Description

2-Diazobenzo[B]Thiophen-3(2H)-One 1,1-Dioxide is a specialized heterocyclic diazo compound, recognized for its unique reactivity as a versatile intermediate in advanced organic synthesis. Its value lies in enabling precise, high-yield transformations critical for constructing complex molecular architectures. This product is essential for R&D chemists and process development teams in the pharmaceutical, agrochemical, and advanced materials sectors seeking to develop novel active ingredients and functional molecules.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel drug candidates, particularly those containing complex heterocyclic cores.
• Agrochemical Synthesis: Used in the research and development of new pesticides and herbicides, leveraging its reactive diazo functionality.
• Advanced Material Precursor: Serves as a precursor for photoactive or electronically active compounds in material science applications.
• Organic Synthesis Reagent: Employed in cycloaddition reactions, carbene generation, and other specialized transformations in academic and industrial research laboratories.
• Dye and Pigment Intermediate: Facilitates the synthesis of complex chromophores for high-performance dyes and functional pigments.

Basic Information

Product Name	2-Diazobenzo[B]Thiophen-3(2H)-One 1,1-Dioxide
CAS No.	1887-57-6
Molecular Formula	C8H4N2O3S
Molecular Weight	208.19 g/mol
Synonyms	2-Diazo-1,2-dihydro-3H-benzothiophene-3-one 1,1-dioxide; 2-Diazo-3-oxo-2,3-dihydrobenzo[b]thiophene 1,1-dioxide; 3H-Benzothiophen-3-one, 2-diazo-1,2-dihydro-, 1,1-dioxide; 2-Diazobenzo[b]thiophene-3-one 1,1-dioxide; Diazobenzothiophene dioxide; 1887-57-6; Diazosulfone derivative
EINECS	217-548-4

Quality Control

Our production of 2-Diazobenzo[B]Thiophen-3(2H)-One 1,1-Dioxide adheres to stringent internal quality standards to ensure batch-to-batch consistency and reliability for sensitive synthetic applications. Each lot is characterized using advanced analytical techniques including HPLC, NMR, and IR spectroscopy. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at a controlled room temperature (15-25°C). This material is light-sensitive (store away from light). Keep away from heat, sparks, and open flame. For long-term storage, consider storage under an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	Yellow to orange 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.