Description

Dehydroacetic Acid is a versatile and highly effective synthetic preservative and chelating agent. Its primary value lies in its broad-spectrum antimicrobial activity against molds, yeasts, and bacteria, making it a critical component for product stability and shelf-life extension. This compound is essential for manufacturers in the food, cosmetics, and industrial sectors seeking reliable, high-purity ingredients for their formulations.

Application

• Food & Beverage Preservative: Used to inhibit microbial growth in cheese, butter, baked goods, and beverages, extending shelf life.
• Cosmetics & Personal Care: Acts as a preservative in creams, lotions, shampoos, and makeup to prevent spoilage.
• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of various active pharmaceutical ingredients (APIs).
• Animal Feed Additive: Employed as a fungistat to protect feed from mold contamination during storage.
• Adhesives & Sealants: Functions as a preservative in water-based formulations to prevent bacterial degradation.
• Leather & Textile Treatment: Used in processing to prevent fungal growth on materials.
• Industrial Fluids: Incorporated into cutting fluids, metalworking coolants, and latex emulsions as a biocide.

Basic Information

Product Name	Dehydroacetic Acid
CAS No.	520-45-6
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	208-293-9

Quality Control

Our Dehydroacetic Acid is manufactured under strict quality management systems. We offer grades compliant with FCC (Food Chemicals Codex) and pharmaceutical standards, ensuring suitability for sensitive applications. Every batch undergoes rigorous analytical testing, including assay, identification, and impurity profiling. Certificates of Analysis (COA) are available upon request to guarantee traceability and consistent quality.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); ensure the container is kept tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Melting Point	109°C - 112°C
Loss on Drying	≤ 1.0%
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.