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1-Ethyl-4-methylquinolinium iodide

Also known as: 1-ETHYL-4-METHYLQUINOLIN-1-IUM IODIDE, 1-ETHYL-4-METHYLQUINOLINIUM IODIDE, 1-Ethyllepidinium iodide, 1-Ethyl-lepidinium-iodid, 1-ethyl-4-methyl-quinoliniuiodide, 1-ethyl-4-methylquinolin-1-ium,iodide, 4-Methylquinoline ethiodide, Lepidine ethiodide, Lepidinium ethiodide, MFCD00192160, N-ethyl-4-methylquinolinium iodide, QuinoliniuM, 1-ethyl-4-Methyl-, iodide

1-Ethyl-4-methylquinolinium iodide (CAS 605-59-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C12H14IN and a molecular weight of 299.15100 g/mol. Key property: a melting point of 143-146ºC(lit.). It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
605-59-4
Jingsj CID
J-7286-6
Molecular Formula
C12H14IN
Molecular Weight
299.15100 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026
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Physicochemical Properties

Melting Point143-146ºC(lit.)
Exact Mass299.01700
PSA3.88000

GHS Safety & Compliance

IrritantSignal word: Warning
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Frequently Asked Questions

What is the CAS number of 1-Ethyl-4-methylquinolinium iodide?

The CAS number of 1-Ethyl-4-methylquinolinium iodide is 605-59-4.

What are the molecular formula and molecular weight of 1-Ethyl-4-methylquinolinium iodide?

1-Ethyl-4-methylquinolinium iodide has molecular formula C12H14IN and molecular weight 299.15100 g/mol.

Is 1-Ethyl-4-methylquinolinium iodide hazardous?

1-Ethyl-4-methylquinolinium iodide has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.

What are the upstream and downstream products of 1-Ethyl-4-methylquinolinium iodide?

For 1-Ethyl-4-methylquinolinium iodide, Upstream Products: 4-Methylquinoline, Iodoethane; Downstream Products: Cryptocyanine, 1,1'-Diethyl-4,4'-dicarbocyanine iodide, Dicyanine A.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "1-Ethyl-4-methylquinolinium iodide (CAS 605-59-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-7286-6 (accessed 2026-11-09).

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