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N-Benzyl-L-proline ethyl ester

Also known as: (S)-Ethyl 1-benzylpyrrolidine-2-carboxylate, Ethyl benzyl-L-prolinate, L-Proline, 1-(phenylmethyl)-, ethyl ester, (S)-N-benzylproline ethyl ester, 1-Benzyl-L-proline ethyl ester, ethyl (2S)-1-benzylpyrrolidine-2-carboxylate, N-benzyl-(S)-proline ethyl ester, ethyl (S)-N-benzyl pyrrolidine-2-carboxylate, ethyl (S)-N-benzylprolinate

N-Benzyl-L-proline ethyl ester (CAS 955-40-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C14H19NO2 and a molecular weight of 233.30600 g/mol. Key properties include a boiling point of 308.9ºC at 760 mmHg, a density of 1.048 g/mL at 25ºC(lit.) and a flash point of >110.0 °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 Nov 3, 2026.

CAS No.
955-40-8
Jingsj CID
J-40142-3
Molecular Formula
C14H19NO2
Molecular Weight
233.30600 g/mol
Category
Organic Acids
Last updated
11/3/2026
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Physicochemical Properties

Boiling Point308.9ºC at 760 mmHg
Density1.048 g/mL at 25ºC(lit.)
Flash Point>110.0 °C
Exact Mass233.14200
PSA29.54000
LogP2.15200
Vapor Pressure0.15 mm Hg ( 100 °C)
Refractive Indexn20/D 1.511(lit.)

GHS Safety & Compliance

IrritantSignal word: Warning
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Customs & Trade Information

HS Code2933990090
Summary2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of N-Benzyl-L-proline ethyl ester?

The CAS number of N-Benzyl-L-proline ethyl ester is 955-40-8.

What are the molecular formula and molecular weight of N-Benzyl-L-proline ethyl ester?

N-Benzyl-L-proline ethyl ester has molecular formula C14H19NO2 and molecular weight 233.30600 g/mol.

Is N-Benzyl-L-proline ethyl ester hazardous?

N-Benzyl-L-proline ethyl ester 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-Benzyl-L-proline ethyl ester?

For N-Benzyl-L-proline ethyl ester, Upstream Products: Benzyl bromide, Ethanol, 1-Benzyl-L-proline; Downstream Products: Ethanol, 1-Benzyl-L-proline, (R)-Diphenylprolinol.

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-Benzyl-L-proline ethyl ester (CAS 955-40-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-40142-3 (accessed 2026-11-09).

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