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Lobeline hydrochloride

Also known as: alpha-Lobeline hydrochloride, (-)-Lobeline hydrochloride, Lobeline HCl, 2-((2R,6S)-6-((S)-2-hydroxy-2-phenylethyl)-1-methylpiperidin-2-yl)-1-phenylethanone hydrochloride, 2-(6-(2-Hydroxy-2-phenylethyl)-1-methylpiperidin-2-yl)-1-phenylethanone hydrochloride, 2-[6-(2-Hydroxy-2-phenylethyl)-1-methyl-2-piperidinyl]-1-phenylethanone hydrochloride, Ethanone, 2-[(2R,6S)-6-[(2S)-2-hydroxy-2-phenylethyl]-1-methyl-2-piperidinyl]-1-phenyl-, hydrochloride (1:1)

Lobeline hydrochloride (CAS 134-63-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C22H28ClNO2 and a molecular weight of 373.916 g/mol. Key properties include a melting point of 183-185 °C (dec.)(lit.), a boiling point of 485.6ºC at 760mmHg and a flash point of 247.5ºC. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed and H331 — Toxic if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
134-63-4
Jingsj CID
J-8863-1
Molecular Formula
C22H28ClNO2
Molecular Weight
373.916 g/mol
Category
Organic Acids
Last updated
8/21/2026
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Physicochemical Properties

Melting Point183-185 °C (dec.)(lit.)
Boiling Point485.6ºC at 760mmHg
Flash Point247.5ºC
Exact Mass373.180847
PSA40.54000
LogP4.97590
Vapor Pressure3.02E-11mmHg at 25°C
Refractive Index-57.5 ° (C=1, H2O)
Additional PropertyH2O: 25 mg/mL

GHS Safety & Compliance

Acute ToxicitySignal word: Danger
  • H301 — Toxic if swallowed
  • H331 — Toxic if inhaled

Frequently Asked Questions

What is the CAS number of Lobeline hydrochloride?

The CAS number of Lobeline hydrochloride is 134-63-4.

What are the molecular formula and molecular weight of Lobeline hydrochloride?

Lobeline hydrochloride has molecular formula C22H28ClNO2 and molecular weight 373.916 g/mol.

Is Lobeline hydrochloride hazardous?

Lobeline hydrochloride has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H331 — Toxic if inhaled.

What are the upstream and downstream products of Lobeline hydrochloride?

For Lobeline hydrochloride, Downstream Products: (-)-Lobeline.

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

Last updated:

How to cite: Jingsj. "Lobeline hydrochloride (CAS 134-63-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-8863-1 (accessed 2026-11-09).

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