Skip to main content

4-Ethylpyridine

Also known as: 4-Ethyl-pyridine, γ-Ethylpyridine, gamma-Ethylpyridine, N-ethylpyridine, ethylpyridine, Pyridine, 4-ethyl-, 4-ETHYLPYRIDINE, GAMMA-ETHYLPYRIDINE, 4-Et-pyridine, MFCD00006450, EINECS 208-646-7, NSC 822, NSC 965

4-Ethylpyridine (CAS 536-75-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H9N and a molecular weight of 107.15300 g/mol. Key properties include a melting point of -91 °C, a boiling point of 168 °C(lit.), a density of 0.942 g/mL at 25 °C(lit.) and a flash point of 47.8 °C. It is classified under GHS with signal word Warning and hazard statements H226 — Flammable liquid and vapour, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.

CAS No.
536-75-4
Jingsj CID
J-20187-8
Molecular Formula
C7H9N
Molecular Weight
107.15300 g/mol
Category
Pharma Intermediates
Last updated
11/2/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point-91 °C
Boiling Point168 °C(lit.)
Density0.942 g/mL at 25 °C(lit.)
Flash Point47.8 °C
Exact Mass107.07300
PSA12.89000
LogP1.64400
Refractive Indexn20/D 1.501(lit.)
Additional Property34 g/L

GHS Safety & Compliance

Flammable / IrritantSignal word: Warning
  • H226 — Flammable liquid and vapour
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Customs & Trade Information

HS Code2933399090
Summary2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 4-Ethylpyridine?

The CAS number of 4-Ethylpyridine is 536-75-4.

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

4-Ethylpyridine has molecular formula C7H9N and molecular weight 107.15300 g/mol.

Is 4-Ethylpyridine hazardous?

4-Ethylpyridine has GHS signal word Warning and hazard statements H226 — Flammable liquid and vapour; H315 — Causes skin irritation; H319 — Causes serious eye irritation.

What are the upstream and downstream products of 4-Ethylpyridine?

For 4-Ethylpyridine, Upstream Products: 4-Ethynylpyridine, 4-Vinylpyridine, Pyridine; Downstream Products: Isoniazid, 3-Bromo-4-ethylpyridine, 3,5-Dibromo-4-ethylpyridine.

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-Ethylpyridine (CAS 536-75-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-20187-8 (accessed 2026-11-07).

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