HEMATOXYLIN Grade:HIGH PURITY GRADE CAS Number: 517-28-2Synonym(s): Natural Black 1 Molecular Weight: 356.33Molecular Formula: C16H14O6.3H2O Storage Condition: ROOM TEMPERATURE CodeSizePriceQuantity 0701-25G 0701-50G 0701-100G Nuclear stain used for general animal histology. Also used as a pH indicator (Red to Yellow over pH range 0.0 – 1.0 or Light Yellow to Violet; pH 5.0 – 6.0). Color Index: 75290