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(-)-N-Methylephedrine

Also known as: N-Methylephedrine, (1R,2S)-(-)-N-Methylephedrine, (1R,2S)-2-(Dimethylamino)-1-phenylpropan-1-ol, L-N-Methylephedrine, Methylephedrine, N,N-Dimethylnorephedrine, MFCD00004504, EINECS 209-022-7, Benzenemethanol, α-[(1S)-1-(dimethylamino)ethyl]-, (αR)-, erythro-α-[1-(Dimethylamino)ethyl]benzyl Alcohol

(-)-N-Methylephedrine (CAS 552-79-4) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C11H17NO and a molecular weight of 179.259 g/mol. Key properties include a melting point of 86-88 ℃(lit.), a boiling point of 251.3±0.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 96.9±20.6 °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.
552-79-4
Jingsj CID
J-1614041-3
Molecular Formula
C11H17NO
Molecular Weight
179.259 g/mol
Category
Organic Bases
Last updated
8/21/2026

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Physicochemical Properties

Melting Point86-88 ℃(lit.)
Boiling Point251.3±0.0 °C at 760 mmHg
Density1.0±0.1 g/cm3
Flash Point96.9±20.6 °C
Exact Mass179.131012
PSA23.47000
LogP1.74
Vapor Pressure0.0±0.5 mmHg at 25°C
Refractive Index1.530

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 (-)-N-Methylephedrine?

The CAS number of (-)-N-Methylephedrine is 552-79-4.

What are the molecular formula and molecular weight of (-)-N-Methylephedrine?

(-)-N-Methylephedrine has molecular formula C11H17NO and molecular weight 179.259 g/mol.

Is (-)-N-Methylephedrine hazardous?

(-)-N-Methylephedrine 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-Methylephedrine?

For (-)-N-Methylephedrine, Upstream Products: Formaldehyde, Carbon dioxide, (-)-norephedrine; Downstream Products: (1S,2S)-(-)-1-Phenylpropylene oxide, (1R,2R)-(+)-1-Phenylpropylene oxide, Diniconazole.

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-Methylephedrine (CAS 552-79-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1614041-3 (accessed 2026-11-09).

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