Description

3,4-Dihydro-5-Methyl-2H-1-Benzopyran is a versatile heterocyclic organic compound belonging to the chromane family. This chemical serves as a valuable key intermediate and building block in advanced organic synthesis, particularly for the development of complex molecules. It is primarily sought after by pharmaceutical R&D, agrochemical, and fine chemical industries for creating novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of potential therapeutic agents, including central nervous system (CNS) drugs and cardiovascular medications.
• Agrochemical Synthesis: Used as a building block for developing new pesticides, herbicides, and plant growth regulators.
• Fine Chemical Production: Serves as a starting material for synthesizing flavors, fragrances, and specialty dyes.
• Material Science Research: Investigated for its utility in creating novel polymers, liquid crystals, and organic electronic materials.
• Academic & Industrial R&D: Employed in chemical research for methodology development and exploring new reaction pathways.

Basic Information

Product Name	3,4-Dihydro-5-Methyl-2H-1-Benzopyran
CAS No.	3722-75-6
Molecular Formula	C10H12O
Molecular Weight	148.20 g/mol
Synonyms	5-Methylchroman; 5-Methyl-3,4-dihydro-2H-1-benzopyran; 5-Methyl-2,3-dihydro-1-benzopyran; 5-Methyl-2H-1-benzopyran, 3,4-dihydro-; 5-Methylchromane; 5-Methyl-3,4-dihydro-2H-chromene
EINECS	223-074-4

Quality Control

Our 3,4-Dihydro-5-Methyl-2H-1-Benzopyran is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and batch-to-batch consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment 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 heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 98.0%
Water Content (KF)	≤ 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.