1-Methyl 2-pyrrollidone, 99%

Name: 1-Methyl 2-pyrrollidone, 99%
Brand: Vaqora Chemicals
SKU: VQ-001954

About 1-Methyl 2-pyrrollidone, 99%

Vaqora Chemicals supplies 1-Methyl 2-pyrrollidone (Synthesis grade), an industrial solvent registered under CAS number 872-50-4, specified at 99% purity. Formula C5H9NO, molecular weight 99.13 g/mol. Systematically, it is named 1-methylpyrrolidin-2-one. Common synonyms include 1-Methyl-2-pyrrolidone and N-Methyl-2-pyrrolidone.

It is supplied as an almost colourless to pale yellow coloured liquid. Key physical data: a melting point of -24 °C and a boiling point of 81-82 °C. Store in a cool, well-ventilated place, away from sources of ignition, with the container tightly sealed. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

Key uses span industrial reaction medium, paints and coatings thinning and cleaning and degreasing. It is used across academic and industrial research, pharmaceutical manufacturing and paints and coatings.

We offer 1-Methyl 2-pyrrollidone in 500 mL, 5 L and 200 kg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Industrial reaction medium
Paints & coatings thinning
Cleaning & degreasing

Industries

Specifications & identifiers

Chemical identifiers
Product name	1-Methyl 2-pyrrollidone, 99%
Catalogue No.	VQ-001954
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	Synthesis
Purity / assay	99%
HSN code	29142990
InChIKey	SECXISVLQFMRJM-UHFFFAOYSA-N
SMILES	CN1CCCC1=O
PubChem CID	13387

Physical properties
Physical form	Liquid
Appearance	Almost colourless to pale yellow coloured liquid
Melting point	-24 °C
Boiling point	81-82 °C
Density	1.028 g/mL at 25 °C
LogP (XLogP3)	-0.5
H-bond donors / acceptors	0 / 1
TPSA	20.3 Å²
Synonyms	1-Methyl-2-pyrrolidone, N-Methyl-2-pyrrolidone, NMP, N-Methylpyrrolidone, N-Methyl-2-pyrrolidinone, Methylpyrrolidone, 1-Methylpyrrolidone, Methyl pyrrolidone, N-Methylpyrrolidinone, 1-Methylpyrrolidinone, n-methyl-pyrrolidone, 1-Methyl-5-pyrrolidinone

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

GC

1-Methyl 2-pyrrollidone, for GC ≥99%

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

VQ-045497

HPLC / Spectroscopy

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

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

VQ-045751

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, 99%?

The CAS Registry Number of 1-Methyl 2-pyrrollidone, 99% is 872-50-4. It is also known as 1-Methyl-2-pyrrolidone, N-Methyl-2-pyrrolidone, NMP.

What is the molecular formula and molecular weight of 1-Methyl 2-pyrrollidone, 99%?

1-Methyl 2-pyrrollidone, 99% 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, 99% can I order?

We supply 1-Methyl 2-pyrrollidone, 99% in Synthesis (99%) grade, in 500 mL, 5 L, 200 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 1-Methyl 2-pyrrollidone, 99%?

Yes. Every lot of 1-Methyl 2-pyrrollidone, 99% 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, 99% be shipped internationally?

Yes. 1-Methyl 2-pyrrollidone, 99% 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.