Description

4H-Pyran-4-One,3,5-Dihydroxy-(6Ci,7Ci,8Ci,9Ci) is a versatile heterocyclic compound, also known as 3,5-Dihydroxy-4H-pyran-4-one, with the CAS number 488-18-6. This chemical serves as a valuable synthetic intermediate and building block in advanced organic synthesis, prized for its unique pyranone core structure. It is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and fine chemical industries developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel drug candidates, particularly those with heterocyclic frameworks.
• Agrochemical Research: Used in developing advanced pesticides, herbicides, and plant growth regulators.
• Fine Chemical Synthesis: Serves as a precursor for dyes, pigments, and complex organic molecules.
• Flavor & Fragrance Chemistry: Potential intermediate for creating specific aroma compounds and flavor enhancers.
• Material Science: Investigated as a monomer or precursor for specialty polymers and advanced organic materials.
• Academic & R&D: A crucial reagent for methodological studies in organic chemistry and catalysis research.

Basic Information

Product Name	4H-Pyran-4-One,3,5-Dihydroxy-(6Ci,7Ci,8Ci,9Ci)
CAS No.	488-18-6
Molecular Formula	C5H4O4
Molecular Weight	128.08 g/mol
Synonyms	3,5-Dihydroxy-4H-pyran-4-one; 3,5-Dihydroxy-4-pyrone; 4H-Pyran-4-one, 3,5-dihydroxy-; 3,5-Dihydroxypyran-4-one; Kojiic acid (Note: Kojiic acid is a closely related derivative, often used as a synonym in commerce); 5-Hydroxy-2-(hydroxymethyl)-4H-pyran-4-one (tautomeric form); 3,5-Dihydroxy-γ-pyrone; Pyromeconic acid
EINECS	207-671-2

Quality Control

Our 4H-Pyran-4-One,3,5-Dihydroxy-(6Ci,7Ci,8Ci,9Ci) is produced under a strict quality management system. We offer material suitable for research and industrial synthesis, with quality parameters monitored via modern analytical techniques including HPLC, GC, and NMR. A Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each batch to ensure traceability and compliance with your project specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). This product is light-sensitive (store away from light) and easily oxidized (store under inert atmosphere); prolonged exposure to air and light should be avoided. Keep container tightly sealed under an inert atmosphere such as nitrogen or argon for long-term storage.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Melting Point	152°C - 158°C
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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