Tetracyanoethylene

Suppliers

Names

[ CAS No. ]:
670-54-2

[ Name ]:
Tetracyanoethylene

[Synonym ]:
Ethen-1,1,2,2-tetracarbonitril
ethylene-1,1,2,2-tetracarbonitrile
TCNE
1,1,2,2-Ethylenetetracarbonitrile
tetracyanoethene
Tetracyanoethylene
δ2,2'-Bimalononitrile
EINECS 211-578-0
MFCD00001850
D2,2'-Bimalononitrile
1,1,2,2-Ethenetetracarbonitrile
ethene-1,1,2,2-tetracarbonitrile

Chemical & Physical Properties

[ Density]:
1.4±0.1 g/cm3

[ Boiling Point ]:
219.8±35.0 °C at 760 mmHg

[ Melting Point ]:
197-199 °C(lit.)

[ Molecular Formula ]:
C₆N₄

[ Molecular Weight ]:
128.091

[ Flash Point ]:
94.4±19.8 °C

[ Exact Mass ]:
128.012299

[ PSA ]:
95.16000

[ LogP ]:
-1.63

[ Vapour Pressure ]:
0.1±0.4 mmHg at 25°C

[ Index of Refraction ]:
1.532

[ Storage condition ]:
2-8°C

[ Water Solubility ]:
hydrolyzes

MSDS

Click to get detail MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :: KM7300000

CHEMICAL NAME :: Ethenetetracarbonitrile

CAS REGISTRY NUMBER :: 670-54-2

LAST UPDATED :: 199710

DATA ITEMS CITED :: 4

MOLECULAR FORMULA :: C6-N4

MOLECULAR WEIGHT :: 128.10

WISWESSER LINE NOTATION :: NCYCN&UYCN&CN

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 30 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: TPKVAL Toksikologiya Novykh Promyshlennykh Khimicheskikh Veshchestv. Toxicology of New Industrial Chemical Substances. For English translation, see TNICS*. (Izdatel'stvo Meditsina, Moscow, USSR) No.1- 1961- Volume(issue)/page/year: 7,180,1965

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 4500 ug/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#01707

Safety Information

[ Symbol ]:

GHS06

[ Signal Word ]:
Danger

[ Hazard Statements ]:
H300-H312 + H332

[ Precautionary Statements ]:
Missing Phrase - N15.00950417-P261-P280

[ Personal Protective Equipment ]:
Eyeshields;Faceshields;full-face particle respirator type N100 (US);Gloves;respirator cartridge type N100 (US);type P1 (EN143) respirator filter;type P3 (EN 143) respirator cartridges

[ Hazard Codes ]:
T+:Verytoxic;

[ Risk Phrases ]:
R23/24;R28

[ Safety Phrases ]:
S28-S36/37-S45-S28A-S22-S1

[ RIDADR ]:
UN 2811 6.1/PG 1

[ WGK Germany ]:
3

[ RTECS ]:
KM7300000

[ Packaging Group ]:
II

[ Hazard Class ]:
6.1

[ HS Code ]:
29269095

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

Dibromomalononitrile
Malononitrile
2,3-DICYANO-SUCCINONITRILE
Disulfur dichloride
Tetracyanoethylene
sodium cyanide
Fumaronitrile, dichloro-
Chlorine
ethene-1,1,2,2-tetracarbonitrile compound with 3-(2-(4-(6-fluorobenzo[d]isoxazol-3-yl)piperidin-1-yl)ethyl)-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one (1:1)

DownStream

cyanogen
but-2-ynedinitrile
1-phenyl-1,4-dihydronaphthalene-2,2,3,3-tetracarbonitrile
5-(5-thiophen-2-ylthiophen-2-yl)thiophene-2-carbonitrile
Tetracyanoethylene
Tetracyanoethylene Oxide
Iodobenzene
Water
Acetone
2,2'-Bithiophene

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

Spectrophotometric Determination of Distigmine Bromide, Cyclopentolate HCl, Diaveridine HCl and Tetrahydrozoline HCl via Charge Transfer Complex Formation with TCNQ and TCNE Reagents.

Iran. J. Pharm. Res. 14 , 701-14, (2015)

The purpose of this investigation was directed to propose sensitive, accurate and reproducible methods of analysis that can be applied to determine distigmine bromide (DTB), cyclopentolate hydrochlori...

Effects of methyl substituent on the charge-transfer complexations of dicarbazolylalkanes with p-chloranil, tetracyanoethylene and tetracyanoquinodimethane.

Spectrochim. Acta. A. Mol. Biomol. Spectrosc. 79(5) , 1731-8, (2011)

Series of 1,n-dicarbazolylalkanes and 1,n-di(3-methylcarbazolyl)alkanes (where n=1-5) were synthesized and the molar extinction coefficients, equilibrium constants, enthalpies, and entropies of their ...

Spectrophotometric, FTIR and theoretical studies of the charge-transfer complexes between isoniazid (pyridine-4-carboxylic acid hydrazide) and the acceptors (p-chloranil, chloranilic acid and tetracyanoethylene) in acetonitrile, their association constants, thermodynamic properties and other related properties

Spectrochim. Acta. A. Mol. Biomol. Spectrosc. 95 , 637-47, (2012)

Graphical abstract