Dehydroacetic acid
Dehydroacetic acid (CAS 520-45-6), with the molecular formula C8H8O4 and a molecular weight of 168.15 g/mol, is a versatile organic compound. It exists as a white crystalline powder and is recognised for its efficacy as a preservative and fungicide. This chemical is primarily utilised in industrial applications, including the synthesis of organic compounds and as an additive in various formulations requiring antimicrobial properties.
- IUPAC
- 2-Acetyl-5-hydroxy-3-oxo-4-hexenoic acid δ-lactone
- Synonyms
- 2-Acetyl-5-hydroxy-3-oxo-4-hexenoic acid delta-lactone
Preservative Agent
Dehydroacetic acid is effective in preventing the growth of fungi and bacteria. It is incorporated into various industrial products to extend shelf life and maintain product integrity against microbial spoilage.
Organic Synthesis Intermediate
As a functionalised organic molecule, dehydroacetic acid serves as a valuable building block in the synthesis of more complex organic compounds. Its reactive sites allow for diverse chemical transformations.
Fungicide and Biocide
Its potent antifungal properties make it suitable for use in applications where fungal contamination is a concern. This includes its application in industrial fluids and materials.
| Molecular weight | 168.15 |
|---|---|
| Empirical formula | C8H8O4 |
| Assay | ≥98.0% (T) |
| Boiling point | 270 °C(lit.) |
| Melting point | 111-113 °C(lit.) |
Hazard statements
- H302Harmful if swallowed
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Flash point | 157 °C / 314.6 °F |
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22 |
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 Dehydroacetic acid used for?
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Dehydroacetic acid is used as a preservative, fungicide, and biocide in various industrial applications. It also serves as an intermediate in organic synthesis.
What are the CAS number and formula for Dehydroacetic acid?
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The CAS number for Dehydroacetic acid is 520-45-6 and its molecular formula is C8H8O4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Dehydroacetic acid with an assay of ≥98.0% (T). TSS does not represent this product as USP, BP, or EP grade.
What are the primary safety concerns when handling Dehydroacetic acid?
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Dehydroacetic acid is classified with the GHS07 symbol and carries a 'Warning' signal word. It is harmful if swallowed (H302). Appropriate personal protective equipment, including a dust mask (N95), eyeshields, faceshields, and gloves, should be used during handling.
How is Dehydroacetic acid packed and shipped?
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Tech Serve Solutions can export Dehydroacetic acid globally. Packaging is carefully managed to ensure product integrity and compliance with shipping regulations.
How can I request a sample or quote for Dehydroacetic acid?
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To request a sample or a quote for Dehydroacetic acid, please contact our sales team through the website or by phone.
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