Specification Sheet
Product Name Timolol maleate salt,
≥98% (TLC), powder
Product Number T6394
Product Brand SIGMA
CAS Number 26921-17-5
Molecular Weight 432.49
 
TEST SPECIFICATION
APPEARANCE (COLOR) White to Off White
APPEARANCE (FORM) Powder
TITRATION (NT) HCLO4 0.1M 97.5 - 102.5 %
PURITY (TLC AREA %) ≥ 97.5 %
SPECIFIC ROTATION (20/D) -7.5 ± 3.5 Degrees
CONCENTRATION 4g/100ml in HCl
SOLUBILITY (COLOR) Very Light Yellow to Dark Yellow
SOLUBILITY (TURBIDITY) Clear
SOLUBILITY (METHOD) 50 mg/ml in MeOH
PROTON NMR SPECTRUM CONFORMS TO STRUCTURE