ACRYL/BIS™ 19:1 Grade:ULTRA PURE GRADE CAS Number: N/ASynonym(s): Acrylamide Bis-acrylamide Molecular Weight: N/AMolecular Formula: N/A Storage Condition: COLD CodeSizePriceQuantity 0496-500ML 0496-1L A 40% solution containing 38% (w/v) acrylamide and 2% (w/v) bis-acrylamide for a monomer to cross-linker ratio of 19:1.