Ethene,(methylsulfonyl)- cas no:3680-02-2

NameEthene,(methylsulfonyl)-
CAS3680-02-2
SynonymsSulfone,methyl vinyl (6CI,7CI,8CI); Methyl vinyl sulfone; Methyl vinyl sulphone;Methylsulfonylethene; NSC 518304; URI 718; Vinyl methyl sulfone
EINECS(EC#)222-958-0
Molecular FormulaC3H6 O2 S
Molecular Weight106.14

Appearancelight yellow liquid
refractive index1.461-1.463

Hazard T+:Verytoxic;
Risk R22;R27;R41
Safety

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 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.

1.		skn-rbt 10 mg/24H open MLD		AIHAAP    American Industrial Hygiene Association Journal. 23 (1962),95.
2.		orl-rat LD50:570 mg/kg		AIHAAP    American Industrial Hygiene Association Journal. 23 (1962),95.
3.		skn-rbt LD50:32 mg/kg		AIHAAP    American Industrial Hygiene Association Journal. 23 (1962),95.