mono-Ethyl fumarate
mono-Ethyl fumarate (CAS 2459-05-4), molecular formula C2H5OCOCH=CHCOOH, is a high-purity chemical supplied by Tech Serve Solutions for organic building blocks 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
- Fumaric acid monoethyl ester,Monoethyl fumarate

| Molecular weight | 144.13 |
|---|---|
| Linear formula | C2H5OCOCH=CHCOOH |
| Assay | 95% |
| Boiling point | 147 °C/16 mmHg(lit.) |
| Application | mono-Ethyl fumarate (fumaric acid monoethyl ester, monoethyl fumarate) was used in the preparation of photo-crosslinkable macromers1. It was also used to synthesize Ugi/intramolecular Diels-Alder (IMDA) cycloaddition products2. |
| Melting point | 66-68 °C(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
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 mono-Ethyl fumarate?
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mono-Ethyl fumarate (CAS 2459-05-4), molecular formula C2H5OCOCH=CHCOOH, is a high-purity chemical supplied by Tech Serve Solutions for organic building blocks applications, to USP, BP and EP standards.
What grades of mono-Ethyl fumarate does Tech Serve Solutions supply?
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Tech Serve Solutions supplies mono-Ethyl fumarate 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 mono-Ethyl fumarate?
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mono-Ethyl fumarate has CAS number 2459-05-4 and molecular formula C2H5OCOCH=CHCOOH. Full specifications appear in the table above and in the Certificate of Analysis.
What is the typical minimum order quantity and lead time for mono-Ethyl fumarate?
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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 mono-Ethyl fumarate 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 mono-Ethyl fumarate be stored?
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Store mono-Ethyl fumarate 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 mono-Ethyl fumarate used for?
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mono-Ethyl fumarate is used in organic building blocks 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 mono-Ethyl fumarate?
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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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