Mowiol ® 4-88, a water-soluble mounting media with a CAS Number of 9002-89-5, is classified as Polyvinyl alcohol. This substance is part of the High molecular compounds, polymers group. It may contain trace amounts of Acetaldehyde, a highly flammable liquid and vapor that can cause serious eye irritation. Handle this product with caution due to its potential hazards.

• CAS Number: 9002-89-5
• Molecular Formula: C2H4O
• Molecular Weight: 44.05
• Exact Mass: 44.026214747
• Boiling Point: 70 °F at 760 mmHg (NTP, 1992)
• Melting Point: -190.3 °F (NTP, 1992)
• Vapour Density: 1.52 (NTP, 1992) - Heavier than air; will sink (Relative to Air)
• GHS Signal Word: Danger
• Hazard Statements:
• H224: Extremely flammable liquid and vapor [Danger Flammable liquids]
• H319: Causes serious eye irritation [Warning Serious eye damage/eye irritation]