- InChI
- InChI=1S/C2H4N4/c3-1-6-2(4)5/h(H4,4,5,6)
- InChI Key
- QGBSISYHAICWAH-UHFFFAOYSA-N
- Formula
- C2H4N4
- SMILES
- N#CNC(=N)N
- Molecular Weight1
- 84.08
- CAS
- 461-58-5
- Other Names
-
- 1-Cyanoguanidine
- 2-Cyanoguanidine
- ACR-H 3636
- Araldite HT 986
- Araldite XB 2879B
- Araldite XB 2979B
- Bakelite VE 2560
- Cyanoguanidine
- Dicyandiamin
- Dicyanediamide
- Dicyanodiamide
- Epicure DICY 15
- Epicure DICY 7
- Guanidine, N-cyano-
- Guanidine, cyano-
- Guanidine-1-carbonitrile
- N-cyanoguanidine
- NCN=C(NH2)2
- NSC 2031
- Pyroset DO
- XB 2879B
- ω : Acentric Factor.
- ΔcH°solid : Standard solid enthalpy of combustion (kJ/mol).
- Cp,gas : Ideal gas heat capacity (J/mol×K).
- Cp,solid : Solid phase heat capacity (J/mol×K).
- ΔfG° : Standard Gibbs free energy of formation (kJ/mol).
- ΔfH°gas : Enthalpy of formation at standard conditions (kJ/mol).
- ΔfH°solid : Solid phase enthalpy of formation at standard conditions (kJ/mol).
- ΔfusH : Enthalpy of fusion at a given temperature (kJ/mol).
- ΔsubH : Enthalpy of sublimation at a given temperature (kJ/mol).
- ΔvapH° : Enthalpy of vaporization at standard conditions (kJ/mol).
- IE : Ionization energy (eV).
- log10WS : Log10 of Water solubility in mol/l.
- logPoct/wat : Octanol/Water partition coefficient.
- McVol : McGowan's characteristic volume (ml/mol).
- Pc : Critical Pressure (kPa).
- S°solid,1 bar : Solid phase molar entropy at standard conditions (J/mol×K).
- Tboil : Normal Boiling Point Temperature (K).
- Tc : Critical Temperature (K).
- Tfus : Normal melting (fusion) point (K).
- Vc : Critical Volume (m3/kmol).
- 1: Molecular weight from the IUPAC atomic weights tables.
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Physical Properties
| Property | Value | Unit | Source |
|---|---|---|---|
| ω | 0.6503 | Relay (1.0) Calculated Property | |
| ΔcH°solid | [-1383.60; -1377.63] | kJ/mol |
|
| ΔcH°solid | -1377.63 | kJ/mol | NIST |
| ΔcH°solid | -1379.90 ± 2.00 | kJ/mol | NIST |
| ΔcH°solid | -1383.60 | kJ/mol | NIST |
| ΔfG° | 458.58 | kJ/mol | Joback Calculated Property |
| ΔfH°gas | 135.60 | kJ/mol | Relay (1.0) Calculated Property |
| ΔfH°solid | [21.30; 24.90] | kJ/mol |
|
| ΔfH°solid | 21.30 ± 2.00 | kJ/mol | NIST |
| ΔfH°solid | 24.90 | kJ/mol | NIST |
| ΔvapH° | 71.73 | kJ/mol | Relay (1.0) Calculated Property |
| IE | [8.40; 8.99] | eV |
|
| IE | 8.40 | eV | NIST |
| IE | 8.99 | eV | NIST |
| log10WS | -0.08 | Relay (1.0) Calculated Property | |
| logPoct/wat | -1.049 | Crippen Calculated Property | |
| McVol | 66.060 | ml/mol | McGowan Calculated Property |
| Pc | 6125.72 | kPa | Relay (1.0-beta) Calculated Property |
| S°solid,1 bar | 129.29 | J/mol×K | NIST |
| Tboil | 524.12 | K | Relay (1.0) Calculated Property |
| Tc | 764.19 | K | Relay (1.0) Calculated Property |
| Tfus | [482.65; 482.65] | K |
|
| Tfus | 482.65 | K | Solid-liquid equilibrium of dicyandiamide in different solvents |
| Tfus | 482.65 | K | Measurement, correlation of the solubility and solution thermodynamics of 2-cyanoguanidine in (methanol + water) binary solvent systems from T = (283.15 to 343.15) K |
| Vc | 0.247 | m3/kmol | Relay (1.0) Calculated Property |
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,gas | [36.83; 139.65] | J/mol×K | [100.12; 554.28] |
|
| Cp,gas | 36.83 | J/mol×K | 100.12 | Joback Calculated Property |
| Cp,gas | 36.83 | J/mol×K | 100.12 | Joback Calculated Property |
| Cp,gas | 36.83 | J/mol×K | 100.12 | Joback Calculated Property |
| Cp,gas | 36.83 | J/mol×K | 100.12 | Joback Calculated Property |
| Cp,gas | 36.83 | J/mol×K | 100.12 | Joback Calculated Property |
| Cp,gas | 36.83 | J/mol×K | 100.12 | Joback Calculated Property |
| Cp,gas | 139.65 | J/mol×K | 554.28 | Joback Calculated Property |
| Cp,solid | [117.74; 142.00] | J/mol×K | [294.63; 340.00] |
|
| Cp,solid | 117.74 | J/mol×K | 294.63 | NIST |
| Cp,solid | 142.00 | J/mol×K | 340.00 | NIST |
| ΔfusH | 22.96 | kJ/mol | 487.60 | NIST |
| ΔsubH | 128.70 | kJ/mol | 435.00 | NIST |
Similar Compounds
Find more compounds similar to Dicyandiamide.
Mixtures
- Dicyandiamide + Water
- Dicyandiamide + Methyl Alcohol
- Ethanol + Dicyandiamide
- 1,2-Ethanediol + Dicyandiamide
- Acetone + Dicyandiamide
- Dicyandiamide + Methyl Alcohol + Water
- sodium chloride + Dicyandiamide + Water
- potassium chloride + Dicyandiamide + Water
- Dicyandiamide + lithium chloride + Water
- 1,2-Ethanediol + Dicyandiamide + Water
- Formamide, N,N-dimethyl- + Dicyandiamide + Water
Sources
- Cheméo Relay (1.0)
- 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
- Solid-liquid equilibrium of dicyandiamide in different solvents
- Salting-out effect of alkali metal chlorides (lithium, sodium, and potassium) on 2-cyanoguanidine aqueous solution: A solid-liquid equilibrium study
- Measurement, correlation of the solubility and solution thermodynamics of 2-cyanoguanidine in (methanol + water) binary solvent systems from T = (283.15 to 343.15) K
- Equilibrium Solubilities of 2-Cyanoguanidine in Water + (Ethane-1,2-diol or N,N-Dimethylformamide) Mixtures at Different Temperatures: An Experimental and Correlational Study
- Joback Method
- McGowan Method
- NIST Webbook
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