N-Methyldioctylamine

Also known as: Methyldioctylamine, N,N-Di-n-octylmethylamine, N-Methyldi-n-octylamine, METHYL-DI-N-OCTYLAMINE, DI-N-OCTYLMETHYLAMINE, N,N-DIOCTYLMETHYLAMINE, N,N-DI-N-OCTYL-AMINOMETHANE, Di(octyl)methylamine, dioctylmethylamine, n,n-dioctyl-n-methylamine, n-methyl-dioctylamin, n-methyl-n-octyl-1-octanamin, N-Methyl-n-octyl-1-octanamine, 1-Octanamine, N-methyl-N-octyl-, Methyldioctylamin, N-methyl-N-octyloctan-1-amine, EINECS 224-703-9, MFCD00009559

N-Methyldioctylamine (CAS 4455-26-9) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C17H37N and a molecular weight of 255.48200 g/mol. Key properties include a melting point of −30.1 °C(lit.), a boiling point of 162-165 °C15 mm Hg(lit.), a density of 0.793 g/mL at 25 °C(lit.) and a flash point of 118°C. 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.: 4455-26-9
Jingsj CID: J-1994109-4
Molecular Formula: C₁₇H₃₇N
Molecular Weight: 255.48200 g/mol
Category: Organic Bases
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	−30.1 °C(lit.)
Boiling Point	162-165 °C15 mm Hg(lit.)
Density	0.793 g/mL at 25 °C(lit.)
Flash Point	118°C
Exact Mass	255.29300
PSA	3.24000
LogP	5.63920
Refractive Index	n20/D 1.4424(lit.)

GHS Safety & Compliance

Irritant / Environmental HazardSignal word: Warning

H315 — Causes skin irritation
H319 — Causes serious eye irritation
H335 — May cause respiratory irritation
H400 — Very toxic to aquatic life

Customs & Trade Information

HS Code	29211980

Frequently Asked Questions

What is the CAS number of N-Methyldioctylamine?

The CAS number of N-Methyldioctylamine is 4455-26-9.

What are the molecular formula and molecular weight of N-Methyldioctylamine?

N-Methyldioctylamine has molecular formula C17H37N and molecular weight 255.48200 g/mol.

Is N-Methyldioctylamine hazardous?

N-Methyldioctylamine 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 N-Methyldioctylamine?

For N-Methyldioctylamine, Upstream Products: N,N-Dimethyloctylamine, N-Methyloctan-1-amine, Dioctylamine; Downstream Products: Dimethyldioctylammonium chloride.

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

Last updated: 8/21/2026

How to cite: Jingsj. "N-Methyldioctylamine (CAS 4455-26-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1994109-4 (accessed 2026-11-09).

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