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CAS No.: | 1934-75-4 |
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Name: | Sodium dicyanamide |
Article Data: | 17 |
Cas Database | |
Molecular Structure: | |
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Formula: | C2HN3. Na |
Molecular Weight: | 89.0319 |
Synonyms: | Cyanamide,cyano-, sodium salt (9CI);Dicyanamide, sodium salt (8CI);Sodium dicyanamide(6CI,7CI); |
EINECS: | 217-703-5 |
Melting Point: | 300 °C |
Boiling Point: | 41.5 °C at 760 mmHg |
Flash Point: | 8.5 °C |
Solubility: | 260 g/L (30 °C) in water |
Appearance: | White to off-white powder |
Hazard Symbols: |
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Risk Codes: | 22-36/37/38 |
Safety: | 26-36-37/39 |
Transport Information: | UN 3077 |
PSA: | 50.82000 |
LogP: | -0.28514 |
CYANAMID
cyanogen chloride
A
sodium N-cyanoisourea
B
sodium dicyanamide
C
sodium chloride
Conditions | Yield |
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With sodium hydroxide In water at 70 - 75℃; under 1050.11 Torr; pH=7.2 - 8.0; Purification / work up; | A n/a B 94% C n/a |
Conditions | Yield |
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With sodium hydroxide In water at 50 - 55℃; under 1050.11 Torr; pH=7.2 - 8.0; | 87% |
With sodium hydroxide In water at 70 - 75℃; under 1050.11 Torr; pH=7.2 - 8.0; Product distribution / selectivity; | 83% |
With sodium hydroxide In water at 70 - 75℃; under 1050.11 Torr; pH=7.2 - 8.0; Product distribution / selectivity; | 82% |
With sodium hydroxide In water at 50 - 55℃; under 1050.11 Torr; pH=7.2 - 8.0; Product distribution / selectivity; | 79% |
With sodium hydroxide In water at 70 - 75℃; for 1.58333h; pH=7.5 - 8.0; | 76% |
Conditions | Yield |
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Stage #1: CYANAMID With sodium In ethanol at 20℃; for 1.5h; Stage #2: bromocyane In ethanol for 2.5h; | 72% |
bromocyane
sodium cyanamide
sodium dicyanamide
Conditions | Yield |
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With water |
Conditions | Yield |
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With sodium amide in der Kugelmuehle; |
sodium dicyanamide
Conditions | Yield |
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With sodium amide In not given byproducts: NH3, NaCl; at room temp., in ball mill; |
Conditions | Yield |
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byproducts: NH3, NaCl; in ball mill; reactn. complete after 60 h at room temp.; | |
byproducts: NH3, NaCl; in ball mill; reactn. complete after 60 h at room temp.; |
Conditions | Yield |
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In neat (no solvent) constantly grinding in ball mill at ambient temp., 60h; complete exclusion of air;; | |
In neat (no solvent) constantly grinding in ball mill at ambient temp., 60h; complete exclusion of air;; |
disodium cyanamide
sodium dicyanamide
Conditions | Yield |
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With NCBr In neat (no solvent) grinding in ball mill;; | |
With NCBr In neat (no solvent) grinding in ball mill;; |
The Sodium dicyanamide, with the CAS registry number 1934-75-4, is a kind of white to off-white powder, with the product categories including C-X Bond Formation (Non-Halogen); Others; Synthetic Reagents; Hydrocyanic acid derivatives; Various hydrocyanic acid derivatives.
The physical properties of this chemical are as below: (1)ACD/LogP: 0.43; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 0.43; (4)ACD/LogD (pH 7.4): 0.43; (5)ACD/BCF (pH 5.5): 1.26; (6)ACD/BCF (pH 7.4): 1.26; (7)ACD/KOC (pH 5.5): 41; (8)ACD/KOC (pH 7.4): 41; (9)#H bond acceptors: 3; (10)#H bond donors: 1; (11)#Freely Rotating Bonds: 0; (12)Polar Surface Area: 60; (13)Flash Point: 8.5 °C; (14)Enthalpy of Vaporization: 28.58 kJ/mol; (15)Boiling Point: 41.5 °C at 760 mmHg; (16)Vapour Pressure: 407 mmHg at 25°C; (17)Exact Mass: 88.998992; (18)MonoIsotopic Mass: 88.998992; (19)Topological Polar Surface Area: 48.6; (20)Heavy Atom Count: 6; (21)Complexity: 86.5.
Use of this chemical is below: Sodium dicyanamide could react with 4-fluoro-aniline; hydrochloride to produce 2-Cyan-1-(4-fluorphenyl)guanidin. This reaction could happen in the presence of the solvent of H2O, and it needs the reaction temperature of 60 ℃ with its yield of 67%.
When you deal with this chemical, you should be careful. For one thing, it is irritant to eyes, respiratory system and skin, which may also cause inflammation to the skin or other mucous membranes. For another thing, it is harmful which may cause damage to health. Wear suitable gloves and eye/face protection and if in case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
In addition, you could convert the following datas into the molecular structure:
(1)Canonical SMILES: C(#N)[N-]C#N.[Na+]
(2)InChI: InChI=1S/C2N3.Na/c3-1-5-2-4;/q-1;+1
(3)InChIKey: IXBPPZBJIFNGJJ-UHFFFAOYSA-N