2 propanediamine-1,2
Sources

Physical Properties

Property Value Unit Source
Δcliquid -3155.10 ± 0.59 kJ/mol NIST
Δf 118.54 kJ/mol Joback Calculated Property
Δfgas -90.25 ± 0.71 kJ/mol NIST
Δfliquid -134.00 ± 0.67 kJ/mol NIST
Δfus 9.10 kJ/mol Joback Calculated Property
Δvap [43.50; 43.80] kJ/mol Show Hide
Δvap 43.60 ± 0.20 kJ/mol NIST
Δvap 43.50 ± 0.20 kJ/mol NIST
Δvap 43.60 ± 0.20 kJ/mol NIST
Δvap 43.80 kJ/mol NIST
logPoct/wat -0.318 Crippen Calculated Property
Pc 4634.00 kPa Joback Calculated Property
liquid 259.53 J/mol×K NIST
Tboil 432.75 K Joback Calculated Property
Tc 643.66 K Joback Calculated Property
Tfus 303.78 K Joback Calculated Property
Ttriple 256.10 ± 0.20 K NIST
Vc 0.306 m3/kg-mol Joback Calculated Property

Temperature Dependent Properties

Property Value Unit Temperature (K) Source
Cp,gas 187.72 J/mol×K 432.75 Joback Calculated Property
Cp,liquid 234.56 J/mol×K 298.15 NIST
ΔfusH 15.46 kJ/mol 237.5 NIST
ΔfusH 2.23 kJ/mol 256.1 NIST
ΔvapH 47.20 kJ/mol 274.5 NIST
ΔfusS 65.11 J/mol×K 237.5 NIST
ΔfusS 8.71 J/mol×K 256.1 NIST

Molecular Descriptors

Joback and Reid Groups
-CH2- 1
-CH3 2
>C< 1
-NH2 2

Similar Compounds

1,2-Propanediamine. 1,2-Diaminopropane. 2-Propanamine, 2-methyl-. 1-Propanamine, 2-methyl-. Tert-butyl amine hydrochloride. T-butylamine, compound with boron trihydride. 2,3-Diamino-2,3-Dimethylbutane. 1-Propanamine, n,2-dimethyl-. Aziridine, 2,2-dimethyl-. 2-Butanamine, 3-methyl-. 2-Methyl-2-aminobutane. Neopentylamine. Hydrazine, (1,1-dimethylethyl)-. N-tert-butylmethylamine. 1-Propanamine, N-ethyl-2-methyl.

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