Chemical Properties of Diazene, dimethyl- (CAS 503-28-6)

InChI

InChI=1S/C2H6N2/c1-3-4-2/h1-2H3

InChI Key

JCCAVOLDXDEODY-UHFFFAOYSA-N

Formula

C2H6N2

SMILES

CN=NC

Molecular Weight¹

58.08

CAS

503-28-6

Other Names

• Azomethane
• (CH3N)2
• 1,2-Dimethyldiazene
• Dimethyldiazene
• (E)-Dimethyldiazene

• PAff : Proton affinity (kJ/mol).
• BasG : Gas basicity (kJ/mol).
• Δ_vapH : Enthalpy of vaporization at a given temperature (kJ/mol).
• IE : Ionization energy (eV).
• logP_oct/wat : Octanol/Water partition coefficient.
• McVol : McGowan's characteristic volume (ml/mol).
• I_np : Non-polar retention indices.
• T_boil : Normal Boiling Point Temperature (K).
• ¹: Molecular weight from the IUPAC atomic weights tables.

Physical Properties

Property	Value	Unit	Source
PAff	865.10	kJ/mol	NIST
BasG	834.40	kJ/mol	NIST
IE	[8.20; 9.00]	eV
IE	8.30	eV	NIST
IE	8.70 ± 0.20	eV	NIST
IE	8.70 ± 0.10	eV	NIST
IE	9.00	eV	NIST
IE	8.95 ± 0.05	eV	NIST
IE	8.45 ± 0.05	eV	NIST
IE	8.20	eV	NIST
IE	8.70 ± 0.10	eV	NIST
logPoct/wat	0.698		Crippen Calculated Property
McVol	54.700	ml/mol	McGowan Calculated Property
Inp	[386.80; 396.00]
Inp	396.00		NIST
Inp	386.80		NIST
Tboil	[274.70; 275.00]	K
Tboil	274.70	K	NIST
Tboil	275.00	K	NIST

Cheméo can also estimate 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.

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
ΔvapH	[25.30; 26.40]	kJ/mol	[222.50; 234.00]
ΔvapH	25.30	kJ/mol	222.50	NIST
ΔvapH	26.40	kJ/mol	234.00	NIST

Similar Compounds

Find more compounds similar to Diazene, dimethyl-.

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
• Joback Method
• McGowan Method
• NIST Webbook

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. Take the time to validate and double check the source of the data.
These property values are available through the Cheméo API. A free account gives you an access key.