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Cas Database

Name	o-Chlorobenzenesulfonamide	EINECS	230-156-7
CAS No.	6961-82-6	Density	1.47 g/cm³
PSA	68.54000	LogP	2.76850
Solubility	498.3mg/L(15 oC)	Melting Point	189-193 °C(lit.)
Formula	C₆H₆ClNO₂S	Boiling Point	352.9 °C at 760 mmHg
Molecular Weight	191.638	Flash Point	167.2 °C
Transport Information	N/A	Appearance	slight yellow powder
Safety	26-36	Risk Codes	36/37/38
Molecular Structure		Hazard Symbols	Xi
Synonyms	Benzenesulfonamide,o-chloro- (6CI,8CI);2-Chlorobenzenesulfonamide;2-Chlorophenylsulfonamide;A 4097;NSC 62927;	Article Data	24

o-Chlorobenzenesulfonamide Synthetic route

: 2905-23-9
2-chlorophenylsulfonyl chloride

: 6961-82-6
2-chlorobenzenesulfonamide

Conditions

Conditions	Yield
With ammonium hydroxide In tetrahydrofuran at 0 - 20℃; for 2.16667h;	99.1%
With ammonium hydroxide In tetrahydrofuran at 0 - 20℃; for 2.16667h;	99.1%
With ammonium hydroxide In tetrahydrofuran at 0 - 20℃; for 2.16667h;	99.1%

: 2-(2-chlorobenzenesulfonylamino)-2-methylpropionic acid

: 6961-82-6
2-chlorobenzenesulfonamide

Conditions

Conditions	Yield
With oxygen; copper(II) oxide In dimethyl sulfoxide at 100℃; for 8h;	89%

: 5183-78-8
methyl(phenylsulfonyl)amide

: 6961-82-6
2-chlorobenzenesulfonamide

Conditions

Conditions	Yield
With N-chloro-succinimide; silver hexafluoroantimonate; trifluorormethanesulfonic acid; nickel diacetate In 1,2-dichloro-ethane at 80℃; for 12h; regioselective reaction;	71%

: 1956-97-4
2-chlorobenzenediazonium tetrafluoroborate

: 6961-82-6
2-chlorobenzenesulfonamide

Conditions

Conditions	Yield
With sodium metabisulfite; sodium azide; tetrabutylammomium bromide; triphenylphosphine In water; acetonitrile at 80℃; for 12h; Inert atmosphere;	62%
With sodium metabisulfite; sodium azide; tetrabutylammomium bromide; triphenylphosphine In water; acetonitrile at 80℃; for 12h; Inert atmosphere; Schlenk technique;	62%

: 64900-65-8
2-chlorophenylsulfonyl isocyanate

: 6961-82-6
2-chlorobenzenesulfonamide

Conditions

Conditions	Yield
With Methamphetamin In dichloromethane for 0.5h; Yield given;

: 95-51-2
2-Chloroaniline

: 6961-82-6
2-chlorobenzenesulfonamide

Conditions

Conditions	Yield
Sandmeyer reaction;
Multi-step reaction with 2 steps 1: 1) NaNO2, 20percent H2SO4 2) CuCl22H2O, SO2 / 1) H2O, 15 - 20 deg C, 15 min 2) AcOH, HCl, benzene, 30 - 40 deg C 2: 86.5 percent / 25percent NH2OHH2O / 1) View Scheme

: 64902-72-3
1-(2-chlorophenylsulfonyl)-3-(4-methoxy-6-methyl-1,3,5-triazin-2-yl)urea

: 6961-82-6
2-chlorobenzenesulfonamide

Conditions

Conditions	Yield
With hydrogenchloride In methanol at 50℃; for 4h; Hydrolysis;

: (o-Chlorophenylsulfonyl)carbamic acid

A: 124-38-9
carbon dioxide

B: 6961-82-6
2-chlorobenzenesulfonamide

Conditions

Conditions	Yield
With phosphoric acid In various solvent(s) at 25℃; pH=2.80; Kinetics; Activation energy; Further Variations:; pH-values; Solvents; Temperatures; Reagents; Hydrolysis;

2-chloro-benzene-sulfonyl chloride-(1): 2-chloro-benzene-sulfonyl chloride-(1)

: 6961-82-6
2-chlorobenzenesulfonamide

Conditions

Conditions	Yield
With ammonia; water

: 17315-42-3
(CH3)3SnC6H4-o-Cl

: 6961-82-6
2-chlorobenzenesulfonamide

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: CH2Cl2 / 15 h / 20 °C 2: ice / CH2Cl2 / 0.5 h View Scheme

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