Description

2H-1-Benzopyran-2-One, 3,4-Dihydro-4,4-Dimethyl- is a substituted coumarin derivative, a versatile organic intermediate of significant interest in fine chemical synthesis. Its value lies in its unique bicyclic structure, which serves as a key building block for creating more complex molecules with specific functional properties. This compound is primarily needed by research institutions and manufacturers in the pharmaceutical, agrochemical, and fragrance industries for developing new active ingredients and specialty chemicals.

Application

• Pharmaceutical Intermediate: Serves as a crucial precursor in the synthesis of novel drug candidates, particularly those targeting neurological or cardiovascular pathways.
• Agrochemical Synthesis: Used in the research and development of new pesticides and herbicides, leveraging its heterocyclic core for bioactivity.
• Fragrance and Flavor Ingredient: Acts as a starting material for synthesizing coumarin-based aroma chemicals used in perfumery and flavor formulations.
• Organic Light-Emitting Diode (OLED) Materials: Investigated as a core structure for developing advanced organic electronic materials due to its photophysical properties.
• Dye and Pigment Intermediate: Utilized in the production of specialized dyes and optical brighteners.
• Academic and Industrial Research: Employed as a standard or building block in organic chemistry research and process development.

Basic Information

Product Name	2H-1-Benzopyran-2-One, 3,4-Dihydro-4,4-Dimethyl-
CAS No.	29598-22-9
Molecular Formula	C₁₁H₁₂O₂
Molecular Weight	176.21 g/mol
Synonyms	4,4-Dimethyl-3,4-dihydrocoumarin; 4,4-Dimethylchroman-2-one; 3,4-Dihydro-4,4-dimethyl-2H-1-benzopyran-2-one; 4,4-Dimethyl-3,4-dihydro-2H-chromen-2-one; 4,4-Dimethyl-3,4-dihydro-2H-1-benzopyran-2-one; 4,4-Dimethyl-2-chromanone; NSC 163022
EINECS	Contact for details

Quality Control

Our 2H-1-Benzopyran-2-One, 3,4-Dihydro-4,4-Dimethyl- is produced under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure high purity and consistent performance. Comprehensive Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	65 - 68 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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