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LC3527 Tetracyanoethylene

for synthesis


Order number Packaging Quantity Price €
AC30527 Glass bottle 5 g 33.075


Product information
Synonyms Ethylene tetracarbonitrile, TCNE, Percyanoethylene
Hill Formula C6N4
Chemical formula (CN)2C=C(CN)2
HS Code 2926 90 95
EC number 211-578-0
Molar mass 128.09 g/mol
Storage Store below +15°C.
CAS number 670-54-2


Chemical and physical data
Solubility (20 °C) Hydrolysis
Melting point 196 – 199 °C
Molar mass 128.09 g/mol
Density 1.35 g/cm3 (25 °C)
Boiling point 223 °C


Safety information according to GHS
Hazard Statement(s) H300: Fatal if swallowed.
Signal Word Danger
Hazard Pictogram(s)
Storage class 6.1A Combustible substances, toxic
WGK WGK 3 highly water endangering
Disposal 6
Sulfides and sulfites as well as other reducing substances, inorganic cyanides and isonitriles: Stir into sodium hypochlorite solution (Cat. No. 105614) and, if necessary, leave to react for several days. Caution: some substances may show a violent reaction! Draw off any toxic or flammable gases that may be formed. Excess oxidant should be neutralized with sodium thiosulfate (Cat. No. 106513). Container D or E.


Safety information
R Phrase R 28
Very toxic if swallowed.
S Phrase S 28-36/37-45
After contact with skin, wash immediately with plenty of water.Wear suitable protective clothing and gloves.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).
Categories of danger very toxic
Hazard Symbol Very toxic


Transport information
Declaration (transport by sea) IMDG-Code UN 3439 NITRILES, TOXIC, SOLID, N.O.S.(TETRACYANOETHYLENE), 6.1, I
Declaration (transport by air) IATA-DGR UN 3439 NITRILES, TOXIC, SOLID, N.O.S.(TETRACYANOETHYLENE), 6.1, I


Toxicological data
LD 50 oral LD50 rat 5 mg/kg


Assay (GC, area%) ≥ 98 %
Melting range
– lower value
≥ 196 °C
– upper value ≤ 199 °C
Identity (IR) passes test


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