Product Name: 5-Iodooctafluoro-3-oxapentanesulphonyl fluoride (CAS NO.66137-74-4)

Molecular Formula: C₄F₉IO₃S
Molecular Weight: 426.00g/mol
Mol File: 66137-74-4.mol
Boiling point: 176.7 °C at 760 mmHg
Flash Point: 60.7 °C
Density: 2.242 g/cm³
Refractive index: n20/D 1.35(lit.)
Index of Refraction: 1.391  Molar Refractivity: 45.15 cm3 
Molar Volume: 190 cm³ 
Surface Tension: 27.2 dyne/cm
Enthalpy of Vaporization: 39.6 kJ/mol
Vapour Pressure: 1.45 mmHg at 25°C
XLogP3-AA: 3.7
H-Bond Donor: 0
H-Bond Acceptor: 12
Structure Descriptors of 5-Iodooctafluoro-3-oxapentanesulphonyl fluoride (CAS NO.66137-74-4):
  IUPAC Name: 1,1,2,2-tetrafluoro-2-(1,1,2,2-tetrafluoro-2-iodoethoxy)ethanesulfonylfluoride
  Canonical SMILES: C(C(F)(F)S(=O)(=O)F)(OC(C(F)(F)I)(F)F)(F)F
  InChI: InChI=1S/C4F9IO3S/c5-1(6,14)2(7,8)17-3(9,10)4(11,12)18(13,15)16 
  InChIKey: XSLYISNQTJHKMP-UHFFFAOYSA-N
Product Categories: Organic Building Blocks; Sulfonyl Halides; Sulfur Compounds 

Safety Information of 5-Iodooctafluoro-3-oxapentanesulphonyl fluoride (CAS NO.66137-74-4):
Hazard Codes: C
Risk Statements: 34  
R34:Causes burns.
Safety Statements: 26-27-28-36/37/39-45
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S27:Take off immediately all contaminated clothing. 
S28:After contact with skin, wash immediately with plenty of soap-suds. 
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: UN 3265 8/PG 2
WGK Germany: 3
Hazard Note: Corrosive  

 5-Iodooctafluoro-3-oxapentanesulphonyl fluoride , its CAS NO. is 66137-74-4, the synonyms are 1,1,2,2-Tetrafluoro-2-(1,1,2,2-tetrafluoro-2-iodoethoxy)ethanesulphonyl fluoride ; Ethanesulfonyl fluoride, 1,1,2,2-tetrafluoro-2-(1,1,2,2-
tetrafluoro-2-iodoethoxy)- .