Zinc and its compounds, as well as cyanide and its compounds, are on the Community Right-To-Know List. Reported in EPA TSCA Inventory.

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

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: