4-Butylbenzonitrile
Also known as: p-Butylbenzonitrile, 1-Butyl-4-cyanobenzene, 1-n-butylbenzonitrile, 4-butylbenzenecarbonitrile, 4-n-butylcyanobenzene, Benzonitrile, 4-butyl-, MFCD00052345, P-BUTYLBENZONITRILE, p-n-butylbenzonitrile
4-Butylbenzonitrile (CAS 20651-73-4) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C11H13N and a molecular weight of 159.228 g/mol. Key properties include a boiling point of 261.7±19.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 112.2±14.0 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H312 — Harmful in contact with skin and H315 — Causes skin irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 20651-73-4
- Jingsj CID
- J-4138-3
- Molecular Formula
- C11H13N
- Molecular Weight
- 159.228 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 261.7±19.0 °C at 760 mmHg |
|---|---|
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 112.2±14.0 °C |
| Exact Mass | 159.104797 |
| PSA | 23.79000 |
| LogP | 3.71 |
| Vapor Pressure | 0.0±0.5 mmHg at 25°C |
| Refractive Index | 1.514 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H312 — Harmful in contact with skin
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H332 — Harmful if inhaled
- H335 — May cause respiratory irritation
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-Butylbenzonitrile?
The CAS number of 4-Butylbenzonitrile is 20651-73-4.
What are the molecular formula and molecular weight of 4-Butylbenzonitrile?
4-Butylbenzonitrile has molecular formula C11H13N and molecular weight 159.228 g/mol.
Is 4-Butylbenzonitrile hazardous?
4-Butylbenzonitrile has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H312 — Harmful in contact with skin; H315 — Causes skin irritation.
What are the upstream and downstream products of 4-Butylbenzonitrile?
For 4-Butylbenzonitrile, Upstream Products: 4-Chlorobenzonitrile, 1-Butaneboronic acid, n-Butyllithium; Downstream Products: (4-Butylphenyl)methanamine, 4-(Hexyloxy)phenyl 4-butylbenzoate, 4-n-Butyl-benzamidine hydrochloride.
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-Butylbenzonitrile (CAS 20651-73-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-4138-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.