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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Tetracyanoethylene
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670-54-2

670-54-2 structure

670-54-2 structure

Name: Tetracyanoethylene
Chemical Name: Tetracyanoethylene
CAS Number: 670-54-2
Molecular Formula: C₆N₄
Molecular Weight: 128.091
Catalog: Chemical reagent Organic reagent Cyanide/nitrile
Create Date: 2018-03-22 08:00:00
Modify Date: 2026-07-09 11:29:33

Name	Tetracyanoethylene
Synonyms	Ethylene, tetracyano TCNE Ethene-1,1,2,2-tetracbonitrile Tetracyanoethylene (TCNE ) eth-1-ene-1,1,2,2-tetracbonitrile δ2,2'-Bimalononitrile Tetracyanoethylene > delta2,2'-Bimalononitrile ETHYLENETETRACBONITRILE Ethene, tetracyano Ethylenetetracbonitrile, Percyanoethylene, TCNE (NC)2CC(CN)2 tetracyanoethene TETRACYANOETHYLENE Tetracyanoethyleneoffwhitextl Tetrcyanoethylene EINECS 211-578-0 MFCD00001850 PERCYANOETHYLENE delta(sup2,2’)-bimalononitrile TetracyanoethyL Tetracyanoethylene, 2,3-Dicyanobut-2-ene-1,4-dinitrile ethene-1,1,2,2-tetracarbonitrile Ethen-1,1,2,2-tetracarbonitril ethylene-1,1,2,2-tetracarbonitrile Tetracyanoαthylen(ausderSchmelze) Tetrakyanethylen 1,1,2,2-Ethenetetracbonitrile 1,1,2,2-Tetracyanoethene Tetracyanoαthylen(ausLOsung) D2,2'-Bimalononitrile 1,1,2,2-Ethenetetracarbonitrile Tetracyanoethene Ethene tetracbonitrile 1,1,2,2-Ethylenetetracarbonitrile Ethylenetetracbonitrile TCNE Tetracyanoethylene, R 1,1,2,2-Ethylenetetracbonitrile 1,1,2,2-Tetracyanoethylene Tetracyanoethylene (purified by sublimation)

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

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
1885-23-0 109-77-3 14778-29-1 10025-67-9
670-54-2 773837-37-9 6613-49-6 7782-50-5
1425681-47-5
DownStream 10
460-19-5 1071-98-3 110569-38-5 110230-97-2
670-54-2 3189-43-3 591-50-4 7732-18-5
67-64-1 492-97-7

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%

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