ChemicalBook--->CAS DataBase List--->121-18-6

121-18-6

121-18-6 Structure

121-18-6 Structure
IdentificationMore
[Name]

4-Chloro-3-nitrobenzenesulfonic acid
[CAS]

121-18-6
[Synonyms]

2-NITRO-1-CHLOROBENZENE-4-SULFONIC ACID
4-CHLORO-3-NITROBENZENESULFONIC ACID
4-chloro-3-nitro-benzenesulfonicaci
m-Nitro-p-chlorobenzenesulfonicacid
o-Nitrochlorobenzene-4-sulfonicacid
4-chloro-3-nitrobenzenesulphonic acid
o-Nitrochlorobenzene-p-sulfonic acid
3-Nitro-4-chlorobenzenesulfonic acid
4-Chloro-5-nitrobenzenesulfonic acid
[EINECS(EC#)]

204-452-1
[Molecular Formula]

C6H4ClNO5S
[MDL Number]

MFCD00274152
[Molecular Weight]

237.62
[MOL File]

121-18-6.mol
Chemical PropertiesBack Directory
[Melting point ]

114-115 °C
[density ]

1.747±0.06 g/cm3(Predicted)
[storage temp. ]

Sealed in dry,Room Temperature
[pka]

-1.44±0.50(Predicted)
[CAS DataBase Reference]

121-18-6(CAS DataBase Reference)
[EPA Substance Registry System]

121-18-6(EPA Substance)
Safety DataBack Directory
[TSCA ]

TSCA listed
Hazard InformationBack Directory
[Chemical Properties]

White flaky crystal, easily soluble in water.
[Uses]

4-Chloro-3-nitrobenzenesulfonic acid can be used as dye intermediate.
[Synthesis]

It is derived from the nitration of p-chlorobenzenesulfonic acid. Add p-chlorobenzenesulfonic acid and 98% sulfuric acid into the reaction pot, cool to 20°C, add 67% nitric acid solution under stirring, react at 40°C for half an hour, salt out, filter, acidify, and filter to obtain the finished product. 4-Chloro-3-nitrobenzenesulfonic acid was synthesized by
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