o-Phthalic anhydride

o-Phthalic Anhydride

Basic Information:

• CAS Number: 85‑44‑9
• Product Code: P816733
• Molecular Formula: C₈H₄O₃
• Molecular Weight: 148.12 g/mol
• Pack Size: 500 g

Appearance & Properties:

• Appearance: White crystalline solid
• Odor: Characteristic, slightly pungent
• Melting Point: ~131–133 °C
• Solubility: Slightly soluble in water; soluble in most organic solvents (acetone, benzene, alcohol)

Applications:

• Manufacturing of plasticizers and phthalate esters
• Production of dyes, pigments, and resins
• Used in coatings, adhesives, and chemical synthesis
• Laboratory reagent in organic chemistry research

Storage & Handling:

• Store in a cool, dry, and well-ventilated area
• Keep container tightly closed
• Protect from moisture and direct sunlight
• Use appropriate personal protective equipment (PPE) when handling

Safety Information:

• Hazards: May cause irritation to eyes, skin, and respiratory system
• Precautions: Avoid inhalation, eye contact, and prolonged skin contact

First Aid:

• Skin contact: Wash with soap and water
• Eye contact: Rinse with plenty of water
• Inhalation: Move to fresh air
• Ingestion: Seek medical advice immediately