ChemicalBook >>Tetracyanoethylene>>Ethylenetetracarbonitrile(670-54-2)

Ethylenetetracarbonitrile(670-54-2)

Ethylenetetracarbonitrile(670-54-2)
Product IdentificationBack to Contents
【Product Name】

Ethylenetetracarbonitrile
【Synonyms】

1,1,2,2-Tetracyanoethene
1,1,2,2-Tetracyanoethylene
Ethylenetetracarbonitrile
TCNE
Tetracyanoethene
Tetracyanoethylene
【CAS】

670-54-2
【Formula】

C6N4
【Molecular Weight】

128.09
【EINECS】

211-578-0
【RTECS】

KM7300000
【RTECS Class】

Other
【Merck】

12,9336
【Beilstein/Gmelin】

1679885
【Beilstein Reference】

4-02-00-02450
【EC Class】

very toxic
Physical and Chemical PropertiesBack to Contents
【Appearance】

Beige powder.
【Solubility in water】

Very soluble
【Boiling Point】

223
【Vapor Pressure】

0.12 (25 C)
【Density】

1.323 g/cm3 (23 C)
【Partition Coefficient】

-1.64
【Heat Of Vaporization】

45.6 kJ/mol
【Refractive Index】

1.560 (25 C)
First Aid MeasuresBack to Contents
【Ingestion】

If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid immediately.
【Inhalation】

Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
【Skin】

Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.
【Eyes】

Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.
Handling and StorageBack to Contents
【Storage】

Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Refrigerator (approx 4 C).
【Handling】

Wash thoroughly after handling. Use with adequate ventilation. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Do not ingest or inhale.
Hazards IdentificationBack to Contents
【Ingestion】

May be fatal if swallowed. The toxicological properties of this substance have not been fully investigated. May cause central nervous system effects.
【Inhalation】

Inhalation of dust may cause respiratory tract irritation.
【Skin】

No information regarding skin irritation and other potential effects was found.
【Eyes】

Dust may cause mechanical irritation.
【Hazards】

Contact with metals may evolve flammable hydrogen gas.
【EC Risk Phrase】

R 28 23/24 36/37/38
【EC Safety Phrase】

S 26 28 36/37/39 45
【UN (DOT)】

2811
Exposure Controls/Personal ProtectionBack to Contents
【Personal Protection】

Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure.
【Respirators】

Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.
Fire Fighting MeasuresBack to Contents
【Flash Point】

94
【Fire Fighting】

Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. To extinguish fire use water spray, dry chemical, carbon dioxide, or appropriate foam.
【Fire Potential】

Non-combustible, substance itself does not burn but may decompose upon heating to produce corrosive and/or toxic fumes.
Accidental Release MeasuresBack to Contents
【Small spills/leaks】

Sweep up, then place into a suitable container for disposal. Avoid generating dusty conditions. Provide ventilation.
Stability and ReactivityBack to Contents
【Disposal Code】

9
【Stability】

Stable under normal temperatures and pressures.
【Incompatibilities】

Strong acids, strong bases, strong oxidizing agents, 1-methylsilacyclopenta-2,-4diene.
【Decomposition】

Hydrogen cyanide, nitrogen oxides, carbon monoxide, carbon dioxide.
【Combustion Products】

Fire may produce irritating, corrosive and/or toxic gases.
Transport InformationBack to Contents
【UN Number】

2811
【Hazard Class】

6.1
【Packing Group】

I; II; III
【HS Code】

2926 90 95
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