2,5-Dimethylbenzoselenazole

210.13 g·mol−1

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

S20/21 - When using do not eat, drink or smoke
S28 - After contact with skin, wash immediately with plenty of ... (to be specified by the manufacturer)
S45 - In case of accident or if you feel unwell seek medical advice immediately (show the label where 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 sheet

T, N