Molekula
Methyl Ethyl Ketone - USP CRS
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Certificate of Analysis with every batch
Methyl Ethyl Ketone (MEK) USP CRS is a colorless, volatile solvent widely used in pharmaceutical formulations, coatings, adhesives, and as a processing aid in polymer manufacturing. It functions as an effective solvent for cellulose acetate and nitrocellulose, as well as a degreaser and extraction agent in laboratory and industrial settings. This chemical has a CAS number of 78-93-3, with the molecular formula C4H8O and a molecular weight of 72.11 g/mol. It is stored at ambient conditions and carries a **Danger** signal word due to its flammability and potential health hazards upon exposure. Molekula supplies Methyl Ethyl Ketone USP CRS from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Overview
Methyl Ethyl Ketone (MEK) USP CRS is a colorless, volatile solvent widely used in pharmaceutical formulations, coatings, adhesives, and as a processing aid in polymer manufacturing. It functions as an effective solvent for cellulose acetate and nitrocellulose, as well as a degreaser and extraction agent in laboratory and industrial settings. This chemical has a CAS number of 78-93-3, with the molecular formula C4H8O and a molecular weight of 72.11 g/mol. It is stored at ambient conditions and carries a **Danger** signal word due to its flammability and potential health hazards upon exposure. Molekula supplies Methyl Ethyl Ketone USP CRS from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Pricing & pack sizes
Specifications
| Property | Value |
|---|---|
| Conclusion | Conforms to USP |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | -6 C |
| Transport Class | 3 |
| Packing Group | II |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 90038439 |
| CAS Number | 78-93-3 |
| Molecular Formula | C2H5COCH3 |
| Molecular Weight | 72.11 |
| SMILES | CCC(=O)C |
| EC / UN Number | 1193 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2914.12.0000 |
| Tariff Code | 2914120000 |
Safety & GHS
-
Flammable
GHS02
-
Health Hazard
GHS07
Hazard statements
- EUH066 Repeated exposure may cause skin dryness or cracking
- H225 Highly flammable liquid and vapour
- H303 May be harmful if swallowed
- H319 Causes serious eye irritation
- H336 May cause drowsiness or dizziness
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
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- 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, Portuguese, 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 Methyl Ethyl Ketone (MEK) USP CRS commonly used for?
MEK USP CRS is primarily used as a solvent in pharmaceutical manufacturing, adhesives, coatings, and as a processing aid in the production of plastics and textiles.
What is the chemical formula and molecular weight of Methyl Ethyl Ketone?
The chemical formula is **C₂H₅COCH₃** (C₄H₈O), and the molecular weight is **72.11 g/mol**.
How should Methyl Ethyl Ketone USP CRS be stored?
Store in a tightly sealed container at **ambient temperature**, away from ignition sources, oxidizing agents, and direct sunlight.
What grade of MEK is available, and is USP CRS suitable for pharmaceutical applications?
Molekula supplies **USP CRS (Chemical Reference Substance) grade**, which meets strict pharmaceutical standards for purity and consistency in drug manufacturing.
Can Molekula supply Methyl Ethyl Ketone in bulk quantities?
Yes, we offer bulk packaging options for MEK USP CRS, including drums and IBCs, to accommodate large-scale production needs.
What documentation is provided with an order of Methyl Ethyl Ketone USP CRS?
Each order includes a **Certificate of Analysis (CoA)**, **Safety Data Sheet (SDS)**, and **batch-specific documentation** to ensure compliance with USP and regulatory requirements.
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