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      Phthalic anhydride

      Physicochemical properties

      Color and odor status: white needle-like crystals with a slight odor

      Toxicity: Poisoning

      Flammability: combustible 

      Density: 1.53

      Corrosion: acid corrosion

      Boiling point: 295 °C 

      Stability: stable

      Alkalinity or acidity: acidity

      Flash point: 152 °C

      Melting point: 131-134 °C

      Moisture absorption: moisture absorption, avoid contact with humid air  

      Solubility: hardly soluble in cold water, soluble in hot water and ether, ethanol, benzene and pyridine, and can undergo hydrolysis, alcoholysis and aminolysis reactions

      Various code

      CAS:85-44-9 

      HS:2917350000

      EINECS: 201-607-5

      Uses

      Phthalic anhydride is one of the most important organic chemical raw materials, used as plasticizers, production resins, dyes and pigments, a variety of paints, food additives, medicines, pesticides, coatings, saccharin, intermediates, insecticides, fungicides, additives Agents, photosensitive materials, etc.

      Hazard category

      8.1 acid corrosive products

      Fire-fighting measures

      Extinguishing agent: alcohol-resistant foam, dry powder, carbon dioxide. Do not shoot water directly to the molten material, so as not to cause serious fire or violent boiling

      Emergency treatment

      Inhalation: quickly leave the scene to fresh air. Keep the airway unobstructed. If breathing is difficult, give oxygen. If breathing stops, give artificial respiration immediately. Seek medical attention

      Ingestion: Rinse mouth with water and drink milk or egg taken by mistake. Seek medical attention

      Skin contact: Take off contaminated clothing immediately and rinse with plenty of running water for at least 15 minutes. Seek medical attention

      Eye contact: Lift the eyelid immediately, and rinse thoroughly with plenty of running water or normal saline for at least 15 minutes. Seek medical attention

      Packaging, storage, transportation

      Lined with plastic bag, 25kg/bag. Store in a cool, dry and well-ventilated warehouse. Prevent rain and sun. It should be stored separately from oxidants, reducing agents, acids, and edible chemicals, and avoid mixed storage. Avoid exposure to the sun, rain, and high temperature during transportation. Transport as required by dangerous goods





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