[Tucker_16]

does anyone know a good website where i can get a msds of Nitropentaamminecobalt chloride, chloropentaamminecobalt chloride and Nitritopentaamminecobalt chloride ?

[Arkcon]

A little Googleing helped me find at least one:
http://www.chem.uncc.edu/php/SearchMSDS.php

But the vendor should provide it for you when you order it, and you should keep the copy they send handy.  If you've simply lost it, they should just fax you another copy.  But Google isn't bad for finding an MSDS.

[Tucker_16]

thank you so much!