Ethyl 2-acetoxy-2-methylacetoacetate
Ethyl 2-acetoxy-2-methylacetoacetate (CAS: 25409-39-6; Formula: C8H12O5; Molar Mass: 202.20 g/mol) is a specialised organic ester. It serves as a valuable building block in chemical synthesis, particularly within the C8 to C9 molecular weight range. The compound features a reactive keto-ester structure with an acetoxy group, lending itself to various chemical transformations. It is primarily utilised in research and development settings for the preparation of other complex organic molecules and intermediates.
- IUPAC
- Ethyl 2-acetyllactate acetate

Synthesis of 2-Acetolactate
Ethyl 2-acetoxy-2-methylacetoacetate can be hydrolysed using sodium hydroxide (NaOH) to yield 2-acetolactate, a key intermediate in various biochemical pathways.
Biochemical Research
This compound has been employed in studies involving the isolation and characterisation of novel microorganisms, such as *Geobacillus* sp., for the production of valuable biochemicals like acetoin and 2,3-butanediol.
Organic Synthesis Intermediate
As a versatile building block, Ethyl 2-acetoxy-2-methylacetoacetate is utilised in general organic synthesis for the construction of more complex molecular architectures.
| Molecular weight | 202.20 |
|---|---|
| Linear formula | CH3COC(O2CCH3)(CH3)CO2C2H5 |
| Assay | 97% |
| Boiling point | 80-84 °C/1 mmHg(lit.) |
| Density | 1.079 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.428(lit.) |
| Application | Ethyl 2-acetoxy-2-methylacetoacetate was used to prepare 2-acetolactate via hydrolysis with NaOH1. It was also used in isolation and characterization of a novel thermophilic bacterium Geobacillus sp. for the production of acetoin and 2,3-butanediol2. |
| Protective equipment | Eyeshields, Gloves |
|---|---|
| Flash point | 104 °C / 219.2 °F |
| Water hazard class (WGK, DE) | 3 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets 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 Ethyl 2-acetoxy-2-methylacetoacetate used for?
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It is primarily used as a building block in organic synthesis and for the preparation of compounds such as 2-acetolactate. It has also been used in studies involving the isolation of microorganisms for biochemical production.
What are the CAS number and chemical formula for Ethyl 2-acetoxy-2-methylacetoacetate?
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The CAS number is 25409-39-6 and the chemical formula is C8H12O5.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Ethyl 2-acetoxy-2-methylacetoacetate with a minimum purity of 97%. This product is suitable for general research and technical applications. TSS does not represent this product as USP, BP, EP or other pharmacopoeia grades.
What are the safety considerations when handling Ethyl 2-acetoxy-2-methylacetoacetate?
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When handling this chemical, it is important to wear appropriate personal protective equipment, including eyeshields and gloves. The compound has a flash point of 104 °C (219.2 °F) and is classified under WGK Germany 3, indicating it is hazardous to water.
Is Ethyl 2-acetoxy-2-methylacetoacetate shipped internationally?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including Ethyl 2-acetoxy-2-methylacetoacetate.
How can I request a sample or quote for Ethyl 2-acetoxy-2-methylacetoacetate?
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Please contact our sales team via the website or by phone to request a sample or a quotation for Ethyl 2-acetoxy-2-methylacetoacetate.
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