8.41811 EMD Millipore

Copper(I) cyanide

Copper(I) cyanide for synthesis. CAS 544-92-3, chemical formula CuCN., for synthesis

Synonym: Cupricin

  • CAS Number 544-92-3

  • Linear Formula CCuN

  • Molecular Weight 89.56 g/mol

  •  EC Number 208-883-6



packaging   100 g in Glass bottle (8418110100)
density   2.92 g/cm3
mp   473 °C
bulk density   750 kg/m3
shipped in   ambient
storage temp.   Store below +30°C.
specifications   Assay of Cu: ≥ 70.5 %
  Identity (IR): passes test

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Safety Information

HS Code 
2837 19 00
Hazard Statement(s) 
H300 + H310 + H330: Fatal if swallowed, in contact with skin or if inhaled
H410: Very toxic to aquatic life with long lasting effects.
EUH032: Contact with acids liberates very toxic gas.
Precautionary Statement(s) 
P273: Avoid release to the environment.
P280: Wear protective gloves/ protective clothing.
P302 + P352: IF ON SKIN: Wash with plenty of soap and water.
P304 + P340: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing.
P308 + P310: IF exposed or concerned: immediately call a POISON CENTER or doctor/ physician.
Storage class 
6.1B Non-combustible, acute toxic Cat. 1 and 2 / very toxic hazardous materials
WGK 3 highly water endangering
Hazard Pictogram(s) 
GHS06  GHS06
Hazard Pictogram(s) 
GHS09  GHS09
Hazard Symbols 
Dangerous for the environment  Dangerous for the environment
Hazard Symbols 
Very toxic  Very toxic
Declaration (railroad and road) ADR, RID 
UN 1587 , 6.1, II
Declaration (transport by air) IATA-DGR 
UN 1587 , 6.1, II
Declaration (transport by sea) IMDG-Code 
UN 1587 , 6.1, II, Marine Pollutant: P, Segregation Group: 6 (Cyanides)7 (Heavy metals and their salts (including their organometallic compounds))
Categories of danger 
very toxic, dangerous for the environment
R Phrase 
R 26/27/28-32-50/53
Very toxic by inhalation, in contact with skin and if swallowed.Contact with acids liberates very toxic gas.Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
S Phrase 
S 7-28-29-45-60-61
Keep container tightly closed.After contact with skin, wash immediately with plenty of soap and water.Do not empty into drains.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).This material and its container must be disposed of as hazardous waste.Avoid release to the environment. Refer to special instructions/ Safety data sheets.
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