Molekula
1-Methyl-2-pyrrolidinone for GC
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
1-Methyl-2-pyrrolidinone is a polar aprotic solvent used in gas chromatography for sample preparation and as a high-purity reagent in analytical applications. Industrially, it serves as a solvent for resins and polymers, in semiconductor manufacturing, for extracting aromatics and butadiene in petrochemical processing, and in coatings and paint stripping. It has a CAS number of 872-50-4, molecular formula C5H9NO, and molecular weight of 99.13 g/mol. Stored at ambient temperature, it is classified as dangerous. Molekula supplies 1-Methyl-2-pyrrolidinone for GC from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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1 L — £180.20 per pack ex VAT · £216.24 inc. VAT
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | Clear colourless liquid |
| Water | <0.1000% |
| Purity | ≥99.70% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 91 °C |
| Acidity | Base |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Clear liquid |
| Odour | Mild amine odor |
| Melting Point | -24.4 °C |
| Boiling Point | 202 °C |
| Density | 1.03 (relative, water = 1) |
| Vapour Pressure | 39 Pa at 25 °C |
| Refractive Index | 1.4684 |
| log P (octanol/water) | -0.38 |
Source: PubChem CID 13387 (HSDB, ICSC)
Identification
| Property | Value |
|---|---|
| SKU | 90033867 |
| CAS Number | 872-50-4 |
| IUPAC Name | 1-methylpyrrolidin-2-one |
| EC Number | 212-828-1 |
| Molecular Formula | C4H6ONCH3 |
| Molecular Weight | 99.13 |
| Exact Mass | 99.0684 |
| SMILES | CN1CCCC1=O |
| InChIKey | SECXISVLQFMRJM-UHFFFAOYSA-N |
| InChI | InChI=1S/C5H9NO/c1-6-4-2-3-5(6)7/h2-4H2,1H3 |
| PubChem CID | 13387 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29339997 |
| Tariff Code | 2933790090 |
Safety & GHS
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Health Hazard
GHS07
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Serious Health Hazard
GHS08
Hazard statements
- H227 Combustible liquid
- H303 May be harmful if swallowed
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
- H360D May harm the unborn child
Precautionary statements
- P210 Keep away from heat/sparks/open flames/hot surfaces - No smoking
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: Wash with soap and water
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is 1-Methyl-2-pyrrolidinone used for?
It is primarily used as a high-purity solvent in gas chromatography (GC) applications, especially for sample preparation and analysis.
What is the chemical formula and molecular weight?
The formula is C5H9NO and the molecular weight is 99.13 g/mol.
How should 1-Methyl-2-pyrrolidinone be stored?
It should be stored at ambient temperature, away from moisture and incompatible materials.
What grade is available?
It is available in GC-grade purity, suitable for high-sensitivity analytical applications.
Can Molekula supply it in bulk?
Yes, Molekula can supply 1-Methyl-2-pyrrolidinone in bulk quantities—please contact sales for details.
What documentation comes with the order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) with the shipment.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.