Specification Sheet
Product Name Isophthalic acid,
analytical standard
Product Number 42304
Product Brand SIAL
CAS Number 121-91-5
Molecular Weight 166.13
 
TEST SPECIFICATION
APPEARANCE (COLOR) White to Off White
APPEARANCE (FORM) Powder or Crystals
PURITY (GC AREA %) ≥ 97.0 %
PROTON NMR SPECTRUM CONFORMS TO STRUCTURE
EXPIRY PERIOD 36 MONTHS