3-Carbamoyl-2,2,5,5-tetramethyl-1-pyrrolidinyloxy

3-氨基甲酰-2,2,5,5-四甲基-1-吡咯烷氧基

Also known as: 3-Carbamoyl-PROXYL, Carbamoyl-PROXYL, 3-Carbamoyl-2,2,5,5-tetramethylpyrrolidin-1-yloxy, 3-(Aminocarbonyl)-2,2,5,5-tetramethyl-1-pyrrolidinyloxy, 2,2,5,5-Tetramethylpyrrolidine-1-oxyl-3-carboxamide, 1-Pyrrolidinyloxy, 3-carbamoyl-2,2,5,5-tetramethyl-, 3-Carbamoyl-2,2,5,5-tetramethyl-1-pyrrolidinyloxy free radical, 3-Carbamoyl-2,2,5,5-tetramethylpyrrolidinooxyl, 3-Carbamoyl-2,2,5,5-tetramethyl-1-pyrrolidineoxy, 3-Carbamoyl-2,2,5,5-tetramethyl-pyrrolidine-1-oxyl, 3-Carbamoyl-2,2,5,5-tetramethyl-pyrrolidine-N-oxyl radical, Carbamoylproxyl, NSC 152272

3-Carbamoyl-2,2,5,5-tetramethyl-1-pyrrolidinyloxy (CAS 4399-80-8) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C9H17N2O2 and a molecular weight of 185.24300 g/mol. It is also known as 3-Carbamoyl-PROXYL, Carbamoyl-PROXYL and 3-Carbamoyl-2,2,5,5-tetramethylpyrrolidin-1-yloxy. Key properties include a melting point of 173-175ºC(lit.), a boiling point of 341.8ºC at 760 mmHg, a density of 1.082g/cm3 and a flash point of 160.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
4399-80-8
Jingsj CID
J-42222-2
Molecular Formula
C9H17N2O2
Chinese Name
3-氨基甲酰-2,2,5,5-四甲基-1-吡咯烷氧基
Molecular Weight
185.24300 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point173-175ºC(lit.)
Boiling Point341.8ºC at 760 mmHg
Density1.082g/cm3
Flash Point160.5ºC

Frequently Asked Questions

What is the CAS number of 3-Carbamoyl-2,2,5,5-tetramethyl-1-pyrrolidinyloxy?

The CAS number of 3-Carbamoyl-2,2,5,5-tetramethyl-1-pyrrolidinyloxy is 4399-80-8.

What are the molecular formula and molecular weight of 3-Carbamoyl-2,2,5,5-tetramethyl-1-pyrrolidinyloxy?

3-Carbamoyl-2,2,5,5-tetramethyl-1-pyrrolidinyloxy has molecular formula C9H17N2O2 and molecular weight 185.24300 g/mol.

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

Last updated:

How to cite: Jingsj. "3-Carbamoyl-2,2,5,5-tetramethyl-1-pyrrolidinyloxy (CAS 4399-80-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-42222-2 (accessed 2026-10-23).

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