Following is the structure of 1-Dodecanesulfonyl chloride (CAS NO.10147-40-7):
                            
Empirical Formula: C₁₂H₂₅ClO₂S
Molecular Weight: 268.8437 g/mol
Molar Refractivity: 71.25 cm³
Molar Volume: 259 cm³
Density: 1.037 g/cm³
Flash Point: 161.1 °C
Melting point: 41-42 °C
Index of Refraction: 1.462
Sensitive: Moisture Sensitive
Surface Tension: 35.2 dyne/cm
Enthalpy of Vaporization: 56.33 kJ/mol
Boiling Point of 1-Dodecanesulfonyl chloride (CAS NO.10147-40-7): 342.7 °C at 760 mmHg
Vapour Pressure of 1-Dodecanesulfonyl chloride (CAS NO.10147-40-7): 0.000146 mmHg at 25 °C
SMILES: ClS(=O)(=O)CCCCCCCCCCCC
InChI: InChI=1/C12H25ClO2S/c1-2-3-4-5-6-7-8-9-10-11-12-16(13,14)15/h2-12H2,1H3
InChIKey: PBULHKIPTBIZHO-UHFFFAOYAW

Risk Statements: 34 
R34:Causes burns.
Safety Statements: 26-36/37/39-45 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection. 
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
RIDADR: 3261
HazardClass: 8
PackingGroup: II

 1-Dodecanesulfonyl chloride , its cas register number is 10147-40-7. It also can be called Dodecane-1-sulfonyl chloride . Its classification code is TSCA Flag P [A commenced PMN (Premanufacture Notice) substance].