Specification Sheet
Product Name Ruthenium Red,
for microscopy, ≥85% (calc. on dry substance, AT)
Product Number 84071
Product Brand SIGMA
CAS Number 11103-72-3
Molecular Weight 786.35
 
TEST SPECIFICATION
APPEARANCE (COLOR) Red to Very Dark Red and Purple to Very Dark Purple and Brown to Very Dark Brown and Very Dark Red-Brown
APPEARANCE (FORM) Powder
ARGENTOMETR. TITRATION 85.0 - 115.0 % (CALCULATED ON DRY BASIS)
SOLUBILITY (COLOR) Dark Red to Very Dark Red and Dark Purple to Very Dark Purple
SOLUBILITY (TURBIDITY) Clear to Turbid
SOLUBILITY (METHOD) 10 MG/ML WATER
WATER ~ 5 %
WAVELENGTH (1) (UV) 529 - 539 nm
EXTINCTION (1%/1CM) (1) (UV) ≥ 150
SOLVENT (UV) 0.1 M AMMONIUM ACETATE