Description

5-Hydroxy-2,8,8-Trimethyl-4H,8H-Benzo[1,2-B:3,4-B']Dipyran-4-One is a high-purity organic compound belonging to the benzopyran class, valued for its role as a key synthetic intermediate and functional chromophore. Its molecular structure makes it a versatile building block for advanced chemical synthesis, particularly in the development of specialized dyes, pigments, and active pharmaceutical ingredients (APIs). This product is essential for R&D laboratories and industrial manufacturers in the fine chemicals, pharmaceutical, and advanced materials sectors seeking reliable, high-quality intermediates.

Application

• Pharmaceutical Intermediate: Serves as a crucial precursor in the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs), particularly those with chromophoric or specific heterocyclic structures.
• Organic Synthesis Building Block: Utilized in complex multi-step organic reactions to construct more elaborate molecular frameworks due to its reactive hydroxyl and ketone functional groups.
• Dye & Pigment Manufacturing: Acts as a core component in the production of specialized dyes, optical brighteners, and high-performance pigments where the benzopyran structure impits specific color and light-absorption properties.
• Research & Development: Employed in academic and industrial R&D settings for exploring new chemical entities, material properties, and reaction pathways.
• Fine Chemical Production: Used in the manufacture of other fine chemicals and specialty compounds where high purity and specific molecular architecture are required.
• Material Science: Investigated for potential applications in organic electronics, such as in the development of organic light-emitting diodes (OLEDs) or sensors, due to its conjugated system.

Basic Information

Product Name	5-Hydroxy-2,8,8-Trimethyl-4H,8H-Benzo[1,2-B:3,4-B']Dipyran-4-One
CAS No.	4670-29-5
Molecular Formula	C₁₅H₁₄O₄
Molecular Weight	258.27 g/mol
Synonyms	5-Hydroxy-2,8,8-trimethyl-4H,8H-benzo[1,2-b:3,4-b']dipyran-4-one; 5-Hydroxy-2,8,8-trimethyl-4H,8H-benzo[1,2-b:3,4-b']dipyran-4-one; 2,8,8-Trimethyl-5-hydroxy-4H,8H-benzo[1,2-b:3,4-b']dipyran-4-one; Benzo[1,2-b:3,4-b']dipyran-4-one, 5-hydroxy-2,8,8-trimethyl-4H,8H-; 4H,8H-Benzo[1,2-b:3,4-b']dipyran-4-one, 5-hydroxy-2,8,8-trimethyl-
EINECS	Contact for details

Quality Control

Our products undergo rigorous quality testing to ensure compliance with industry standards. Each batch is analyzed using advanced techniques including HPLC, GC, and NMR to verify identity, purity, and consistency. Certificates of Analysis (COA) detailing all relevant specifications are available upon request. We adhere to strict quality management protocols to ensure supply reliability and product integrity for our global B2B clients.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from incompatible materials such as strong oxidizing agents. For long-term storage, consider an inert atmosphere to maintain product stability.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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