Description

2H-1,4-Benzothiazine-3(4H)-Thione is a sulfur and nitrogen-containing heterocyclic compound that serves as a versatile synthetic intermediate and building block in advanced organic chemistry. Its unique fused-ring structure makes it a valuable precursor for the development of novel pharmaceuticals, agrochemicals, and functional materials. This compound is primarily sought by research and development chemists, process development scientists, and manufacturers in the fine chemical, pharmaceutical, and agrochemical sectors.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel drug candidates, particularly those targeting neurological or anti-inflammatory pathways.
• Agrochemical Research: Used in the development of new pesticides, herbicides, and fungicides due to its bioactive heterocyclic core.
• Organic Synthesis: Serves as a versatile precursor for constructing complex sulfur-nitrogen heterocycles and for functional group transformations.
• Material Science: Investigated as a monomer or additive for creating polymers with specific electronic or photophysical properties.
• Chemical Research: Employed in academic and industrial R&D for studying reaction mechanisms and developing new synthetic methodologies.

Basic Information

Product Name	2H-1,4-Benzothiazine-3(4H)-Thione
CAS No.	22191-30-6
Molecular Formula	C8H7NS2
Molecular Weight	181.28 g/mol
Synonyms	2H-1,4-Benzothiazine-3-thione; 3H-1,4-Benzothiazine-3-thione; 1,4-Benzothiazine-3-thione; 3-Thioxo-3,4-dihydro-2H-1,4-benzothiazine; 3,4-Dihydro-2H-1,4-benzothiazine-3-thione; 3-Mercapto-1,4-benzothiazine; 3-Thioxo-3,4-dihydro-2H-benzo[b][1,4]thiazine
EINECS	244-816-9

Quality Control

Our 2H-1,4-Benzothiazine-3(4H)-Thione is produced under strict quality management protocols 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. We support custom synthesis and can tailor purity grades to meet specific project requirements, from research to commercial scale.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from incompatible materials such as strong oxidizing agents. For long-term storage, consider an inert atmosphere to maximize stability.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
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.