ChemicalBook >>7,7,8,8-Tetracyanoquinodimethane>>7,7,8,8-Tetracyanoquinodimethane(1518-16-7)

7,7,8,8-Tetracyanoquinodimethane(1518-16-7)

7,7,8,8-Tetracyanoquinodimethane(1518-16-7)
Product IdentificationBack to Contents
【Product Name】

7,7,8,8-Tetracyanoquinodimethane
【Synonyms】

2,5-Cyclohexadiene-delta(sup 1,alpha:4,alpha)-dimalononitrile
2-[4-(Dicyanomethylidene)-1-cyclohexa-2,5-dienylidene]propanedinitrile
Propanedinitrile, 2,2'-(2,5-cyclohexadiene-1,4-diylidene)bis-
Tetracyano-p-quinodimethane
Tetracyanoquinodimethane
【CAS】

1518-16-7
【Formula】

C12H4N4
【Molecular Weight】

204.19
【EINECS】

216-174-8
【RTECS】

GU4850000
【RTECS Class】

Other
【Beilstein/Gmelin】

611604
【EC Class】

toxic
Physical and Chemical PropertiesBack to Contents
【Appearance】

Brown crystalline powder.
【Solubility in water】

Insoluble
【Melting Point】

287-289
First Aid MeasuresBack to Contents
【Ingestion】

Never give anything by mouth to an unconscious person. Get medical aid immediately. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water.
【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】

Keep containers tightly closed. Store in a cool, dry area away from incompatible substances.
【Handling】

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

May cause gastrointestinal irritation with nausea, vomiting and diarrhea. The toxicological properties of this substance have not been fully investigated. May cause cyanosis, characterized by bluish skin.
【Inhalation】

May cause cyanosis, characterized by bluish-colored skin. May cause respiratory tract irritation. The toxicological properties of this substance have not been fully investigated. May cause irritation of the mucous membranes.
【Skin】

May cause skin irritation.
【Eyes】

May cause eye irritation.
【Hazards】

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

R 20/21/22
【EC Safety Phrase】

S 22 36/37
【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 and clothing to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure.
【Respirators】

A respiratory protection program that meets OSHA's 29 CFR 1910.134 and ANSI Z88.2 requirements or European Standard EN 149 must be followed whenever workplace conditions warrant a respirator's use.
Fire Fighting MeasuresBack to Contents
【Fire Fighting】

Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. 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 oxidizing agents, strong reducing agents, strong acids, strong bases.
【Decomposition】

Nitrogen oxides, carbon monoxide, carbon dioxide, cyanide fumes.
【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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