Molekula
N-Ethylmaleimide
N-Ethylmaleimide is a chemical compound used primarily as a sulfhydryl-reactive agent in biochemistry and protein modification. It functions as an alkylating agent, commonly employed in enzyme inhibition and protein cross-linking studies. Available in 100g, 500g, and 1kg packaging, it has a molecular weight of 125.13 g/mol, a molecular formula of C6H7NO2, and a CAS number of 128-53-0. Store at 2 to 8 °C. Molekula supplies N-Ethylmaleimide from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Overview
N-Ethylmaleimide is a chemical compound used primarily as a sulfhydryl-reactive agent in biochemistry and protein modification. It functions as an alkylating agent, commonly employed in enzyme inhibition and protein cross-linking studies. Available in 100g, 500g, and 1kg packaging, it has a molecular weight of 125.13 g/mol, a molecular formula of C6H7NO2, and a CAS number of 128-53-0. Store at 2 to 8 °C. Molekula supplies N-Ethylmaleimide from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Specifications
| Property | Value |
|---|---|
| Appearance | White to light yellow crystals |
| Melting Point | 41° - 46℃ |
| Identification | Conforms to reference |
| Solubility | Clear to slightly hazy, colourless to slightly yellow at 50 mg/ml in 95% ethanol |
| Assay | ≥99.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Flash Point | 72 C |
| Transport Class | 6.1 (8) |
| Packing Group | II |
| Shelf Life | 24 months |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| CAS Number | 128-53-0 |
| Molecular Formula | C6H7NO2 |
| Molecular Weight | 125.13 |
| SMILES | CCN1C(=O)C=CC1=O |
| EC / UN Number | 2928 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29251942 |
| Tariff Code | 2925199590 |
Safety & GHS
-
Explosive
GHS01
-
Compressed Gas
GHS04
-
Corrosive
GHS05
Hazard statements
- H300 Fatal if swallowed
- H311 Toxic in contact with skin
- H314 (sub cat. 1B) Causes severe skin burns and eye damage
- H317 May cause an allergic skin reaction
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P264 Wash thoroughly after handling
- 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
For research and industrial use only
Documents
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.
Pricing & pack sizes
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is N-Ethylmaleimide used for?
N-Ethylmaleimide is commonly used as a sulfhydryl-reactive reagent in biochemistry and protein chemistry for modifying cysteine residues.
What is the chemical formula and molecular weight of N-Ethylmaleimide?
The formula is C6H7NO2 and the molecular weight is 125.13 g/mol.
How should N-Ethylmaleimide be stored?
It should be stored at 2 to 8 °C to maintain stability and prevent degradation.
What grade of N-Ethylmaleimide does Molekula supply?
Molekula supplies N-Ethylmaleimide in high-purity research grade.
Can Molekula supply N-Ethylmaleimide in bulk?
Yes, Molekula can supply N-Ethylmaleimide in bulk quantities—please contact our sales team for details.
What documentation comes with an order of N-Ethylmaleimide?
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.