Description
Quality Sigma-Aldrich will change the name of this product, eliminating the term "puriss." or "purum" beginning November, 2009. Please note that this is only a name change; the product qualities and specifications remain the same.

Properties
assay ≥98.5% （T）
  ≥98.5% （TLC）
optical activity [α]20/D -21.0±1.0°, c = 1% in H2O
mp 103-106 °C（lit.）
solubility methanol: soluble100 mg/mL, clear, colorless

Safety
Personal Protective Equipment Eyeshields, Gloves, type N95 （US）, type P1 （EN143） respirator filter
WGK Germany 3
RTECS PD0480000