Description

4,5,7-Trimethylcoumarin is a synthetically derived, substituted coumarin derivative valued for its role as a versatile organic intermediate and functional additive. Its specific substitution pattern imparts unique photophysical and chemical properties, making it a key building block for advanced material synthesis. This compound is primarily sought by manufacturers in the fragrance, pharmaceutical, and specialty chemical industries for applications ranging from UV absorbers to synthetic precursors.

Application

• Fragrance and Flavor Industry: Used as a key intermediate in the synthesis of complex aroma chemicals and fixatives due to its coumarin-derived structure.
• Pharmaceutical Intermediates: Serves as a crucial building block for the synthesis of various pharmacologically active compounds and heterocyclic molecules.
• UV Absorbers and Optical Brighteners: Utilized in the development of light-stabilizing additives for polymers, coatings, and detergents.
• Organic Synthesis: Acts as a versatile precursor for synthesizing more complex coumarin derivatives and fused heterocycles in research and development.
• Dye and Pigment Manufacturing: Employed in the production of fluorescent dyes and specialty colorants.
• Agrochemical Intermediates: Used in the synthesis of certain active ingredients for crop protection products.

Basic Information

Item	Detail
Product Name	4,5,7-Trimethylcoumarin
CAS No.	14002-91-6
Molecular Formula	C12H12O2
Molecular Weight	188.22 g/mol
Synonyms	4,5,7-Trimethyl-2H-1-benzopyran-2-one; 4,5,7-Trimethyl-1-benzopyran-2-one; 4,5,7-Trimethylcoumarin; 2H-1-Benzopyran-2-one, 4,5,7-trimethyl-; NSC 406120
EINECS	237-816-5

Quality Control

Our 4,5,7-Trimethylcoumarin is produced under a stringent quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets exacting standards for industrial and research use. Certificates of Analysis (COA) detailing all specifications are provided with every shipment.

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 strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	118 - 122 °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.