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| CAS No.: | 557-21-1 |
|---|---|
| Name: | ZINC CYANIDE |
| Article Data: | 62 |
| Molecular Structure: | |
|
|
|
| Formula: | C2N2Zn |
| Molecular Weight: | 117.425 |
| Synonyms: | Zinccyanide (6CI,7CI,8CI);Zinc dicyanide; |
| EINECS: | 209-162-9 |
| Density: | 1.85 g/cm3 |
| Melting Point: | 800 °C |
| Boiling Point: | 25.7 °C at 760 mmHg |
| Solubility: | Soluble in alkalies, potassium cyanide and ammonia. Insoluble in water and most solvents. |
| Appearance: | white to off-white powder |
| Hazard Symbols: |
 N, T+
|
| Risk Codes: | 50/53-32-26/27/28 |
| Safety: | 7-61-60-45-29-28 |
| Transport Information: | UN 1713 |
| PSA: | 47.58000 |
| LogP: | 0.03106 |
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| Conditions | Yield |
|---|---|
| In water compds. dissolved in degassed H2O at 80°C, allowed to stand for 1d at 4°C; NaF filtered off, washed with ice-cold EtOH, aq. EtOH mixt. evapd.; | A 78% B n/a |
A
- 557-21-1
zinc(II) cyanide
| Conditions | Yield |
|---|---|
| With air In neat (no solvent) sample heating at 4 K/min in air to 300°C, temp. keeping for 3 h; XRD; | A n/a B 1% C n/a D 1% |
| Conditions | Yield |
|---|---|
| slow react. of liq. (CN)2 with Zn at higher temp. up to 115°C; deposition of paracyan layer on Zn is stopping react.; O2 is inhibiting react., benzene vapor and CO2 have no influence on react.;; | |
| Kinetics; at 22°C very slow, studies on influence of temp.; inhibited by O2; | |
| In neat (no solvent) formation on Zn-surface in the cold after several days, at 100 °C after 3 - 4 h;; |
A
- 557-21-1
zinc(II) cyanide
| Conditions | Yield |
|---|---|
| With zinc(II) sulfate byproducts: Na2SO4; calcd. amts. of ZnSO4; | |
| With ZnSO4 byproducts: Na2SO4; calcd. amts. of ZnSO4; |
| Conditions | Yield |
|---|---|
| In neat (no solvent) byproducts: N2; at 550°C, although evolving of N2 but no formation of cyanamide;; | |
| pptn.;; | |
| In neat (no solvent) byproducts: N2; at 550°C, although evolving of N2 but no formation of cyanamide;; | |
| pptn.;; |
| Conditions | Yield |
|---|---|
| by heating in sealed tube at 300°C; | |
| by heating in sealed tube at 300°C; |
| Conditions | Yield |
|---|---|
| pptn.;; | |
| pptn.;; |
| Conditions | Yield |
|---|---|
| pptn.;; | |
| pptn.;; |
| Conditions | Yield |
|---|---|
| pptn.;; | |
| pptn.;; |
| Conditions | Yield |
|---|---|
| In water passing HCN into a sludge of ZnO;; | |
| In water passing HCN into a sludge of ZnO;; |
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- Total:14 Page 1 of 1 1
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Consensus Reports
Zinc 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
This chemical is called Zinc cyanide, and its IUPAC name is zinc dicyanide. With the molecular formula of C2N2Zn, its classification codes are Agricultural Chemical; Experimental pesticide; Unspecified / Unclassified pesticide. The CAS registry number of this chemical is 557-21-1. Additionally, its product categories are Inorganics; Zinc Salts; Metal and Ceramic Science; Salts. Moreover, it's insoluble in cold water, hydrocyanic acid, ethanol, ether and organic acids, slightly soluble in water, soluble in caustic soda, ammonia, acetic acid zinc solution.
Other characteristics of the Zinc cyanide can be summarised as followings: (1)ACD/LogP: -0.25; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): -0.25; (4)ACD/LogD (pH 7.4): -0.25; (5)ACD/BCF (pH 5.5): 1; (6)ACD/BCF (pH 7.4): 1; (7)ACD/KOC (pH 5.5): 17.42; (8)ACD/KOC (pH 7.4): 17.42; (9)#H bond acceptors: 1; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 0; (12)Polar Surface Area: 23.79 Å2; (13)Enthalpy of Vaporization: 27.18 kJ/mol; (14)Boiling Point: 25.7 °C at 760 mmHg; (15)Vapour Pressure: 740 mmHg at 25°C.
The Zinc cyanide could be obtained by the reactants of serum zinc chloride and sodium cyanide solution. This reaction needs the processes of separation and drying. The reaction equation is as following: 2NaCN+ZnC12→Zn(CN)2+2NaCl.
Uses of this chemical: The Zinc cyanide is mainly used in electroplating, organic synthesis, medicine and pesticide manufacturing. It could react with 1,3,5-triethyl-benzene to obtain the 2,4,6-triethyl-benzaldehyde. This reaction needs the reagent of HCl , and the yield is about 79 %.
When you are using this chemical, please be cautious about it as the following: This chemical is very toxic by inhalation, in contacting with skin and if swallowed. It's also very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. If contacts with acid, it will liberate very toxic gas. Keep its container tightly closed. Do not empty into drains. Refer to special instructions / safety data sheets if you use it. After contacting with skin, wash immediately with plenty of soap-suds. Moreover, this material and its container must be disposed of as hazardous waste.
You can still convert the following datas into molecular structure:
1.SMILES: [Zn+2].[C-]#N.[C-]#N
2.InChI: InChI=1/2CN.Zn/c2*1-2;/q2*-1;+2
3.InChIKey: GTLDTDOJJJZVBW-UHFFFAOYAM
The toxicity data is as follows:
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| rat | LCLo | inhalation | 61mg/m3/4H (61mg/m3) | National Technical Information Service. Vol. OTS0571244, | |
| rat | LD50 | oral | 54mg/kg (54mg/kg) | Toxicologist. Vol. 3, Pg. 170, 1983. | |
| rat | LDLo | intraperitoneal | 100mg/kg (100mg/kg) | National Academy of Sciences, National Research Council, Chemical-Biological Coordination Center, Review. Vol. 5, Pg. 28, 1953. |