tert-Butyl 2-(hydroxymethyl)pyrrolidine-1-carboxylate

Also known as: 1-(tert-Butoxycarbonyl)-2-pyrrolidinemethanol, 1-Boc-(2-Hydroxymethyl)pyrrolidine, 1-Boc-2-pyrrolidinemethanol, 2-Methyl-2-propanyl 2-(hydroxymethyl)-1-pyrrolidinecarboxylate, Boc-DL-Prolinol, N-(tert-Butoxycarbonyl)-DL-prolinol, N-Boc-DL-prolinol, 2-Hydroxymethylpyrrolidine-1-carboxylic acid tert-butyl ester

tert-Butyl 2-(hydroxymethyl)pyrrolidine-1-carboxylate (CAS 170491-63-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H19NO3 and a molecular weight of 201.263 g/mol. Key properties include a melting point of 52-54℃, a boiling point of 289.5±13.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 128.9±19.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 170491-63-1
Jingsj CID: J-1084441-4
Molecular Formula: C₁₀H₁₉NO₃
Molecular Weight: 201.263 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	52-54℃
Boiling Point	289.5±13.0 °C at 760 mmHg
Density	1.1±0.1 g/cm3
Flash Point	128.9±19.8 °C
Exact Mass	201.136490
PSA	49.77000
LogP	0.46
Vapor Pressure	0.0±1.3 mmHg at 25°C
Refractive Index	1.484

Customs & Trade Information

HS Code	2933990090
Summary	2933990090. 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 tert-Butyl 2-(hydroxymethyl)pyrrolidine-1-carboxylate?

The CAS number of tert-Butyl 2-(hydroxymethyl)pyrrolidine-1-carboxylate is 170491-63-1.

What are the molecular formula and molecular weight of tert-Butyl 2-(hydroxymethyl)pyrrolidine-1-carboxylate?

tert-Butyl 2-(hydroxymethyl)pyrrolidine-1-carboxylate has molecular formula C10H19NO3 and molecular weight 201.263 g/mol.

What are the upstream and downstream products of tert-Butyl 2-(hydroxymethyl)pyrrolidine-1-carboxylate?

For tert-Butyl 2-(hydroxymethyl)pyrrolidine-1-carboxylate, Upstream Products: Di-tert-butyl dicarbonate, Pyrrolidin-2-ylmethanol, Boc-L-Proline; Downstream Products: (S)-tert-butyl 2-(phenoxymethyl)pyrrolidine-1-carboxylate, 1-(3,4,5,6-Tetrahydropyridin-2-yl)ethanone.

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

Last updated: 8/21/2026

How to cite: Jingsj. "tert-Butyl 2-(hydroxymethyl)pyrrolidine-1-carboxylate (CAS 170491-63-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1084441-4 (accessed 2026-11-09).

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