Specification Sheet
Product Name Phentolamine methanesulfonate salt,
≥98% (TLC), powder
Product Number P7561
Product Brand SIGMA
CAS Number 65-28-1
Molecular Weight 377.46
 
TEST SPECIFICATION
APPEARANCE WHITE TO FAINT YELLOW POWDER
SOLUBILITY CLEAR COLORLESS TO LIGHT YELLOW SOLUTION AT 200 MG PLUS 4 ML OF WATER
IDENTITY CONFORMS TO STRUCTURE
ELEMENTAL ANALYSIS 56.5 TO 58.1% CARBON 10.8 TO 11.4% NITROGEN
PURITY BY THIN LAYER CHROMATOGRAPHY > OR = 98%
DOCUMENT # P7561/02/23/10/2