Molekula

1-Methyl-2-pyrrolidinone SG

SKU 43456401 CAS 872-50-4 C4H6ONCH3 MW 99.13 In stock (5+ packs) — same-day dispatch

ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Certificate of Analysis with every batch

1-Methyl-2-pyrrolidinone (NMP) is a highly polar aprotic solvent widely used in industrial processes, including battery manufacturing, electronics cleaning, and polymer production due to its excellent solvency and thermal stability. It serves as a solvent for a variety of materials, including cellulose, resins, and inorganic compounds. This chemical has a CAS number of 872-50-4, a molecular formula of C5H9NO, and a molecular weight of 99.13. It is stored at ambient conditions and carries a signal word of Danger. Molekula supplies 1-Methyl-2-pyrrolidinone from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

CoA by batch Download specification Download MSDS

Overview

Pricing & pack sizes

Pack sizes & pricing

£ GBP € EUR $ USD

1 L — £77.70 per pack

Prices exclude VAT/sales tax and shipping. Bulk and custom pack sizes available on request.

Specifications

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Property	Value
Appearance	Clear colourless to light yellow liquid
Colour (Pt-Co)	≤ 50
Water	≤ 0.5%
Identification	Conforms to reference
Free Amine	≤ 100ppm
Assay GC	≥ 99.0%

Storage & handling

Property	Value
Storage Temperature	Ambient
Flash Point	91 C
Acidity	Base

Identification

Property	Value
SKU	43456401
CAS Number	872-50-4
Molecular Formula	C4H6ONCH3
Molecular Weight	99.13
SMILES	O=C1N(C)CCC1
REACH Code	Y110
TSCA Listed	Yes
HTS Code	29339997
Tariff Code	2933790090

Safety & GHS

Danger

Health Hazard GHS07
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, Russian, 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 (NMP) commonly used for?

NMP is widely used as a solvent for polymers, resins, and coatings, as well as in pharmaceuticals, agrochemicals, and battery manufacturing.

What is the chemical formula and molecular weight of NMP?

The chemical formula is **C₅H₉NO** (corrected from C₄H₆ONCH₃, which is redundant), and the molecular weight is **99.13 g/mol**.

How should NMP be stored?

Store NMP in a tightly sealed container at **ambient temperature**, away from ignition sources and incompatible materials.

What grades of NMP does Molekula supply?

Molekula supplies **technical-grade NMP** suitable for industrial applications; purity specifications are available upon request.

Can Molekula supply NMP in bulk quantities?

Yes, we offer NMP in bulk (drums, IBCs, or tanker loads) for large-scale industrial customers—contact us for pricing and logistics.

What documentation is provided with an NMP order?

Each order includes a **Certificate of Analysis (CoA)**, Safety Data Sheet (SDS), and a packing slip; additional certifications (e.g., REACH) are available.

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.

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