N-Methyldibutylamine

Also known as: N,N-Dibutylmethylamine, Dibutylmethylamine, N-butyl-N-methylbutan-1-amine, N-Methyldi-n-butylamine, 1-Butanamine,N-butyl-N-methyl, Dibutylamine, N-methyl-, N,N-dibutyl-N-methylamine, methyl dibutyl amine, di-1-butylmethylamine, N-methyl-di-1-butylamine, EINECS 222-288-9, MFCD00009430

N-Methyldibutylamine (CAS 3405-45-6) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C9H21N and a molecular weight of 143.27000 g/mol. Key properties include a boiling point of 164.6ºC at 760mmHg, a density of 0.777g/cm3 and a flash point of 42.2ºC. It is classified under GHS with signal word Danger and hazard statements H226 — Flammable liquid and vapour, H302 — Harmful if swallowed and H332 — Harmful if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 3405-45-6
Jingsj CID: J-35702-8
Molecular Formula: C₉H₂₁N
Molecular Weight: 143.27000 g/mol
Category: Organic Bases
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	164.6ºC at 760mmHg
Density	0.777g/cm3
Flash Point	42.2ºC
Exact Mass	143.16700
PSA	3.24000
LogP	2.51840
Refractive Index	n20/D 1.4178(lit.)

GHS Safety & Compliance

Flammable / Corrosion / Acute ToxicitySignal word: Danger

H226 — Flammable liquid and vapour
H302 — Harmful if swallowed
H332 — Harmful if inhaled
H311 — Toxic in contact with skin
H314 — Causes severe skin burns and eye damage

Customs & Trade Information

HS Code	2921199090
Summary	2921199090 other acyclic monoamines and their derivatives; salts thereof 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 N-Methyldibutylamine?

The CAS number of N-Methyldibutylamine is 3405-45-6.

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

N-Methyldibutylamine has molecular formula C9H21N and molecular weight 143.27000 g/mol.

Is N-Methyldibutylamine hazardous?

N-Methyldibutylamine has GHS signal word Danger and hazard statements H226 — Flammable liquid and vapour; H302 — Harmful if swallowed; H332 — Harmful if inhaled.

What are the upstream and downstream products of N-Methyldibutylamine?

For N-Methyldibutylamine, Upstream Products: Formaldehyde, Dibutylamine, N-Methylbutylamine; Downstream Products: Carbon tetrafluoride, perfluoropropane, Difluoromethane.

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-Methyldibutylamine (CAS 3405-45-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-35702-8 (accessed 2026-11-09).

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