Tetracyanoethylene

Modify Date: 2025-08-22 19:26:12

Tetracyanoethylene structure	Common Name	Tetracyanoethylene
	CAS Number	670-54-2	Molecular Weight	128.091
	Density	1.4±0.1 g/cm3	Boiling Point	219.8±35.0 °C at 760 mmHg
	Molecular Formula	C₆N₄	Melting Point	197-199 °C(lit.)
	MSDS	Chinese USA	Flash Point	94.4±19.8 °C
	Symbol	GHS06	Signal Word	Danger

Name	Tetracyanoethylene
Synonym	More Synonyms

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
InChIKey	NLDYACGHTUPAQU-UHFFFAOYSA-N
SMILES	N#CC(C#N)=C(C#N)C#N
Storage condition	2-8°C
Water Solubility	hydrolyzes

Tetracyanoethylene MSDS(Chinese)

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

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

Precursor 9
CAS#:1885-23-0 Dibromomalononitrile CAS#:109-77-3 Malononitrile CAS#:14778-29-1 2,3-DICYANO-SUC... CAS#:10025-67-9 Disulfur dichloride
CAS#:670-54-2 Tetracyanoethylene CAS#:773837-37-9 sodium cyanide CAS#:6613-49-6 Fumaronitrile, ... CAS#:7782-50-5 Chlorine
CAS#:1425681-47-5 ethene-1,1,2,2-...
DownStream 10
CAS#:460-19-5 cyanogen CAS#:1071-98-3 but-2-ynedinitrile CAS#:110569-38-5 1-phenyl-1,4-di... CAS#:110230-97-2 5-(5-thiophen-2...
CAS#:670-54-2 Tetracyanoethylene CAS#:3189-43-3 Tetracyanoethyl... CAS#:591-50-4 Iodobenzene CAS#:7732-18-5 Water
CAS#:67-64-1 Acetone CAS#:492-97-7 2,2'-Bithiophene

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%

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

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

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Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Tetracyanoethylene
Price: Check
Purity: 98.0%
Delivery: 10 Day
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Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: Tetracyanoethylene
Price: ￥318.0/5g ￥98.0/1g
Purity: 98.0%
Delivery: 3 Day
Contact: Liu jia
Email: 2130147988@qq.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Tetracyanoethylene
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Delivery: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

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Tetracyanoethylene

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