Description

Dehydroacetic Acid is a versatile heterocyclic organic compound valued for its potent antimicrobial and preservative properties. Its primary function is to inhibit the growth of molds, yeasts, and bacteria, making it a critical additive for extending shelf life and ensuring product stability. This makes it an essential raw material for manufacturers in the food, cosmetics, and pharmaceutical industries seeking effective, broad-spectrum preservation solutions.

Application

• Food & Beverage Preservation: Used as a preservative in baked goods, cheese rinds, beverages, and prepared foods to prevent spoilage from microorganisms.
• Cosmetics & Personal Care: Acts as a stabilizer and preservative in creams, lotions, shampoos, and makeup to prevent microbial contamination.
• Pharmaceuticals: Employed as a preservative in topical ointments, creams, and certain liquid formulations to maintain sterility.
• Animal Feed Additive: Utilized as a fungistatic agent in feed and silage to prevent mold growth and nutrient degradation.
• Industrial Applications: Serves as a stabilizer in adhesives, synthetic resins, and latex paints to prevent bacterial and fungal degradation.
• Fruit & Vegetable Coatings: Applied in post-harvest treatments to reduce decay and extend the freshness of produce during storage and transport.

Basic Information

Product Name	Dehydroacetic Acid
CAS No.	771-03-9
Molecular Formula	C8H8O4
Molecular Weight	168.15 g/mol
Synonyms	DHA; 3-Acetyl-6-methyl-2H-pyran-2,4(3H)-dione; 3-Acetyl-6-methyl-2,4-pyrandione; Methylacetopyronone; Dehydroacetic acid (USP); 2-Acetyl-5-hydroxy-3-oxo-4-hexenoic acid δ-lactone; 3-Acetyl-6-methyl-1,2-pyran-2,4(3H)-dione
EINECS	212-227-4

Quality Control

Our Dehydroacetic Acid is manufactured under strict quality management systems to ensure batch-to-batch consistency and reliability. We offer grades compliant with FCC (Food Chemicals Codex) and pharmaceutical standards where applicable, with purity typically exceeding 99.0%. Each lot is supported by a comprehensive Certificate of Analysis (COA) detailing assay, identification, and impurity profiles, available upon request to meet your regulatory and quality assurance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); ensure containers are kept tightly sealed after opening to minimize exposure to atmospheric humidity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 99.0 %
Melting Point	109°C - 112°C
Loss on Drying	≤ 0.5 %
Residue on Ignition	≤ 0.1 %
Heavy Metals (as Pb)	≤ 10 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.