90407-17-3

Basic information

• Product Name: AKOS B018297
• Synonyms: CHEMBRDG-BB 3018297;ART-CHEM-BB B018297;AKOS B018297;(5E)-5-(2,3-dichlorobenzylidene)-2-mercapto-1,3-thiazol-4(5H)-one;Albb-009162;(5E)-5-(2,3-dichlorobenzylidene)-2-mercapto-1,3-thiazol-4(5H)-one(SALTDATA: FREE);(5Z)-5-(2,3-dichlorobenzylidene)-2-thioxo-thiazolidin-4-one;(5Z)-5-[(2,3-dichlorophenyl)methylene]-2-thioxo-4-thiazolidinone
• CAS NO: 90407-17-3
• Molecular Formula: C₁₀H₅Cl₂NOS₂
• Molecular Weight: 290.19
• Mol File: 90407-17-3.mol
• Article Data: 1

Chemical Properties

• Boiling Point: 432.4°C at 760 mmHg
• Flash Point: 215.3°C
• Appearance: /
• Density: 1.64g/cm³
• Vapor Pressure: 1.11E-07mmHg at 25°C
• Refractive Index: 1.743
• CAS DataBase Reference: AKOS B018297(CAS DataBase Reference)
• NIST Chemistry Reference: AKOS B018297(90407-17-3)
• EPA Substance Registry System: AKOS B018297(90407-17-3)

Safety Data

• HazardClass: IRRITANT
• Hazardous Substances Data: 90407-17-3(Hazardous Substances Data)

Usage

General Description

AKOS B018297 is a chemical compound with the molecular formula C7H7NO2. It is a white crystalline solid that is often used as a reagent in organic synthesis and pharmaceutical research. It is also known by its chemical name, 4-nitrobenzenesulfonamide, and has a variety of industrial applications, including as a precursor in the production of dyes and pharmaceuticals. AKOS B018297 is considered to be toxic if ingested or inhaled, and exposure should be avoided. It is important to handle this chemical with care and in accordance with proper safety precautions.

InChI:InChI=1/C10H5Cl2NOS2/c11-6-3-1-2-5(8(6)12)4-7-9(14)13-10(15)16-7/h1-4H,(H,13,14,15)/b7-4+

Upstream product

• 141-84-4 2-thioxo-4-thiazolidinone 
• 6334-18-5 2,3-dichlorobenzylaldehyde 
• 608-27-5 2,3-dichloroaniline 

Downstream Products

• 90407-18-4 β-(2,3-dichlorophenyl)-α-mercaptoacrylic acid 
• 90407-16-2 7-chlorobenzo[b]thiophene-2-carboxylic acid 

Relevant articles and documents

7-Substituted Benzothiophenes and 1,2-Benzisothiazoles. Part 2. Chloro and Nitro Derivatives

The 7-chloro and 7-nitro derivatives of benzothiophene and 1,2-benzisothiazole have been prepared from readily available precursors, which for each substituent are common to both ring systems. 7-Chlorobenzothiophene has been obtained from 3-chloro-2-mercaptobenzoic acid via 7-chlorobenzothiophen-3(2H)-one, or from 2,3-dichlorobenzaldehyde, either via β-(2,3-dichlorophenyl)-α-mercaptoacrylic acid (16) or, preferably, via 7-chlorobenzothiophene-2-carboxylic acid.Hexamethylphosphoric triamide is a particularly useful solvent in which to effect the selective nucleophilic replacement of the 2-chloro substituent in 2,3-dichlorobenzaldehyde. 7-Chloro-1,2-benzisothiazole is available by treatment of 3-chloro-2-mercaptobenzaldehyde with chloramine (57percent), or by heating 2,3-dichlorobenzaldehyde with sulphur and aqueous ammonia (46percent). 7-Nitrobenzothiophene has been obtained by treatment of 2-bromo-3-nitrobenzaldehyde with mercaptoacetic acid under alkaline conditions, followed by decarboxylation of the resulting 2-carboxylic acid.Cyclisation of 2-(n- or t-butylthio)-3-nitrobenzaldoxime with polyphosphoric acid gives 7-nitro-1,2-benzisothiazole in high yield. 3-Nitro-2-t-bytylthiobenzaldehyde behaves unexpectedly with chloramine, to give what is believed to be 7-nitro-2-t-butyl-1,2-benzothiazolium chloride (24) (73percent).