Description

Dimethyl Methoxymethylenemalonate (CAS No. 22398-14-7) is a high-purity, specialty organic compound with the molecular formula C₇H₁₀O₅. This ester derivative of malonic acid features a reactive methoxymethylidene group, making it a valuable intermediate in synthetic organic chemistry and pharmaceutical research. Its IUPAC name is dimethyl 2-(methoxymethylidene)propanedioate, and it is characterized by its clear to pale-yellow liquid appearance under standard conditions.

Our product is rigorously tested for purity and stability, ensuring optimal performance in demanding laboratory and industrial applications. It is supplied in tightly sealed, light-resistant containers to prevent degradation. Ideal for researchers and scientists working on fine chemical synthesis, heterocyclic chemistry, and the development of novel agrochemicals or active pharmaceutical ingredients (APIs).

Synonyms: EINECS 244-957-4, DTXSID90176925, NSC 131266, DTXCID3099416

Properties

• CAS Number: 22398-14-7
• Complexity: 188
• IUPAC Name: dimethyl 2-(methoxymethylene)propanedioate
• InChI: InChI=1S/C7H10O5/c1-10-4-5(6(8)11-2)7(9)12-3/h4H,1-3H3
• InChI Key: RHFZTBSULNJWEI-UHFFFAOYSA-N
• Exact Mass: 174.05282342
• Molecular Formula: C7H10O5
• Molecular Weight: 174.15
• SMILES: COC=C(C(=O)OC)C(=O)OC
• Topological: 61.8
• Monoisotopic Mass: 174.05282342
• Synonyms: Dimethyl methoxymethylenemalonate, EINECS 244-957-4, DTXSID90176925, NSC 131266, DTXCID3099416, 244-957-4, 22398-14-7, Dimethyl 2-(methoxymethylene)malonate, 1,3-dimethyl 2-(methoxymethylidene)propanedioate, dimethyl 2-(methoxymethylidene)propanedioate, MFCD00038225, Propanedioic acid, (methoxymethylene)-, dimethyl ester, Methoxymethylenemalonic Acid Dimethyl Ester, SCHEMBL166090, dimethyl methoxymethylidenemalonate, dimethyl (methoxymethylene)malonate, XAA39814, dimethyl methoxymethylenepropanedioate, AC9790, NSC131266, dimethyl methoxymethylene-propanedioate, AKOS016010185, FS-4252, NSC-131266, dimethyl(methoxymethylidene)propanedioate, dimethyl (methoxymethylidene)propanedioate, methoxymethylenmalonic acid dimethyl ester, DA-34833, SY039657, CS-0119967, M1207, NS00027158, EN300-67321, InChI=1/C7H10O5/c1-10-4-5(6(8)11-2)7(9)12-3/h4H,1-3H

Application

Dimethyl methoxymethylenemalonate is widely used as a versatile building block in organic synthesis, particularly in the preparation of heterocyclic compounds and functionalized malonate derivatives. It serves as a key intermediate in the synthesis of pharmaceuticals, agrochemicals, and specialty materials due to its reactive methoxymethylidene group. Researchers also employ it in cyclization reactions and as a precursor for fine chemicals requiring tailored molecular architectures.

Safety and Hazards

GHS Hazard Statements

• H302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]
• H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
• H317 (66.7%): May cause an allergic skin reaction [Warning Sensitization, Skin]
• H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
• H334 (66.7%): May cause allergy or asthma symptoms or breathing difficulties if inhaled [Danger Sensitization, respiratory]
• H335 (66.7%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

Precautionary Statements

• P233, P260, P261, P264, P264+P265, P270, P271, P272, P280, P284, P301+P317, P302+P352, P304+P340, P305+P351+P338, P319, P321, P330, P332+P317, P333+P317, P337+P317, P342+P316, P362+P364, P403, P403+P233, P405, and P501

Hazard Classes and Categories

• Acute Tox. 4 (100%)
• Skin Irrit. 2 (100%)
• Eye Irrit. 2A (100%)

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Disclaimer: Sold exclusively for laboratory research. Prohibited for commercial use, diagnostics, or human/animal applications. Buyers assume all compliance liability.