| Molecular Formula | C4K2N4Ni.xH2O |
| Molar Mass | 240.94 |
| Density | 1.875 g/mL(lit.) |
| Melting Point | 100℃ -H{2}O |
| Water Solubility | Soluble in water |
| Vapor Presure | 740 mmHg ( 25 °C)(lit.) |
| Appearance | crystal |
| Color | yellow |
| Risk Codes | R49 - May cause cancer by inhalation R15/29 - R22 - Harmful if swallowed R42/43 - May cause sensitization by inhalation and skin contact. R50/53 - Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R32 - Contact with acids liberates very toxic gas R26/27/28 - Very toxic by inhalation, in contact with skin and if swallowed. |
| Safety Description | S53 - Avoid exposure - obtain special instructions before use. S22 - Do not breathe dust. S36/37 - Wear suitable protective clothing and gloves. S43 - In case of fire use ... (there follows the type of fire-fighting equipment to be used.) S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. S60 - This material and its container must be disposed of as hazardous waste. S29 - Do not empty into drains. S28 - After contact with skin, wash immediately with plenty of soap-suds. S7 - Keep container tightly closed. |
| UN IDs | UN 1588 6.1/PG 2 |
| WGK Germany | 3 |
| RTECS | QR8650000 |
| TSCA | Yes |
| Hazard Class | 6.1 |