N-Ethylmaleimide
N-Ethylmaleimide (CAS 128-53-0), molecular formula C6H7NO2, is a high-purity chemical supplied by Tech Serve Solutions for biochemicals & reagents applications, to pharmacopoeia specification (USP, BP, EP). Every batch is tested and ships with a Certificate of Analysis; MSDS and technical data sheets are available on request. Tech Serve Solutions has supplied laboratory reagents, fine chemicals and pharmaceutical intermediates worldwide since 1998.
- IUPAC
- NEM
| Molecular weight | 125.13 |
|---|---|
| Empirical formula | C6H7NO2 |
| Assay | ≥98% (HPLC) |
| Form | crystalline |
| Boiling point | 210 °C(lit.) |
| Solubility | 95% ethanol: soluble50 mg/mL, clear to slightly hazy (colorless to faint yellow) |
| Storage temperature | 2-8°C |
| Melting point | 43-46 °C(lit.) |
| Impurities tested | ≤0.001% Phosphorus (P)≤0.1% Insoluble matter |
| Application | Reagent for the covalent modification of cysteine residues in proteins. |
Hazard statements
- H300Fatal if swallowed
- H311Toxic in contact with skin
- H314Causes severe skin burns and eye damage
- H317May cause an allergic skin reaction
Precautionary statements
- P264Wash thoroughly after handling
- P280Wear protective gloves, clothing and eye/face protection
- P301IF SWALLOWED
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Flash point | 73 °C / 163.4 °F |
| Transport (UN / ADR) | UN 2928 6.1/PG 2 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T+ |
| Risk statements (R) | 21-28-34-43 |
| Safety statements (S) | 26-28-36/37/39-45 |
| Cation traces | Al: ≤0.0005%Ca: ≤0.0005%Cu: ≤0.0005%Fe: ≤0.0005%K: ≤0.005%Mg: ≤0.0005%Na: ≤0.005%Pb: ≤0.001%Zn: ≤0.0005% |
| Anion traces | chloride (Cl-): ≤0.05%sulfate (SO42-): ≤0.05% |
| Ignition residue | ≤0.1% |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Quality Level | PREMIUM |
|---|---|
| Gene Information | human ... KCNQ2(3785), KCNQ4(9132), KCNQ5(56479), SLC6A3(6531), SLC6A4(6532) |
Documentation
Supplied to USP, BP and EP standards. Every batch ships with a Certificate of Analysis (assay, identity, purity); MSDS and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is N-Ethylmaleimide?
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N-Ethylmaleimide (CAS 128-53-0), molecular formula C6H7NO2, is a high-purity chemical supplied by Tech Serve Solutions for biochemicals & reagents applications, to USP, BP and EP standards.
What grades of N-Ethylmaleimide does Tech Serve Solutions supply?
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Tech Serve Solutions supplies N-Ethylmaleimide in USP, BP, EP and reagent/AR grades. Custom specifications for nutraceutical or specialty pharmaceutical applications are available — contact our technical sales team.
What is the CAS number and molecular formula of N-Ethylmaleimide?
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N-Ethylmaleimide has CAS number 128-53-0 and molecular formula C6H7NO2. Full specifications appear in the table above and in the Certificate of Analysis.
What is the typical minimum order quantity and lead time for N-Ethylmaleimide?
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Sample quantities are available for technical evaluation; bulk MOQ depends on grade and packaging. In-stock material typically ships in 7–10 working days; custom-spec orders take 3–4 weeks. Tech Serve Solutions ships worldwide with full export documentation.
Do you provide a Certificate of Analysis (CoA) with each shipment?
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Yes. Every batch of N-Ethylmaleimide ships with a Certificate of Analysis covering assay, identity and purity tests, plus pharmacopoeia conformance where applicable. MSDS and TDS documents are available on request before order placement.
How should N-Ethylmaleimide be stored?
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Store N-Ethylmaleimide in its original sealed container in a cool, dry place away from direct sunlight and incompatible materials, in line with the storage guidance on the Safety Data Sheet. Reseal between dispensings.
What is N-Ethylmaleimide used for?
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N-Ethylmaleimide is used in biochemicals & reagents applications across pharmaceutical, research and industrial settings. Our technical team can advise on suitability for your specific process.
How do I request a quote for N-Ethylmaleimide?
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Request a quote with your required grade, quantity and destination via https://www.techservesolutions.in/contact or email info@techservesolutions.in. We respond with specifications, a Certificate of Analysis and pricing.
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