Dongying City Longxing Chemical Co., Ltd.

Phthalic anhydride

• Category :

  Intermediates

• Synonyms :

  2,5-Isobenzofurandione;2-benzofuran-1,3-dione;2,2'-(oxydicarbonyl)dibenzoic acid;o-Phthalic anhydride;

• CAS NO :

  85-44-9

• EC NO :

  201-607-5

• Molecular Formula :

  C₈H₄O₃

• Molecular Weight :

  148.12

• Main Specifications :

• InChI :

  InChI=1/C16H10O7/c17-13(18)9-5-1-3-7-11(9)15(21)23-16(22)12-8-4-2-6-10(12)14(19)20/h1-8H,(H,17,18)(H,19,20)

• Product description :

  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
  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 white 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

• Molecular Structure :