Tetracyanoquinodimethane
Names
[ CAS No. ]:
1518-16-7
[ Name ]:
Tetracyanoquinodimethane
[Synonym ]:
2-[4-(dicyanomethylidene)cyclohexa-2,5-dien-1-ylidene]propanedinitrile
(2,5-Cyclohexadiene-1,4-diylidene)-dimalononitrile
Propanedinitrile, 2,2'- (2,5-cyclohexadiene-1,4-diylidene)bis-
2,2'-cyclohexa-2,5-diene-1,4-diylidenedipropanedinitrile
7,7',8,8'-Tetracyanoquinodimethane
MFCD00011664
2,2'-(2,5-Cyclohexadiene-1,4-diylidene)dimalononitrile
2,2'-Cyclohexa-2,5-diene-1,4-diylidenedimalononitrile
Propanedinitrile, 2,2'-(2,5-cyclohexadiene-1,4-diylidene)bis-
TCNQ
Tetracyanoquinodimethane
2,2'-(Cyclohexa-2,5-diene-1,4-diylidene)dimalononitrile
2-[4-(dicyanomethylidene)cyclohexa-2,5-dienyliden]malononitrile
EINECS 216-174-8
7,7,8,8-Tetracyanoquinodimethane
Chemical & Physical Properties
[ Density]:
1.4±0.1 g/cm3
[ Boiling Point ]:
254.7±40.0 °C at 760 mmHg
[ Melting Point ]:
287-289 °C (dec.)(lit.)
[ Molecular Formula ]:
C12H4N4
[ Molecular Weight ]:
204.187
[ Flash Point ]:
99.7±21.2 °C
[ Exact Mass ]:
204.043594
[ PSA ]:
95.16000
[ LogP ]:
-0.36
[ Vapour Pressure ]:
0.0±0.5 mmHg at 25°C
[ Index of Refraction ]:
1.630
[ Stability ]:
Stable. Incompatible with strong acids, strong bases, strong reducing agents, strong oxidizing agents.
[ Water Solubility ]:
insoluble
MSDS
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- GU4850000
- CAS REGISTRY NUMBER :
- 1518-16-7
- LAST UPDATED :
- 199701
- DATA ITEMS CITED :
- 2
- MOLECULAR FORMULA :
- C12-H4-N4
- MOLECULAR WEIGHT :
- 204.20
- WISWESSER LINE NOTATION :
- L6Y DYJ AUYCN&CN DUYCN&CN
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intravenous
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 56 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) Volume(issue)/page/year: NX#00796
Safety Information
[ Symbol ]:
GHS06
[ Signal Word ]:
Danger
[ Hazard Statements ]:
H301 + H311 + H331
[ Precautionary Statements ]:
P261-P280-P301 + P310-P311
[ Personal Protective Equipment ]:
dust mask type N95 (US);Eyeshields;Gloves
[ Hazard Codes ]:
Xn:Harmful;
[ Risk Phrases ]:
R20/21/22
[ Safety Phrases ]:
S22-S24/25-S36/37-S26
[ RIDADR ]:
3276
[ WGK Germany ]:
3
[ RTECS ]:
GU4850000
[ Packaging Group ]:
II
[ Hazard Class ]:
6.1
[ HS Code ]:
29269095
Synthetic Route
Precursor & DownStream
Precursor
DownStream
Customs
[ HS Code ]: 2926909090
[ Summary ]:
HS:2926909090 other nitrile-function compounds VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%
Articles
Analyst 140(6) , 1947-54, (2015)
Two-phase voltammetry has been carried out using a reverse cell configuration, i.e. with the lower density organic solvent on the top of the aqueous solution in the cell, where the organic solvents co...
Charge-transfer crystallites as molecular electrical dopants.Nat. Commun. 6 , 8560, (2015)
Ground-state integer charge transfer is commonly regarded as the basic mechanism of molecular electrical doping in both, conjugated polymers and oligomers. Here, we demonstrate that fundamentally diff...
Impact of Association Colloids on Lipid Oxidation in Triacylglycerols and Fatty Acid Ethyl Esters.J. Agric. Food Chem. 63 , 10161-9, (2015)
The impact of association colloids on lipid oxidation in triacylglycerols and fatty acid ethyl esters was investigated. Association colloids did not affect lipid oxidation of high oleic safflower and ...