(-)-N-Methylephedrine

甲基麻黄碱

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. It is also known as N-Methylephedrine, (1R,2S)-(-)-N-Methylephedrine and (1R,2S)-2-(Dimethylamino)-1-phenylpropan-1-ol. Key properties include a melting point of 86-88 â„ƒ(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. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 552-79-4
Jingsj CID: J-1614041-7
Molecular Formula: C₁₁H₁₇NO
Chinese Name: 甲基麻黄碱
Molecular Weight: 179.259 g/mol
Category: Organic Bases
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	86-88 â„ƒ(lit.)
Boiling Point	251.3±0.0 °C at 760 mmHg
Density	1.0±0.1 g/cm3
Flash Point	96.9±20.6 °C

GHS Safety & Compliance

IrritantSignal word: Warning

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.

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

Last updated: 8/21/2026

How to cite: Jingsj. "(-)-N-Methylephedrine (CAS 552-79-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1614041-7 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.