4,4'-Biphenyldicarbonitrile
Also known as: 4,4'-Dicyanobiphenyl, 4,4'-Bibenzonitrile, 4,4'-Dibenzonitrile, 4-(4-cyanophenyl)benzonitrile, Biphenyl-4,4'-dicarbonitrile, 4-(4-cyanophenyl)benzenecarbonitrile, MFCD00013805
4,4'-Biphenyldicarbonitrile (CAS 1591-30-6) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C14H8N2 and a molecular weight of 204.227 g/mol. Key properties include a melting point of 236-240 °C(lit.), a boiling point of 403.5±38.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 199.2±20.7 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, 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.
- 1591-30-6
- Jingsj CID
- J-13640-3
- Molecular Formula
- C14H8N2
- Molecular Weight
- 204.227 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 236-240 °C(lit.) |
|---|---|
| Boiling Point | 403.5±38.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 199.2±20.7 °C |
| Exact Mass | 204.068741 |
| PSA | 47.58000 |
| LogP | 2.61 |
| Vapor Pressure | 0.0±0.9 mmHg at 25°C |
| Refractive Index | 1.631 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- 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 4,4'-Biphenyldicarbonitrile?
The CAS number of 4,4'-Biphenyldicarbonitrile is 1591-30-6.
What are the molecular formula and molecular weight of 4,4'-Biphenyldicarbonitrile?
4,4'-Biphenyldicarbonitrile has molecular formula C14H8N2 and molecular weight 204.227 g/mol.
Is 4,4'-Biphenyldicarbonitrile hazardous?
4,4'-Biphenyldicarbonitrile has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H312 — Harmful in contact with skin; H332 — Harmful if inhaled.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4,4'-Biphenyldicarbonitrile (CAS 1591-30-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-13640-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.