Synonyms: Methyltriphenylphosphonium bromide Purity Limit: ≥ 99% (Titration) CAS No.: 1779-49-3 Molecular Formula: C19H18P·Br Molecular Weight: 357.23 MDL No.: MFCD00011804 Appearance: White to off-white crystalline powder Storage Temperature: Store at 0-8 °C