Chemical Properties of Phosphine, methyl- (CAS 593-54-4)

InChI

InChI=1S/CH5P/c1-2/h2H2,1H3

InChI Key

SAWKFRBJGLMMES-UHFFFAOYSA-N

Formula

CH5P

SMILES

CP

Molecular Weight¹

48.02

CAS

593-54-4

Other Names

• Methylphosphine
• CH3PH2

• PAff : Proton affinity (kJ/mol).
• BasG : Gas basicity (kJ/mol).
• IE : Ionization energy (eV).
• logP_oct/wat : Octanol/Water partition coefficient.
• McVol : McGowan's characteristic volume (ml/mol).
• ¹: Molecular weight from the IUPAC atomic weights tables.

Physical Properties

Property	Value	Unit	Source
PAff	851.50	kJ/mol	NIST
BasG	817.60	kJ/mol	NIST
IE	[9.12; 9.72]	eV
IE	9.12	eV	NIST
IE	9.12 ± 0.07	eV	NIST
IE	9.72 ± 0.15	eV	NIST
IE	9.62	eV	NIST
IE	9.70	eV	NIST
IE	9.60 ± 0.10	eV	NIST
logPoct/wat	0.491		Crippen Calculated Property
McVol	45.410	ml/mol	McGowan Calculated Property

Cheméo can also estimate Normal Boiling Point Temperature, Normal melting (fusion) point, Critical Temperature, Critical Pressure, 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.

Similar Compounds

Find more compounds similar to Phosphine, methyl-.

Sources

• Cheméo Relay (1.0, beta) Beta: served but experimental, data-limited and below our cross-validation release bar; the Joback value is recommended where available.
• Crippen Method
• Crippen Method
• McGowan Method
• NIST Webbook

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