141-90-2

R40:Limited evidence of a carcinogenic effect.
R45:May cause cancer.
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed .

S36/37:Wear suitable protective clothing and gloves .
S53:Avoid exposure-obtain special instruction before use .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .

Moderately toxic by ingestion. Human teratogenic effects by unspecified routes: developmental abnormalities of the central nervous system, craniofacial area, and endocrine system. Human reproductive effects by unspecified route: effects on newborn, including viabllity index changes. Experimental teratogenic effects. Other experimental reproductive effects. Questionable carcinogen with experimental neoplastigenic and tumorigenic data. Mutation data reported. When heated to decomposition it emits very toxic fumes of NOx and SOx. Used in the treatment of hyperthyroidism, angina pectoris, and congestive heart failure. See also MERCAPTANS and KETONES.