Description

3,4-Dihydro-2H-Benzo[E][1,3]Oxazine is a versatile heterocyclic organic compound that serves as a critical building block in advanced chemical synthesis. Its unique fused-ring structure containing both oxygen and nitrogen makes it a valuable precursor for developing pharmaceuticals and functional materials. This intermediate is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and material science industries seeking to create novel compounds with specific biological or physical properties.

Application

• Pharmaceutical Intermediate: A key synthon for the synthesis of various bioactive molecules and active pharmaceutical ingredients (APIs).
• Agrochemical Development: Used in the research and production of novel herbicides, fungicides, and insecticides.
• Material Science: Serves as a monomer or precursor for polymers, dyes, and other functional organic materials.
• Organic Synthesis Building Block: Employed in academic and industrial R&D for constructing complex heterocyclic frameworks.
• Ligand and Catalyst Preparation: Useful in the development of novel ligands for metal catalysis and asymmetric synthesis.

Basic Information

Product Name	3,4-Dihydro-2H-Benzo[E][1,3]Oxazine
CAS No.	66955-51-9
Molecular Formula	C8H9NO
Molecular Weight	135.16 g/mol
Synonyms	2H-Benzo[e][1,3]oxazine, 3,4-dihydro-; 3,4-Dihydro-2H-1,3-benzoxazine; 1,3-Oxazine, 3,4-dihydro-2H-benzo[e]-; Benzo[e][1,3]oxazine, 3,4-dihydro-2H-; Dihydrobenzoxazine
EINECS	Contact for details

Quality Control

Our 3,4-Dihydro-2H-Benzo[E][1,3]Oxazine is produced under a strict quality management system to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques including HPLC, GC, and NMR to confirm identity and purity. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment, and we support compliance with REACH and other global regulatory requirements.

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 and incompatible materials. For long-term storage, consider an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	White to off-white 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%

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