24569-40-2

Basic information

• Product Name: 2-chloro-5-sulfobenzenediazonium chloride
• CAS NO: 24569-40-2
• Molecular Formula: C₆H₄ClN₂O₃S*Cl
• Molecular Weight: 255.0786
• Mol File: 24569-40-2.mol
• Article Data: 1

Chemical Properties

• CAS DataBase Reference: 2-chloro-5-sulfobenzenediazonium chloride(CAS DataBase Reference)
• NIST Chemistry Reference: 2-chloro-5-sulfobenzenediazonium chloride(24569-40-2)
• EPA Substance Registry System: 2-chloro-5-sulfobenzenediazonium chloride(24569-40-2)

Safety Data

• Hazardous Substances Data: 24569-40-2(Hazardous Substances Data)

Upstream product

• 98-36-2 1-amino-2-chlorobenzene-5-sulphonic acid 

Downstream Products

• 105548-00-3 4-Chloro-3-(4,6-diamino-2-ethylsulfanyl-pyrimidin-5-ylazo)-benzenesulfonic acid 
• 105565-46-6 3-(4-Amino-2-diethylamino-6-methyl-pyrimidin-5-ylazo)-4-chloro-benzenesulfonic acid 
• 86565-70-0 3-(2-Acetylamino-4-diethylamino-phenylazo)-4-chloro-benzenesulfonic acid 
• 105547-61-3 3-(5-Amino-3-methyl-1-phenyl-1H-pyrazol-4-ylazo)-4-chloro-benzenesulfonic acid 

Relevant articles and documents

The Influence of Chlorine and Sulphonate Substituents on the Visible Absorption Maxima of Some Azo Dyes

A total of 110 arylazo dyes have been prepared, based on five benzenoid and heterocyclic coupling components, and containing combinations of chlorine and sulphonate (sulpho) substituents in the diazo components.Their visible absorption maxima have been analysed in order to determine the degree to which chloro and sulfo substituent influences are constant and transferable, both within a series, and between series.Additivity is found to pertain, if allowances are made for steric effects.A 2-sulpho group alone can induce nonplanarity, depending on the nature of the coupling component.The 2-sulpho-3-chloro combination is particularly responsible for hypsochromic shifts unexpected on the basis of strict additivity.Computer-aided molecular modelling studies have clarified the steric interactions present.Di-ortho-substitution also induces nonplanarity and hypsochromic effects.There is some evidence for non-equivalence of a substituent in the two distinct meta-orientations, although MO calculations do not reproduce this behaviour.