Copper(I) cyanide, powder

89.56 g·mol−1

2.92 g/mL at 25 °C(lit.)

474 °C(lit.)

R26/27/28 - Very toxic by inhalation, in contact with skin and if swallowed
R32 - Contact with acids liberates very toxic gas
R50/53 - Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment

S28 - After contact with skin, wash immediately with plenty of ... (to be specified by the manufacturer)
S29 - Do not empty into drains
S45 - In case of accident or if you feel unwell seek medical advice immediately (show the label where possible)
S60 - This material and its container must be disposed of as hazardous waste
S61 - Avoid release to the environment. Refer to special instructions/safety data sheet
S7 - Keep container tightly closed

T+, N, T