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   ChemNet > CAS > 68227-69-0 2-Aminobenzenesulfonic Acid Phenyl Ester

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68227-69-0 2-Aminobenzenesulfonic Acid Phenyl Ester

product Name 2-Aminobenzenesulfonic Acid Phenyl Ester
CAS No 68227-69-0
Synonyms Phenyl-2-aminobenzenesulfonate; o-Aminobenzene sulfonic acid phenyl ester; 2-Aminobenzene sulfonic acid phenyl ester; phenyl 2-aminobenzenesulfonate; orthanilic Acid phenyl Ester
Molecular Formula C12H11NO3S
Molecular Weight 249.2856
InChI InChI=1/C12H11NO3S/c13-11-8-4-5-9-12(11)17(14,15)16-10-6-2-1-3-7-10/h1-9H,13H2
EINECS 269-381-0
Molecular Structure 68227-69-0 2-Aminobenzenesulfonic Acid Phenyl Ester
Density 1.344g/cm3
Melting point 70-73℃
Boiling point 435°C at 760 mmHg
Refractive index 1.626
Flash point 216.9°C
Vapour Pressur 9.09E-08mmHg at 25°C
Hazard Symbols  Xi:Irritant;
Risk Codes R36/37/38:;
Safety Description S26:;
S36:;

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Specifications 99% min
Packing 25kg 50kg drum or bag
Description What is the chemical of orthanilic Acid phenyl Ester ? Appearance: White crystalline substance£» Assay:99%min by HPLC£» IR Identity: conform to standard£» HNMR£º conform to standard£» carbon spectrum: conform to standard£» Water by K. F.:0.5% max or as per the customer¡¯s request£» Loss on drying:0.5% max. or as per the customer¡¯s request£» ============================================================================= Synthesis route: The typical synthesis route of phenyl 2-aminobenzenesulfonate is esterification reaction between ortho aminobenzenesulfonic acid and chlorobenzene or phenol under dehydrating agents (such as POCl ¡Ø, DCC) or high temperature conditions. Route 1 (commonly used laboratory method): o-Aminobenzenesulfonic acid (CAS 88-21-1) and chlorobenzene are heated and refluxed under the catalysis of phosphorus oxychloride (POCl ¡Ø), and the target ester is generated through nucleophilic substitution, with HCl as a byproduct. Route 2 (Phenol ester method): Dehydration...
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