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| CAS No.: | 506-64-9 |
|---|---|
| Name: | Silver cyanide |
| Article Data: | 122 |
| Molecular Structure: | |
|
|
|
| Formula: | AgCN |
| Molecular Weight: | 133.886 |
| Synonyms: | Silvercyanide (Ag2(CN)2);Silver monocyanide;Silver(1+) cyanide;Silver(I) cyanide; |
| EINECS: | 208-048-6 |
| Density: | 3.95 g/cm3 |
| Melting Point: | 300 °C |
| Boiling Point: | 25.7°C at 760 mmHg |
| Solubility: | insoluble in water |
| Appearance: | white to off-white powder |
| Hazard Symbols: |
 T, N, T+
|
| Risk Codes: | 25-32-33-41-50/53-26/27/28 |
| Safety: | 7-26-45-60-61-29-28A |
| Transport Information: | UN 1684 6.1/PG 2 |
| PSA: | 23.79000 |
| LogP: | 0.01678 |
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| Conditions | Yield |
|---|---|
| addition of Ag2SO4 to liquid HCN;; | 100% |
| In neat (no solvent) byproducts: H2SO4; shaking in a closed tube for several hours;; | |
| In neat (no solvent) byproducts: H2SO4; shaking in a closed tube for several hours;; |
| Conditions | Yield |
|---|---|
| addition of AgNCO to liquid HCN at 25°C;; | 42% |
- 71680-52-9, 130166-69-7
ammonium cyanide
- 506-64-9
silver(I) cyanide
| Conditions | Yield |
|---|---|
| With sodium carbonate; silver nitrate | |
| With potassium carbonate; silver nitrate | |
| With silver nitrate |
- 506-64-9
silver(I) cyanide
| Conditions | Yield |
|---|---|
| at 0℃; Sehr zersetzlich; |
- 506-64-9
silver(I) cyanide
| Conditions | Yield |
|---|---|
| at 25℃; |
A
- 593-75-9, 685498-28-6
methyl isocyanate
B
- 506-64-9
silver(I) cyanide
C
- 75-05-8
acetonitrile
D
- 75-50-3
trimethylamine
| Conditions | Yield |
|---|---|
| bei der Destillation; |
- Total:13 Page 1 of 1 1
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Consensus Reports
Silver and its compounds, as well as cyanide and its compounds, are on the Community Right-To-Know List. Reported in EPA TSCA Inventory.
Standards and Recommendations
DOT Classification: 6.1; Label: Poison
OSHA PEL: TWA 5 mg(CN)/m3
ACGIH TLV: CL 5 mg(CN)/m3 (skin)
DFG MAK: 5 mg/m3
NIOSH REL: (Cyanide) CL 5 mg(CN)/m3/10M
Specification
The IUPAC name of Silver cyanide is silver cyanide. With the CAS registry number 506-64-9, it is also named as Kyanid stribrny. The product's categories are Inorganics; Metal and Ceramic Science; Salts; Silver Salts, and the other registry numbers are 12351-98-3; 29829-51-4. Besides, it is white to off-white powder, which should be stored in sealed package in a cool, dry and well ventilated warehouse away from fire and heat source. It forms structurally complex materials upon reaction with other anions. In addition, this chemical is insoluble in water and incompatible with strong acids, ammonia, hydrogen peroxide. It forms an explosive mixture with fluorine, which may decompose in light.
The other characteristics of this product can be summarized as: (1)EINECS: 208-048-6; (2)H-Bond Donor: 0; (3)H-Bond Acceptor: 2; (4)Rotatable Bond Count: 0; (5)Exact Mass: 132.908167; (6)MonoIsotopic Mass: 132.908167; (7)Topological Polar Surface Area: 23.8; (8)Heavy Atom Count: 3; (9)Complexity: 10; (10)Density: 3.95 g/cm3; (11)Melting point: 300 °C.
Preparation of Silver cyanide: you can add the solution of Silver nitrate to the solution of Potassium cyanide or Sodium cyanide to precipitate. And you will obtain this chemical. The reaction equations are as follows:
or
Uses of Silver cyanide: this chemical is used as lining of autoclave which is used in medicine, silver plating and protective coating. It is also used for electrofacing of electrical contact and engine bearings of airplane. Additionally, it is used as plating reagent and additive of precious metal, analytical reagent. Furthermore, it can be used to produce Oxalonitrile.
This reaction will occur at temperature of 350 °C. The yield is 75 %.
When you are using this chemical, please be cautious about it as the following: it is very toxic by inhalation, in contact with skin and if swallowed. It contacts with acid liberates very toxic gas. Please keep container tightly closed. It is danger of cumulative effects and risk of serious damage to the eyes. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. After contact with skin, wash immediately with plenty of soap-suds. What's more, it is toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. This material and its container must be disposed of as hazardous waste. Please do not empty into drains. And you should avoid release to the environment. Refer to special instructions / safety data sheets. Moreover, in case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.).
People can use the following data to convert to the molecule structure.
(1)SMILES: [C-]#N.[Ag+]
(2)InChI: InChI=1/CN.Ag/c1-2;/q-1;+1
(3)InChIKey: LFAGQMCIGQNPJG-UHFFFAOYAM
(4)Std. InChI: InChI=1S/CN.Ag/c1-2;/q-1;+1
(5)Std. InChIKey: LFAGQMCIGQNPJG-UHFFFAOYSA-N
The toxicity data is as follows:
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| rat | LD50 | oral | 123mg/kg (123mg/kg) | "Sbornik Vysledku Toxixologickeho Vysetreni Latek A Pripravku," Marhold, J.V., Institut Pro Vychovu Vedoucicn Pracovniku Chemickeho Prumyclu Praha, Czechoslovakia, 1972Vol. -, Pg. 13, 1972. |