Methyl acetoacetate sodium salt
Methyl acetoacetate sodium salt (CAS: 34284-28-1) is a chemical compound with the linear formula CH3COCHNaCOOCH3 and a molecular weight of 138.10 g/mol. This sodium salt of methyl acetoacetate is a useful building block in organic synthesis. It is commonly employed in the preparation of various heterocyclic compounds and pharmaceuticals due to its reactive methylene group and ester functionality, serving as a versatile intermediate in chemical research and development.
- IUPAC
- Sodium methyl acetoacetate
- Synonyms
- Sodium methyl acetoacetate

Organic Synthesis Intermediate
Utilised as a key building block in the synthesis of complex organic molecules. Its structure allows for diverse reactions, including alkylation and condensation, facilitating the creation of novel compounds.
Pharmaceutical Precursor
Serves as an intermediate in the development of active pharmaceutical ingredients (APIs). It is employed in synthetic routes to generate heterocyclic structures commonly found in medicinal chemistry.
Heterocyclic Compound Synthesis
A valuable reagent for constructing various heterocyclic ring systems. Its reactivity enables its incorporation into diverse cyclisation reactions to form compounds with potential biological activity.
| Molecular weight | 138.10 |
|---|---|
| Linear formula | CH3COCHNaCOOCH3 |
| Assay | ≥97.0% (T) |
| Storage temperature | 2-8°C |
| Impurities tested | ~0.5% water |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
Precautionary statements
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/38 |
| 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
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 Methyl acetoacetate sodium salt used for?
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Methyl acetoacetate sodium salt is primarily used as a building block in organic synthesis, particularly for the preparation of heterocyclic compounds and as an intermediate in pharmaceutical synthesis.
What is the CAS number and formula for Methyl acetoacetate sodium salt?
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The CAS number is 34284-28-1 and the linear formula is CH3COCHNaCOOCH3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Methyl acetoacetate sodium salt with an assay of ≥97.0% (T). We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade; it is supplied for research and laboratory use.
How should Methyl acetoacetate sodium salt be handled safely?
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Handle with appropriate personal protective equipment, including a dust mask type N95 (US), eyeshields, and gloves. Avoid contact with skin and eyes, and avoid breathing dust. Refer to the Safety Data Sheet for comprehensive handling information.
What are the GHS hazards associated with Methyl acetoacetate sodium salt?
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Methyl acetoacetate sodium salt is classified with the GHS07 symbol, carries a Warning signal word, and has hazard statements H315 (Causes skin irritation) and H319 (Causes serious eye irritation).
How is Methyl acetoacetate sodium salt supplied and exported?
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Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals. Packaging and shipping are handled according to international regulations for chemical transport.
How can I request a quote or sample?
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To request a quote or a sample of Methyl acetoacetate sodium salt, please contact our sales department through the website or by phone.
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