Product Information
CAS number	544-92-3
EC index number	006-007-00-5
EC number	208-883-6
Hill Formula	CCuN
Chemical formula	CuCN
Molar Mass	89.56 g/mol
HS Code	2837 19 00
Structure formula Image

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

Physicochemical Information
Density	2.92 g/cm3
Melting Point	473 °C
Bulk density	750 kg/m3

Safety Information according to GHS
Hazard Pictogram(s)
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.
RTECS	GL7150000
Storage class	6.1B Non-combustible, acute toxic Cat. 1 and 2 / very toxic hazardous materials
WGK	WGK 3 highly water endangering

Safety Information
Hazard Symbols	Very toxic Dangerous for the environment
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.

Storage and Shipping Information
Storage	Store below +30°C.

Transport Information
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))

Specifications
Assay of Cu	≥ 70.5 %
Identity (IR)	passes test

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Merck 841811 Copper (I) Cyanide For Synthesis 500 gr

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