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3-Mercapto-2-Butanone CAS NO 40789-98-8
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CAS No.:40789-98-8
Grade:Pharmacy Grade
Content:99.9%
Brand:Customizable
Packaging:Customizable
Description
3-Mercapto-2-Butanone is a sulfur-containing ketone with a distinctive thiol functional group, making it a valuable organosulfur building block and flavor/fragrance intermediate. Its unique chemical structure provides reactive sites for synthesis and contributes potent, meaty, and roasted aroma characteristics. This compound is essential for R&D chemists and manufacturers in the flavor & fragrance, pharmaceutical, and fine chemical synthesis industries seeking to create complex sulfur-based molecules.
Application
- Flavor & Fragrance Industry: A key intermediate for creating savory, meaty, and roasted flavor profiles in processed foods, seasonings, and reaction flavors.
- Aroma Chemical Synthesis: Serves as a crucial building block for synthesizing more complex sulfur-containing aroma compounds like furanthiols and thiazoles.
- Pharmaceutical Intermediates: Used in the research and development of active pharmaceutical ingredients (APIs) that incorporate sulfur heterocycles.
- Fine Chemical Production: Acts as a versatile reagent in organic synthesis for introducing the thiol or thioketone moiety into target molecules.
- Research & Development: Employed in academic and industrial labs for studying thiol-ketone chemistry and developing new synthetic methodologies.
Basic Information
| Product Name | 3-Mercapto-2-Butanone |
| CAS No. | 40789-98-8 |
| Molecular Formula | C4H8OS |
| Molecular Weight | 104.17 g/mol |
| Synonyms | 2-Butanone, 3-mercapto-; 3-Mercaptobutan-2-one; 3-Thiol-2-butanone; 2-Oxo-3-butanethiol; 3-Mercapto-2-butanone; 3-Sulfanylbutan-2-one |
| EINECS | Contact for details |
Quality Control
Our 3-Mercapto-2-Butanone is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including chromatography and spectroscopy, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all relevant specifications are provided to guarantee the material meets your research or production requirements.
Storage
Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place under an inert atmosphere (e.g., nitrogen) to minimize oxidation. Recommended storage temperature is 2-8°C for long-term stability. Keep away from strong oxidizing agents.
Specification
| Item | Specification |
|---|---|
| Appearance | Colorless to pale yellow liquid |
| Identification (IR) | Conforms to structure |
| Assay (GC) | ≥ 95.0% |
| Purity (GC Area %) | ≥ 97.0% |
| Water Content (KF) | ≤ 0.5% |
Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.
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Trusted Manufacturer
With our own production facilities, we ensure consistent quality, reliable supply, and full traceability.
Rigorous Quality Assurance
Each batch undergoes strict QC, accompanied by COA, MSDS, and full compliance with international standards.
Advanced R&D Expertise
Our in-house lab drives process innovation, new product development, and tailored synthesis solutions.





