Monoethyl Maleate
Monoethyl Maleate (CAS 3990-03-2) supplier Zemixal. Request a quote with price, lead time and documents. Packs from 100 mg.
About Monoethyl Maleate
Zemixal supplies Monoethyl Maleate within its pharma Intermediates & Building Blocks portfolio. Identity at a glance: CAS 3990-03-2, formula C6H8O4 and molar mass 144.12 g/mol.
Common uses in the lab and plant
- Organic synthesis
- API synthesis
Storage and safety notes
It carries the GHS signal word Danger (H302, H315, H318 and H319), so wear gloves and eye protection and work with good ventilation.
Standard pack sizes are 100 mg, 250 mg, 1 g and 5 g, and custom quantities are quoted on request. You receive a batch certificate of analysis and a 16-section SDS with each order. Request pricing online and we confirm availability, documentation and freight to your country.
Typical uses
- Organic synthesis
- API synthesis
Applications
Specifications and identifiers
| Product name | Monoethyl Maleate |
|---|---|
| Catalogue number | ZX-034554 |
| CAS number | 3990-03-2 |
| IUPAC name | (Z)-4-ethoxy-4-oxobut-2-enoic acid |
| Molecular formula | C6H8O4 |
| Molar mass | 144.12 g/mol |
| Exact mass | 144.0423 |
| XLogP3 | 0.2 |
| H-bond donors / acceptors | 1 / 4 |
| Topological polar surface area | 63.6 Ų |
| InChIKey | XLYMOEINVGRTEX-ARJAWSKDSA-N |
| SMILES | CCOC(=O)/C=C\C(=O)O |
| PubChem CID | 5354457 |
| Synonyms | maleic acid, ethyl ester, Ethyl maleate, Maleic Acid Monoethyl Ester, Ethyl hydrogen maleate, Maleic acid, monoethyl ester, 2-Butenedioic acid (Z)-, monoethyl ester, (2Z)-4-ethoxy-4-oxobut-2-enoic acid, 2-Butenedioic acid (Z), monoethyl ester, 2-Butenedioic acid (2Z)-, 1-ethyl ester, 2-Butenedioic acid (2Z)-, monoethyl ester, propenoic acid, 3-ethoxycarbonyl-, Sipomer MEM |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
Signal word Danger
- H302Harmful if swallowed
- H315Causes skin irritation
- H318Causes serious eye damage
- H319Causes serious eye irritation
- H330Fatal if inhaled
- H335May cause respiratory irritation
Precautionary statements P260, P261, P264, P264 + P265, P270, P271, P280, P284, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P305 + P354 + P338, P316, P317, P319, P320, P321, P330, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405
Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.
Pack sizes
| 100 mg | Quoted on request | |
| 250 mg | Quoted on request | |
| 1 g | Quoted on request | |
| 5 g | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
Questions about Monoethyl Maleate
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