PONCEAU S Grade:HIGH PURITY GRADE CAS Number: 6226-79-5Synonym(s): None Molecular Weight: 760.61Molecular Formula: C22H12N4Na4O13S4 Storage Condition: ROOM TEMPERATURE CodeSizePriceQuantity 0860-50G 0860-100G A substitute for acid fuschin in Van Gieson stain. Also used for staining proteins after electrophoresis. Color Index: 27195