Certificate Of Analysis
Product Name 2-Mercapto-5-methylbenzimidazole,
99%
Product Number 305243
Product Brand ALDRICH
CAS Number 27231-36-3
Molecular Formula C8H8N2S
Molecular Weight 164.23
 
TEST SPECIFICATION LOT 05323BG RESULTS
APPEARANCE OFF-WHITE TO BEIGE POWDER WITH CHUNKS BEIGE POWDER WITH CHUNKS
MELTING POINT 285-289 DEGREES CELSIUS
INFRARED SPECTRUM CONFORMS TO STRUCTURE. CONFORMS TO STRUCTURE.
ELEMENTAL ANALYSIS CARBON 57.6% - 60.0% CARBON 58.44%
  NITROGEN 16.8% - 17.5% HYDROGEN 4.87%
  NITROGEN 16.99%
THIN-LAYER CONSISTENT WITH 99% PURITY ONE SPOT WITH TRACE IMPURITIES (>98.5%)
SOLUBILITY 25MG/ML, MEOH; CLEAR, GOLD-YELLOW SOLUTION