Product Name: Methyl vinyl sulfone (CAS NO.3680-02-2)

Molecular Formula: C₃H₆O₂S
Molecular Weight: 106.14g/mol
Mol File: 3680-02-2.mol
Einecs: 222-958-0
Appearance: Clear pale yellow liquid.
Boiling point: 233.1 °C at 760 mmHg
Storage Temperature: 0-6°C
Flash Point: 109.7 °C
Density: 1.126 g/cm³
Refractive index: n20/D 1.463(lit.)
Stability: Stable. Incompatible with strong oxidizing agents. Irritant.
Surface Tension: 31.8 dyne/cm
Enthalpy of Vaporization: 45.07 kJ/mol
Vapour Pressure: 0.0868 mmHg at 25°C
XLogP3-AA: 0.1
H-Bond Donor: 0
H-Bond Acceptor: 2
Product Categories: Organic Building Blocks; Sulfones; Sulfur Compounds

Methyl vinyl sulfone is incompatible with oxidizing agents . Can react exothermically with reducing agents to release hydrogen gas or hydrogen sulfide. In the presence of various catalysts (such as acids) or initiatiators, can undergo exothermic polymerization reactions.

Methyl vinyl sulfone is probably combustible.
Safety Information of  Methyl vinyl sulfone (CAS NO.3680-02-2):
Hazard Codes: T+,T,Xi
Risk Statements: 22-27-41 
22:  Harmful if swallowed
27:  Very Toxic in contact with skin
41:  Risk of serious damage to eyes
Safety Statements: 26-28-36/37/39-45-28
26:  In case of contact with eyes, rinse immediately with plenty of water and seek medical advice  
28:  After contact with skin, wash immediately with plenty of ... (to be specified by the manufacturer) 
36:  Wear suitable protective clothing  
37:  Wear suitable gloves 
39:  Wear eye/face protection 
45:  In case of accident or if you feel unwell, seek medical advice immediately (show label where possible)

 Methyl vinyl sulfone ,its CAS NO. is 3680-02-2,the synonyms is Vinyl methyl sulfone ; (Methylsulfonyl)-ethen ; 1-(Methylsulfonyl)ethylene ; Sulfone, methyl vinyl ; Sulfone,methylvinyl ; Uri 718 ; Methyl vinyl sulfone ; Methyl vinyl sulphone .