Following is the structure of Cyclopropanesulfonyl amide (CAS NO.154350-29-5):
                          
Molecular Formula: C₃H₇NO₂S
Molecular Weight: 121.15
EINECS: 202-682-7
Index of Refraction: 1.54
Molar Refractivity: 26.307 cm³
Molar Volume: 83.787 cm³
Density: 1.44 g/cm³
Flash Point: 112.9 °C
Melting point: 95-98 °C(lit.)
Polarizability: 10.429 10^-24cm³
Surface Tension: 54.691 dyne/cm
Enthalpy of Vaporization: 50.09 kJ/mol
Boiling Point: 263.091 °C at 760 mmHg
Vapour Pressure: 0.01 mmHg at 25 °C
Appearance of Cyclopropanesulfonyl amide (CAS NO.154350-29-5): White-like powder
Product Categories: SULFONAMIDE; sulfonyl compound
SMILES: NS(=O)(=O)C1CC1
InChI: InChI=1/C3H7NO2S/c4-7(5,6)3-1-2-3/h3H,1-2H2,(H2,4,5,6)
InChIKey: WMSPXQIQBQAWLL-UHFFFAOYAQ

 Cyclopropanesulfonyl amide (CAS NO.154350-29-5) hasn't been listed as a carcinogen by ACGIH, IARC, NTP, or CA Prop 65. And the toxicological properties have not been fully investigated. You can see actual entry in RTECS for complete information.

Hazard Codes: Xn
Risk Statements: 22-38 
R22:Harmful if swallowed. 
R38:Irritating to skin.
Safety Statements: 26-28-36/37/39 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S28:After contact with skin, wash immediately with plenty of soap-suds. 
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.
WGK Germany: 3
RTECS: WR5730000

 Cyclopropanesulfonyl amide , its cas register number 154350-29-5. It also can be called Cyclopropanesulfonamide .
 Cyclopropanesulfonyl amide (CAS NO.154350-29-5) should avoid the condition like incompatible materials, exposure to moist air or water. It is not compatible with strong oxidizing agents. And also prevent it to broken down into hazardous decomposition products: Hydrogen chloride, chlorine, sulfur dioxide, carbon monoxide, carbon dioxide, sulfuric acid. However, its hazardous polymerization will not occur.