Tetracyanoethylene
Also known as: 1,1,2,2-Ethenetetracarbonitrile, 1,1,2,2-Ethylenetetracarbonitrile, 1,1,2,2-Tetracyanoethene, 1,1,2,2-Tetracyanoethylene, D2,2'-Bimalononitrile, EINECS 211-578-0, Ethen-1,1,2,2-tetracarbonitril, Ethene, tetracyano-, Ethylene, tetracyano-, MFCD00001850, TCNE, Tetracyanoethene, Tetracyanoαthylen(ausderSchmelze), delta(sup2,2’)-bimalononitrile, delta2,2'-Bimalononitrile, ethene-1,1,2,2-tetracarbonitrile, ethylene-1,1,2,2-tetracarbonitrile, tetracyanoethene, δ2,2'-Bimalononitrile
Tetracyanoethylene (CAS 670-54-2) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C6N4 and a molecular weight of 128.091 g/mol. Key properties include a melting point of 197-199 °C(lit.), a boiling point of 219.8±35.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 94.4±19.8 °C. It is classified under GHS with signal word Danger and hazard statements H300, H312 — Harmful in contact with skin and H332 — Harmful if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 670-54-2
- Jingsj CID
- J-1503823-2
- Molecular Formula
- C6N4
- Molecular Weight
- 128.091 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 197-199 °C(lit.) |
|---|---|
| Boiling Point | 219.8±35.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 94.4±19.8 °C |
| Exact Mass | 128.012299 |
| PSA | 95.16000 |
| LogP | -1.63 |
| Vapor Pressure | 0.1±0.4 mmHg at 25°C |
| Refractive Index | 1.532 |
| Additional Property | hydrolyzes |
GHS Safety & Compliance
- H300
- H312 — Harmful in contact with skin
- H332 — Harmful if inhaled
Customs & Trade Information
| 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% |
Frequently Asked Questions
What is the CAS number of Tetracyanoethylene?
The CAS number of Tetracyanoethylene is 670-54-2.
What are the molecular formula and molecular weight of Tetracyanoethylene?
Tetracyanoethylene has molecular formula C6N4 and molecular weight 128.091 g/mol.
Is Tetracyanoethylene hazardous?
Tetracyanoethylene has GHS signal word Danger and hazard statements H300; H312 — Harmful in contact with skin; H332 — Harmful if inhaled.
What are the upstream and downstream products of Tetracyanoethylene?
For Tetracyanoethylene, Upstream Products: Dibromomalononitrile, Malononitrile, Disulfur dichloride; Downstream Products: cyanogen, Tetracyanoethylene, Tetracyanoethylene Oxide.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Tetracyanoethylene (CAS 670-54-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1503823-2 (accessed 2026-11-07).
Data for reference only; verify product details with suppliers before purchase.