Dehydroacetic Acid (CAS 520-45-6): Comprehensive User Guide
Table of Contents
1. Technical Specifications & Competitive Analysis
| Parameter | Dehydroacetic Acid | Alternative Preservatives |
|---|---|---|
| CAS Number | 520-45-6 | Varies by compound |
| Molecular Formula | C8H8O4 | N/A |
| pH Stability | 3.0-8.5 | Limited ranges |
| Solubility | 0.1% in water (20°C) | Higher solubility requirements |
Regulatory Compliance: FDA 21 CFR 175.105, EU Cosmetics Regulation (EC) No 1223/2009
2. Industrial Applications & Functional Benefits
Primary Use Cases:
- Cosmetic Preservation: 0.3-0.6% in creams/lotions
- Food Protection: 200-500 ppm in baked goods
- Pharmaceuticals: Tablet coating stabilization
- Industrial: Latex emulsion preservation
Performance Advantages:
- Broad-spectrum antimicrobial activity
- Thermal stability up to 160°C
- Synergistic action with parabens
3. Implementation Protocols
Cosmetic Formulation Example:
- Pre-disperse in glycols (1:3 ratio)
- Add at <60°C during cooling phase
- Maintain pH 5.5-6.0 for optimal efficacy
Food Processing Application:
- Dissolve in ethanol (10% solution)
- Apply via spray coating system
- Maximum 0.05% in final product
4. Documented Performance Cases
Case 1: Cosmetic Shelf-Life Extension
Challenge: Microbial contamination in organic skincare line
Solution: 0.4% DHA in water phase + 0.2% benzyl alcohol
Result: 24-month stability at 40°C/75% RH
Case 2: Fruit Preservation Trial
Application: Post-harvest citrus treatment
Formula: 0.1% DHA + 1% sodium bicarbonate
Outcome: 35% reduction in fungal spoilage
5. Verified Client Implementations
Global Cosmetic Manufacturer
Client: L’Oréal Group (France)
Application: Anti-aging cream preservation
Volume: 12 MT/year
Technical Support: Customized solubility enhancement
Food Processing Leader
Client: Nestlé SA (Switzerland)
Use Case: Bakery product mold inhibition
Result: 40% shelf-life extension vs. calcium propionate
6. Request Technical Consultation
Contact our formulation experts for application-specific guidance:
(86) 15866781826
info@vivalr.com
Customized Services:
– Regulatory documentation support
– Compatibility testing reports
– Batch-specific COA provision



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