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2-CHLORO-5-NITROBENZENESULFONIC ACID

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Products Intro: Product Name:2-CHLORO-5-NITROBENZENESULFONIC ACID
CAS:96-73-1
Purity:99% Package:1KG;10.00;USD
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Products Intro: Product Name:2-CHLORO-5-NITROBENZENESULFONIC ACID
CAS:96-73-1
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Products Intro: Product Name:N,N-Diethyl-p-phenylenediamine
CAS:96-73-1
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Products Intro: Product Name:2-Chloro-5-nitrobenzenesulfonic acid
CAS:96-73-1
Purity:97+% Package:1g;10g;100g;;1kg Remarks:Z-55389
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Products Intro: Product Name:2-chloro-5-nitrobenzenesulfonic acid
CAS:96-73-1
Purity:99% Package:1kg

2-CHLORO-5-NITROBENZENESULFONIC ACID manufacturers
2-CHLORO-5-NITROBENZENESULFONIC ACID Basic information
Product Name:2-CHLORO-5-NITROBENZENESULFONIC ACID
Synonyms:P-NITROCHLOROBENZENE-O-SULFONIC ACID;2-chloro-5-nitro-benzenesulfonicaci;2-CHLORO-5-NITROBENZENESULFONIC ACID;2-CHLORO-5-NITROBENZENESULPHONIC ACID;2-CHLORO-5-NITROSULFOBENZENE;4-NITROCHLOROBENZENE-2-SULFONIC ACID;Benzenesulfonic acid, 2-chloro-5-nitro-;2-chloro-5-nitrobenzene-1-sulfonic acid
CAS:96-73-1
MF:C6H4ClNO5S
MW:237.62
EINECS:202-528-9
Product Categories:Intermediates of Dyes and Pigments;Aromatics;Heterocycles
Mol File:96-73-1.mol
2-CHLORO-5-NITROBENZENESULFONIC ACID Structure
2-CHLORO-5-NITROBENZENESULFONIC ACID Chemical Properties
Melting point >300°C
density 1.651 (estimate)
refractive index 1.6000 (estimate)
storage temp. Refrigerator
form solid
pka-1.73±0.33(Predicted)
CAS DataBase Reference96-73-1(CAS DataBase Reference)
EPA Substance Registry SystemBenzenesulfonic acid, 2-chloro-5-nitro- (96-73-1)
Safety Information
TSCA TSCA listed
MSDS Information
2-CHLORO-5-NITROBENZENESULFONIC ACID Usage And Synthesis
Chemical PropertiesTan Solid
Physical properties2-Chloro-5-nitrobenzenesulfonic Acid, crystallizes as the dihydrate from water (mp 169 ℃, decomp.). The compound undergoes explosive decomposition when heated above 200 ℃, and all reactions, including its production, must be undertaken with great caution.
UsesAmination of 2-Chloro-5-nitrobenzenesulfonic Acid gives 4-nitroaniline- 2-sulfonic acid [96-75-3], which is used as a diazo component or reduced to the important colorant intermediate 2,5-diaminobenzenesulfonic acid [88-45-9]. Chlorination of 2-Chloro-5-nitrobenzenesulfonic Acid in aqueous solution is a more facile route to 2,6- dichloro-4-nitroaniline than chlorination of 4-nitroaniline.
Production Methods4-Chloronitrobenzene is sulfonated with 65 % oleum at 115 ℃; special precaution must be taken to control temperature. Work-up is by quenching and isolation of the sodium salt after it has been salted out.
References[1] J. Appl. Chem. USSR (Engl. Transl.), 1990, vol. 63, # 7.2, p. 1442 - 1445
[2] Zhurnal Prikladnoi Khimii (Sankt-Peterburg, Russian Federation), 1990, vol. 63, # 7, p. 1568 - 1571
[3] European Journal of Medicinal Chemistry, 2012, vol. 50, p. 18 - 26
Tag:2-CHLORO-5-NITROBENZENESULFONIC ACID(96-73-1) Related Product Information
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