α-Acetylbutyrolactone
Alpha-Acetylbutyrolactone (CAS: 517-23-7, Formula: C6H8O3) is a versatile organic compound with a molecular weight of 128.13 g/mol. As a lactone and carbonyl compound, it serves as a valuable building block in organic synthesis. Its typical assay of ≥99% makes it suitable for various chemical research and development applications where high purity is required. Tech Serve Solutions provides this reagent for laboratory and industrial use.

Organic Synthesis Intermediate
Alpha-Acetylbutyrolactone is utilised as a key intermediate in the synthesis of more complex organic molecules. Its lactone and acetyl functionalities allow for diverse chemical transformations.
Chemical Research and Development
This compound finds application in research laboratories exploring new synthetic pathways and developing novel chemical entities. Its established reactivity makes it a reliable starting material.
Building Block for Fine Chemicals
As an organic building block, it is employed in the production of fine chemicals and speciality materials. The compound's structure is conducive to incorporation into various target molecules.
| Molecular weight | 128.13 |
|---|---|
| Empirical formula | C6H8O3 |
| Assay | ≥99% |
| Boiling point | 107-108 °C/5 mmHg(lit.) |
| Density | 1.19 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.459(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 113 °C / 235.4 °F |
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| 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 Alpha-Acetylbutyrolactone used for?
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Alpha-Acetylbutyrolactone (CAS: 517-23-7) is primarily used as an intermediate and building block in organic synthesis and chemical research and development.
What are the CAS number and formula for Alpha-Acetylbutyrolactone?
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The CAS number for Alpha-Acetylbutyrolactone is 517-23-7, and its empirical formula is C6H8O3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Alpha-Acetylbutyrolactone with an assay of ≥99%. This product is not represented as USP, BP, or EP grade.
What are the key safety concerns when handling Alpha-Acetylbutyrolactone?
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Alpha-Acetylbutyrolactone is classified with GHS07 symbol and carries a Warning signal word. It causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Appropriate personal protective equipment, including eyeshields and gloves, is essential.
Is Alpha-Acetylbutyrolactone controlled or scheduled?
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The provided data does not indicate that Alpha-Acetylbutyrolactone is a controlled or scheduled substance.
How is Alpha-Acetylbutyrolactone packaged and shipped?
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Tech Serve Solutions exports fine chemicals globally. Packaging and shipping are conducted in accordance with international regulations for chemical transport.
How can I request a quote or sample?
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To request a quote or sample of Alpha-Acetylbutyrolactone, please contact our sales team through the website or by phone.
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