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3080-99-7 - 3,4-Dihydro-2H-1,4-benzothiazine, 97% - H61045 - Alfa Aesar

H61045 3,4-Dihydro-2H-1,4-benzothiazine, 97%

CAS Number

Size Price ($) Quantity Availability
1g 61.20
5g 245.00
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3,4-Dihydro-2H-1,4-benzothiazine, 97%


Chemical Properties

Formula Weight


3,4-Dihydro-2H-1,4-benzothiazine is an important raw material and intermediate used in organic synthesis, pharmaceuticals, agrochemicals and dyestuff fields.


Keep container tightly sealed. Store in cool, dry conditions in well sealed containers. Incompatible with oxidizing agents.

Literature References

Violetta Cecchetti.; Arnaldo Fravolini.; Renata Fringuelli.; Giuseppe Mascellani.; Piergiuseppe Pagella.; Maurizio Palmioli.; Giorgio Segre.; Patrizia Terni. Quinolonecarboxylic acids. 2. Synthesis and antibacterial evaluation of 7-oxo-2,3 dihydro-7H-pyrido[1,2,3-de][1,4]benzothiazine-6-carboxylic acids. J. Med. Chem. 1987, 30 (3), 465-473.

Raj Nandan Prasad. Potential antihypertensive agents. III. 3,4-Dihydro-2H-1,4-benzothiazine derivatives. J. Med. Chem. 1969, 12 (2), 290-294.

GHS Hazard and Precautionary Statements

Hazard Statements: H315-H319-H335

Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Precautionary Statements: P261-P280a-P305+P351+P338-P304+P340-P312a-P321-P332+P313-P405-P403+P233-P501a

Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves and eye/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Specific treatment (see label). If skin irritation occurs: Get medical advice/attention. Store locked up. Store in a well-ventilated place. Keep container tightly closed. Dispose of contents/container in accordance with local/regional/national/international regulations.

Other References

Harmonized Tariff Code


  • A17129

    4-Hydroxyquinazoline, 98%
  • B24864

    3,3-Tetramethyleneglutarimide, 98%
  • H61025

    2,2-Dimethyl-2H-1,4-benzoxazin-3(4H)-one, 97%

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