The CAS registry number of Benzenesulfonamide,N,N-dichloro-4-methyl- is 473-34-7. Its EINECS registry number is 207-462-4. The IUPAC name is N,N-dichloro-4-methylbenzenesulfonamide. In addition, the molecular formula is C₇H₇Cl₂NO₂S and the molecular weight is 240.11. It is also called p-toluenesulfonamide, N,N-dichloro-. What's more, it belongs to the classes of Chlorination; Halogenation; Oxidation; Synthetic Organic Chemistry. Besides, it should be stored in sealed container, and put in a cool and dry place. The storage place must stay away from oxidant.

Physical properties about Benzenesulfonamide,N,N-dichloro-4-methyl- are: (1)ACD/LogP: 3.24; (2)ACD/LogD (pH 5.5): 3.24; (3)ACD/LogD (pH 7.4): 3.24; (4)ACD/BCF (pH 5.5): 170.53; (5)ACD/BCF (pH 7.4): 170.53; (6)ACD/KOC (pH 5.5): 1377.61; (7)ACD/KOC (pH 7.4): 1377.61; (8)#H bond acceptors: 3; (9)#Freely Rotating Bonds: 2; (10)Polar Surface Area: 45.76 Å²; (11)Index of Refraction: 1.582; (12)Molar Refractivity: 53.74 cm³; (13)Molar Volume: 161 cm³; (14)Polarizability: 21.3 ×10^-24cm³; (15)Surface Tension: 48.8 dyne/cm; (16)Density: 1.491 g/cm³; (17)Flash Point: 153.4 °C; (18)Enthalpy of Vaporization: 57.26 kJ/mol; (19)Boiling Point: 330 °C at 760 mmHg; (20)Vapour Pressure: 0.000171 mmHg at 25 °C.

Preparation of Benzenesulfonamide,N,N-dichloro-4-methyl-: this chemical can be prepared by p-toluenesulfonamide and calcium hypochlorooate saturated solution. In addition, it can be prepared by toluene-4-sulfonamide. This reaction will need reagents acetic acid and calciumhypochlorite. The reaction time is 1 hour. The yield is about 62%.

Uses of Benzenesulfonamide,N,N-dichloro-4-methyl-: this chemical can be used as organic synthesis intermediates. In addition, it can react with 1H-pyridine-2-thione to get N-(2-pyridylthio)-p-toluolsulfonamid hydrochlorid. This reaction will need solvent CHCl₃. The reaction should react for 1 hour at reaction temperature of -10 °C. And then react for 16 hours at room temperature. The yield is about 53%.

When you are using this chemical, please be cautious about it as the following:
When this chemical contact with combustible material, it may cause fire. And it is irritating to eyes, respiratory system and skin. During using it, wear suitable protective clothing, gloves and eye/face protection. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. If you want to store this chemical, keep away from combustible matter and keep the container tightly sealed in dry, cool places.

You can still convert the following datas into molecular structure:
(1)SMILES: O=S(=O)(c1ccc(cc1)C)N(Cl)Cl
(2)InChI: InChI=1/C7H7Cl2NO2S/c1-6-2-4-7(5-3-6)13(11,12)10(8)9/h2-5H,1H3
(3)InChIKey: ARGDYOIRHYLIMT-UHFFFAOYAB