CRYSTAL VIOLET/结晶紫 Grade: USP GRADE CAS Number: 548-62-9 Description: A component of Gram stain. A pH indicator (Yellow to Violet/Blue; range 0.0 - 1.8). Synonym(s): None Molecular Weight: 408.00 Molecular Formula: C25H30N3Cl Storage Condition: ROOM TEMPERATURE Risk Statements: 23/24/25-36/37/38-42/43 Safety Statements: 36/37/39