1-Methyl 2-pyrrollidone, for HPLC, for spectr… 872-50-4

Name: 1-Methyl 2-pyrrollidone, for HPLC, for spectroscopy ≥99.50%
Brand: Vaqora Chemicals
SKU: VQ-045751

About 1-Methyl 2-pyrrollidone, for HPLC, for spectroscopy ≥99.50%

Listed under CAS 872-50-4, 1-Methyl 2-pyrrollidone is an HPLC grade solvent available from Vaqora Chemicals in HPLC / Spectroscopy grade, specified at ≥99.50% purity. The compound has the formula C5H9NO, corresponding to a molecular weight of 99.13 g/mol. Its systematic (IUPAC) name is 1-methylpyrrolidin-2-one. Alternative names: N-Methyl-2-pyrrolidone and N-Methylpyrrolidone.

It is supplied as a liquid. Keep containers tightly closed in a cool, well-ventilated area away from heat and ignition sources. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

It is commonly used for HPLC mobile phase, LC-MS sample preparation and trace analysis. Buyers come mainly from academic and industrial research and pharmaceutical manufacturing.

Available in 500 mL, 1 L, 2 L and 2.5 L packs, 1-Methyl 2-pyrrollidone is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

HPLC mobile phase
LC-MS sample preparation
Trace analysis

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	1-Methyl 2-pyrrollidone, for HPLC, for spectroscopy ≥99.50%
Catalogue No.	VQ-045751
CAS Number	872-50-4
IUPAC name	1-methylpyrrolidin-2-one
Molecular formula	C₅H₉NO
Molecular weight	99.13 g/mol
Exact mass	99.0684
Grade	HPLC / Spectroscopy
Purity / assay	≥99.50%
HSN code	29337910
InChIKey	SECXISVLQFMRJM-UHFFFAOYSA-N
SMILES	CN1CCCC1=O
PubChem CID	13387

Physical properties
Physical form	Liquid
LogP (XLogP3)	-0.5
H-bond donors / acceptors	0 / 1
TPSA	20.3 Å²
Synonyms	N-Methyl-2-pyrrolidone, N-Methylpyrrolidone, N-Methyl-2-pyrrolidinone, Methylpyrrolidone, 1-Methyl-2-pyrrolidone, 1-Methylpyrrolidone, Methyl pyrrolidone, N-Methylpyrrolidinone, 1-Methylpyrrolidinone, n-methyl-pyrrolidone, 1-Methyl-5-pyrrolidinone, 2-Pyrrolidinone, 1-methyl-

Safety & hazard information (GHS)

Harmful / irritant

Health hazard

Signal word: Danger

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P203, P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P318, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Other grades of CAS 872-50-4

Synthesis

1-Methyl 2-pyrrollidone, 99%

CAS: 872-50-4
Formula: C₅H₉NO
MW: 99.13 g/mol

VQ-001954

GC

1-Methyl 2-pyrrollidone, for GC ≥99%

CAS: 872-50-4
Formula: C₅H₉NO
MW: 99.13 g/mol

VQ-045497

Spectroscopy

1-Methyl 2-pyrrollidone, for spectroscopy

CAS: 872-50-4
Formula: C₅H₉NO
MW: 99.13 g/mol

VQ-045965

AR

1-Methyl 2-pyrrollidone, GR 99%+

CAS: 872-50-4
Formula: C₅H₉NO
MW: 99.13 g/mol

VQ-001764

USP

1-Methyl 2-pyrrollidone, USP

CAS: 872-50-4
Formula: C₅H₉NO
MW: 99.13 g/mol

VQ-047013

HPLC

N-Methyl-2-pyrrolidone, for HPLC 99%+

CAS: 872-50-4
Formula: C₅H₉NO
MW: 99.13 g/mol

VQ-001744

Frequently asked questions

What is the CAS number of 1-Methyl 2-pyrrollidone, for HPLC, for spectroscopy ≥99.50%?

The CAS Registry Number of 1-Methyl 2-pyrrollidone, for HPLC, for spectroscopy ≥99.50% is 872-50-4. It is also known as N-Methyl-2-pyrrolidone, N-Methylpyrrolidone, N-Methyl-2-pyrrolidinone.

What is the molecular formula and molecular weight of 1-Methyl 2-pyrrollidone, for HPLC, for spectroscopy ≥99.50%?

1-Methyl 2-pyrrollidone, for HPLC, for spectroscopy ≥99.50% has the molecular formula C5H9NO and a molecular weight of 99.13 g/mol. Its IUPAC name is 1-methylpyrrolidin-2-one.

Which grade and pack sizes of 1-Methyl 2-pyrrollidone, for HPLC, for spectroscopy ≥99.50% can I order?

We supply 1-Methyl 2-pyrrollidone, for HPLC, for spectroscopy ≥99.50% in HPLC / Spectroscopy (≥99.50%) grade, in 500 mL, 1 L, 2 L, 2.5 L, 200 L packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 1-Methyl 2-pyrrollidone, for HPLC, for spectroscopy ≥99.50%?

Yes. Every lot of 1-Methyl 2-pyrrollidone, for HPLC, for spectroscopy ≥99.50% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can 1-Methyl 2-pyrrollidone, for HPLC, for spectroscopy ≥99.50% be shipped internationally?

Yes. 1-Methyl 2-pyrrollidone, for HPLC, for spectroscopy ≥99.50% is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.