Tetracyanoethylene, 98%

About Tetracyanoethylene, 98%

Tetracyanoethylene is a synthetic reagent (Puriss grade) carrying the CAS registry number 670-54-2 with a typical assay of 98%. With the molecular formula C6N4, it has a molar mass of 128.09 g/mol. Its systematic (IUPAC) name is ethene-1,1,2,2-tetracarbonitrile. Common synonyms include Ethylenetetracarbonitrile and Percyanoethylene.

It is supplied as white to beige powder or crystals. Key physical data: a melting point of 197-199 °C. Store in a tightly closed container in a cool, dry and well-ventilated place. It carries the GHS signal word “Danger” with 7 hazard statements. Review the Safety Data Sheet before use.

Key uses span organic synthesis, reaction development and medicinal chemistry. Typical end-use sectors are academic and industrial research.

We offer Tetracyanoethylene in 5 g, 25 g and 1 kg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Organic synthesis
Reaction development
Medicinal chemistry

Industries

Specifications & identifiers

Chemical identifiers
Product name	Tetracyanoethylene, 98%
Catalogue No.	VQ-000995
CAS Number	670-54-2
IUPAC name	ethene-1,1,2,2-tetracarbonitrile
Molecular formula	C₆N₄
Molecular weight	128.09 g/mol
Exact mass	128.0123
Grade	Puriss
Purity / assay	98%
HSN code	29269000
InChIKey	NLDYACGHTUPAQU-UHFFFAOYSA-N
SMILES	C(#N)C(=C(C#N)C#N)C#N
PubChem CID	12635

Physical properties
Physical form	Crystalline
Appearance	White to beige powder or crystals
Melting point	197-199 °C
LogP (XLogP3)	-0.2
H-bond donors / acceptors	0 / 4
TPSA	95.2 Å²
UN number	UN 2811
Synonyms	Ethylenetetracarbonitrile, Percyanoethylene, TCNE, Tetracyanoethene, 1,1,2,2-Tetracyanoethene, eth-1-ene-1,1,2,2-tetracarbonitrile, 1,1,2,2-Tetracyanoethylene, delta2,2'-Bimalononitrile, TCNE cpd, 1,1,2,2-ethenetetracarbonitrile, Ethene, tetracyano-, delta(sup 2,2')-Bimalononitrile

Safety & hazard information (GHS)

Toxic

Harmful / irritant

Signal word: Danger

Hazard statements

H300Fatal if swallowed
H310Fatal in contact with skin
H312Harmful in contact with skin
H315Causes skin irritation
H319Causes serious eye irritation
H332Harmful if inhaled
H335May cause respiratory irritation

Precautionary statements: P261, P262, P264, P264 + P265, P270, P271, P280, P301 + P316, P302 + P352, P304 + P340, P305 + P351 + P338, P316, P317, P319, P321, P330, P332 + P317, P337 + P317, P361 + P364, P362 + P364, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Tetracyanoethylene, 98%?

The CAS Registry Number of Tetracyanoethylene, 98% is 670-54-2. It is also known as Ethylenetetracarbonitrile, Percyanoethylene, TCNE.

What is the molecular formula and molecular weight of Tetracyanoethylene, 98%?

Tetracyanoethylene, 98% has the molecular formula C6N4 and a molecular weight of 128.09 g/mol. Its IUPAC name is ethene-1,1,2,2-tetracarbonitrile.

Which grade and pack sizes of Tetracyanoethylene, 98% can I order?

We supply Tetracyanoethylene, 98% in Puriss (98%) grade, in 5 g, 25 g, 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Tetracyanoethylene, 98%?

Yes. Every lot of Tetracyanoethylene, 98% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Tetracyanoethylene, 98% be shipped internationally?

Yes. Tetracyanoethylene, 98% is classified as hazardous (UN 2811), so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.