Molekula
1-Methylpyrrolidine
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-Methylpyrrolidine is a nitrogen-containing heterocyclic compound used as a building block in pharmaceutical and agrochemical synthesis. It also serves as a solvent and is permitted as an inert ingredient in non-food pesticide formulations. It is a colorless to pale yellow liquid with a strong amine odor. Available in high purity, it has a CAS number of 120-94-5, molecular formula C5H11N, and molecular weight of 85.15 g/mol. Stored at ambient temperature, it is classified as a hazardous substance with a signal word of Danger. Molekula supplies 1-Methylpyrrolidine 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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500 g — £121.70 per pack ex VAT · £146.04 inc. VAT
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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 | Colourless transparent liquid |
| Assay | ≥99.0% |
| Moisture | ≤0.3% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | -18 °C |
| Transport Class | 3 (6.1) (8) |
| Packing Group | II |
| Acidity | Base |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Melting Point | -90 °C |
| Boiling Point | 80.5 °C at 760 mmHg |
| Vapour Pressure | 100 mmHg |
| pKa | pKa = 10.3 |
Source: PubChem CID 8454 (PAC Chemical Database, Haz-Map, ChEMBL)
Identification
| Property | Value |
|---|---|
| SKU | 51308648 |
| CAS Number | 120-94-5 |
| IUPAC Name | 1-methylpyrrolidine |
| EC Number | 204-438-5 |
| Molecular Formula | C5H11N |
| Molecular Weight | 85.15 |
| Exact Mass | 85.0891 |
| SMILES | CN1CCCC1 |
| InChIKey | AVFZOVWCLRSYKC-UHFFFAOYSA-N |
| InChI | InChI=1S/C5H11N/c1-6-4-2-3-5-6/h2-5H2,1H3 |
| PubChem CID | 8454 |
| UN Number | UN3286 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29339997 |
| Tariff Code | 2933998090 |
Safety & GHS
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Flammable
GHS02
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Corrosive
GHS05
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Toxic
GHS06
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Hazardous to the Environment
GHS09
Hazard statements
- H225 Highly flammable liquid and vapour
- H301 Toxic if swallowed
- H314 (sub cat. 1A) Causes severe skin burns and eye damage
- H330 Fatal if inhaled
- H411 Toxic to aquatic life with long lasting effects
Precautionary statements
- P210 Keep away from heat/sparks/open flames/hot surfaces - No smoking
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
- P303+361 IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse with water/shower
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, 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
- Methylpyrrolidine
- N-methylpyrolidine
- N-methylpyrollidine
- N-methylpyrrolidin
- N-Methylpyrrolidine
- N-Methylpyrrolidine; N-Methyltetrahydropyrrole; NSC 65579;
- N-Methyltetrahydropyrrole
- Pyrrolidine, 1-methyl-
- PYRROLIDINE, N-METHYL
Frequently asked questions
What is 1-Methylpyrrolidine used for?
It is commonly used as a building block in organic synthesis, particularly in the production of pharmaceuticals and agrochemicals.
What is the chemical formula and molecular weight of 1-Methylpyrrolidine?
The formula is C5H11N with a molecular weight of 85.15 g/mol.
How should 1-Methylpyrrolidine be stored?
It should be stored at ambient temperature, away from moisture and incompatible materials.
What grade is available for 1-Methylpyrrolidine?
Available in technical and reagent grades; specific grades may vary by order size.
Can Molekula supply 1-Methylpyrrolidine in bulk?
Yes, Molekula can supply 1-Methylpyrrolidine in bulk quantities—please contact sales for details.
What documentation comes with an order of 1-Methylpyrrolidine?
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.