N-Methyldiethanolamine
Also known as: 2,2'-(Methylimino)diethanol, N,N-Bis(2-hydroxyethyl)methylamine, Methyl diethanolamine, Diethanolmethylamine, Methyldiethanolamin, Methyliminodiethanol, N-Methyl-2,2'-iminodiethanol, Mdea (diol), MDEA
N-Methyldiethanolamine (CAS 105-59-9) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C5H13NO2 and a molecular weight of 119.162 g/mol. Key properties include a melting point of -21 °C, a boiling point of 243 ºC, a density of 1.038 and a flash point of 137 ºC. It is classified under GHS with signal word Warning and hazard statements H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 105-59-9
- Jingsj CID
- J-11644-6
- Molecular Formula
- C5H13NO2
- Molecular Weight
- 119.162 g/mol
- Category
- Solvents
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -21 °C |
|---|---|
| Boiling Point | 243 ºC |
| Density | 1.038 |
| Flash Point | 137 ºC |
| Exact Mass | 119.094627 |
| PSA | 43.70000 |
| LogP | -0.72 |
| Additional Property | 4 (vs air) |
| Vapor Pressure | 0.0±1.1 mmHg at 25°C |
| Refractive Index | 1.4675-1.4695 |
| Additional Property | MISCIBLE |
GHS Safety & Compliance
- H319 — Causes serious eye irritation
Customs & Trade Information
| HS Code | 2922194000 |
|---|---|
| Summary | 2922194000 2,2'-(methylazanediyl)diethanol。supervision conditions:23(import license for dual-use item and technologies,export license for dual-use item and technologies)。VAT:17.0%。tax rebate rate:9.0%。MFN tarrif:6.5%。general tariff:30.0% |
Frequently Asked Questions
What is the CAS number of N-Methyldiethanolamine?
The CAS number of N-Methyldiethanolamine is 105-59-9.
What are the molecular formula and molecular weight of N-Methyldiethanolamine?
N-Methyldiethanolamine has molecular formula C5H13NO2 and molecular weight 119.162 g/mol.
Is N-Methyldiethanolamine hazardous?
N-Methyldiethanolamine has GHS signal word Warning and hazard statements H319 — Causes serious eye irritation.
What are the upstream and downstream products of N-Methyldiethanolamine?
For N-Methyldiethanolamine, Upstream Products: Ethylene oxide, 2-(Methylamino)ethanol, Bis(2-chloroethyl) ether; Downstream Products: Formaldehyde, N-Methyl-2,2'-diaminodiethylamine, 2-[(2-Aminoethyl)(methyl)amino]ethanol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "N-Methyldiethanolamine (CAS 105-59-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-11644-6 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.