Ethane, 1,1'-selenobis-(9CI) cas no:627-53-2

NameEthane, 1,1'-selenobis-(9CI)
CAS627-53-2
SynonymsEthylselenide (6CI,7CI,8CI); Diethyl selenide; Diethyl selenium; Diethylmonoselenide
Molecular FormulaC4H10 Se
Molecular Weight137.10

Hazardclass4.2

Hazard T,N
Risk 10-23/25-33-50/53
Safety

Low toxicity by inhalation. When heated to decomposition it emits toxic vapors of Se.
Hazard Codes: T,N
Risk Statements: 10-23/25-33-50/53 
R10:Flammable. 
R23/25:Toxic by inhalation and if swallowed. 
R33:Danger of cumulative effects. 
R50/53:Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
Safety Statements: 16-20/21-23-28-45-60-61 
S16:Keep away from sources of ignition. 
S20:When using, do not eat or drink. 
S21:When using do not smoke. 
S23:Do not breathe vapour. 
S28:After contact with skin, wash immediately with plenty of soap-suds. 
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) 
S60:This material and its container must be disposed of as hazardous waste. 
S61:Avoid release to the environment. Refer to special instructions / safety data sheets.

1.

ihl-mus LCLo:3 g/m3/10M

NDRC**    National Defense Research Committee, Office of Scientific Research and Development, Progress Report NDCrc-132,JUL42 .