Description

3,4-Dihydro-2H-1-Benzopyran-5-Ol CAS NO 13849-32-6 is a versatile organic compound belonging to the chroman class, serving as a key synthetic intermediate and building block in advanced chemical synthesis. Its value lies in its unique heterocyclic structure, which provides a foundational scaffold for developing more complex molecules with targeted properties. This product is essential for research and development chemists, process engineers, and manufacturers in the pharmaceutical, agrochemical, and fine chemical industries.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds with chroman or benzopyran-based structures.
• Agrochemical Synthesis: Used as a building block for developing novel pesticides, herbicides, and plant growth regulators.
• Fine Chemical Production: Serves as a starting material for synthesizing flavors, fragrances, dyes, and other specialty chemicals.
• Material Science Research: Investigated as a monomer or additive for creating advanced polymers and functional materials.
• Organic Synthesis & Catalysis: Employed in academic and industrial research for developing new synthetic methodologies and catalytic processes.

Basic Information

Product Name	3,4-Dihydro-2H-1-Benzopyran-5-Ol
CAS No.	13849-32-6
Molecular Formula	C9H10O2
Molecular Weight	150.17 g/mol
Synonyms	5-Hydroxy-3,4-dihydro-2H-1-benzopyran; 5-Hydroxychroman; 5-Hydroxy-3,4-dihydro-2H-chromene; 3,4-Dihydro-5-hydroxy-2H-1-benzopyran; 5-Hydroxy-3,4-dihydro-2H-chromene; Chroman-5-ol; 13849-32-6
EINECS	Contact for details

Quality Control

Our 3,4-Dihydro-2H-1-Benzopyran-5-Ol is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, 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	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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