Properties
grade puriss. p.a.
assay ≥97.0% （from N）
ign. residue  ≤0.1% （as SO4）
mp 203-211 °C（lit.）
suitability passes test for suitable for metal definition

Safety
Personal Protective Equipment dust mask type N95 （US）, Eyeshields, Gloves
Hazard Codes Xi
Risk Statements 36/37/38
Safety Statements 26-36
WGK Germany 3