Ethyl Acetoacetate (EAA), CAS 141-97-9, is also known as ethyl 3-oxobutanoate or acetoacetic acid ethyl ester. It is a beta-keto ester used in organic synthesis and intermediate manufacture. For procurement review, confirm the intended synthesis route, required assay and impurity criteria, and offered form, packaging, and applicable safety documentation.
Ethyl Acetoacetate (EAA) CAS 141-97-9
- CAS: 141-97-9
- Synonyms: Ethyl acetoacetate; Ethyl 3-oxobutanoate; Acetoacetic acid ethyl ester; EAA
- Einecs: 205-516-1
- Molecular Formula: C₆H₁₀O₃
- Grade: Confirm current product specification
- Package: Confirm packaging for the offered form
Product Description
Product name: Ethyl Acetoacetate (EAA)
CAS number: 141-97-9
Molecular formula: C₆H₁₀O₃
Molecular weight: 130.14 g/mol
EC number: 205-516-1
Other names: Ethyl acetoacetate; Ethyl 3-oxobutanoate; Acetoacetic acid ethyl ester; EAA
Chemical class: a beta-keto ester
Identity check: Ethyl acetoacetate and ethyl 3-oxobutanoate identify the substance under CAS 141-97-9.
Technical context: organic synthesis and intermediate manufacture
RFQ information: Before an RFQ, confirm the intended synthesis route, required assay and impurity criteria, and offered form.
Offered form: Not specified; confirm the actual offered form.
Specification review: Confirm identity, relevant assay or impurity criteria, and suitability in the current technical dossier.
Packaging and documents: Confirm packaging and applicable documentation for the actual offered product.
FAQ - Technical & Supply Chain
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Q:
Are Ethyl Acetoacetate, EAA and Ethyl 3-Oxobutanoate the same substance?
A: Yes. These names identify CAS 141-97-9, formula C₆H₁₀O₃. Do not confuse Ethyl Acetoacetate with Methyl Acetoacetate or other beta-keto esters. Contracts and labels should use the full name and CAS number because the abbreviation EAA can be ambiguous outside a defined chemical specification. -
Q:
Which batch controls matter for Ethyl Acetoacetate?
A: Agree GC assay, water, acidity, ethanol, ethyl acetate and other process-related impurities, plus color, density, refractive index and distillation range where relevant. State how keto-enol behavior is handled by the test method. Compare the lot COA with the agreed specification and sampling procedure before use. -
Q:
How should industrial Ethyl Acetoacetate be packaged and transferred?
A: Specify drum, IBC or bulk format, compatible lining and gasket materials, seal arrangement, loading date and allowable moisture exposure. The receiving site should approve the flammable-liquid classification, current SDS, grounding and bonding, ventilation and closed-transfer connection. Confirm storage-temperature limits and avoid contamination with incompatible reagents.
Ordering & Documentation
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Sample & Supply
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Storage & Shipping
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