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4-butoxybenzonitrile

Also known as: 4-n-butoxybenzonitrile, 4-butoxybenzonitrile, p-butoxybenzonitrile, 4-butyloxybenzonitrile, 4-butoxybenzenecarbonitrile, 4-n-butyloxybenzonitrile

4-butoxybenzonitrile (CAS 5203-14-5) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C11H13NO and a molecular weight of 175.22700 g/mol. Key properties include a boiling point of 240-244 °C(lit.), a density of 0.999 g/mL at 25 °C(lit.) and a flash point of >110.0 °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 Nov 3, 2026.

CAS No.
5203-14-5
Jingsj CID
J-15239-6
Molecular Formula
C11H13NO
Molecular Weight
175.22700 g/mol
Category
Aromatic Hydrocarbons
Last updated
11/3/2026

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Physicochemical Properties

Boiling Point240-244 °C(lit.)
Density0.999 g/mL at 25 °C(lit.)
Flash Point>110.0 °C
Exact Mass175.10000
PSA33.02000
LogP2.73718
Refractive Indexn20/D 1.526(lit.)

GHS Safety & Compliance

IrritantSignal word: Warning
  • H302 — Harmful if swallowed
  • H312 — Harmful in contact with skin
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Customs & Trade Information

HS Code2926909090
SummaryHS: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-butoxybenzonitrile?

The CAS number of 4-butoxybenzonitrile is 5203-14-5.

What are the molecular formula and molecular weight of 4-butoxybenzonitrile?

4-butoxybenzonitrile has molecular formula C11H13NO and molecular weight 175.22700 g/mol.

Is 4-butoxybenzonitrile hazardous?

4-butoxybenzonitrile 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-butoxybenzonitrile?

For 4-butoxybenzonitrile, Upstream Products: 4-Fluorobenzonitrile, 1-Butanol, 1-Bromobutane; Downstream Products: 4-Butoxybenzylamine.

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-butoxybenzonitrile (CAS 5203-14-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-15239-6 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.