1-Methyl 2-pyrrollidone, GR 99%+

Name: 1-Methyl 2-pyrrollidone, GR 99%+
Brand: Vaqora Chemicals
SKU: VQ-001764

About 1-Methyl 2-pyrrollidone, GR 99%+

Vaqora Chemicals supplies 1-Methyl 2-pyrrollidone (AR grade), an analytical reagent grade solvent registered under CAS number 872-50-4 with a typical assay of ≥99%. Formula C5H9NO, molecular weight 99.13 g/mol. The IUPAC name is 1-methylpyrrolidin-2-one. Common synonyms include N-Methylpyrrolid-2-one and NMP.

It is supplied as an almost colourless to pale yellow coloured liquid. Literature values give a melting point of -24 °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.

It is commonly used for analytical reagent work, extraction and recrystallisation, titrimetric analysis and polymer and resin production. Our customers for this product work in academic and industrial research, pharmaceutical manufacturing and polymers and plastics.

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

Analytical reagent work
Extraction & recrystallisation
Titrimetric analysis
Polymer & resin production

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	1-Methyl 2-pyrrollidone, GR 99%+
Catalogue No.	VQ-001764
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	AR
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
LogP (XLogP3)	-0.5
H-bond donors / acceptors	0 / 1
TPSA	20.3 Å²
Synonyms	N-Methylpyrrolid-2-one, NMP, 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

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

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

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, GR 99%+?

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

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

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

We supply 1-Methyl 2-pyrrollidone, GR 99%+ in AR (≥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, GR 99%+?

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

Yes. 1-Methyl 2-pyrrollidone, GR 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.