Sodium L-pyroglutamate

L-吡咯烷酮-5-羧酸钠

Also known as: Sodium 5-oxo-L-prolinate, 5-Oxo-L-proline monosodium salt, Sodium PCA, Sodium Pyrrolidone Carboxylate, Sodium pyroglutamate, 5-Oxoproline sodium salt, L-PCA-NA, Sodium (2S)-5-oxo-2-pyrrolidinecarboxylate, UNII:469OTG57A2

Sodium L-pyroglutamate (CAS 28874-51-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H6NNaO3 and a molecular weight of 151.096 g/mol. It is also known as Sodium 5-oxo-L-prolinate, 5-Oxo-L-proline monosodium salt and Sodium PCA. Key properties include a melting point of 125ºC, a boiling point of 453.1ºC at 760 mmHg, a density of 1.45 and a flash point of 227.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
28874-51-3
Jingsj CID
J-2204-8
Molecular Formula
C5H6NNaO3
Chinese Name
L-吡咯烷酮-5-羧酸钠
Molecular Weight
151.096 g/mol
Category
Organic Acids
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point125ºC
Boiling Point453.1ºC at 760 mmHg
Density1.45
Flash Point227.8ºC

Frequently Asked Questions

What is the CAS number of Sodium L-pyroglutamate?

The CAS number of Sodium L-pyroglutamate is 28874-51-3.

What are the molecular formula and molecular weight of Sodium L-pyroglutamate?

Sodium L-pyroglutamate has molecular formula C5H6NNaO3 and molecular weight 151.096 g/mol.

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

Last updated:

How to cite: Jingsj. "Sodium L-pyroglutamate (CAS 28874-51-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-2204-8 (accessed 2026-10-23).

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