Description
Quality Sigma-Aldrich will change the name of this product, eliminating the term "puriss." or "purum" beginning February, 2010. Please note that this is only a name change; the product qualities and specifications remain the same.

Properties
assay ≥98.0% （TLC）

Safety
Personal Protective Equipment Eyeshields, Gloves, type N95 （US）, type P1 （EN143） respirator filter
WGK Germany 3