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Phthalic Anhydride (PA)

Phthalic Anhydride (PA)

Phthalic anhydride is an important basic organic chemical raw material used as a precipitant for manufacturing plasticizers, polyester resins, and alkyd resins. It is also widely used as a key ingredient in the production of coatings, dyes, pharmaceuticals, agrochemicals, saccharin, and other products.

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Technical Data Sheet

Technical Data Sheets

Product Information:

Product Name: Phthalic Anhydride
CAS No.: 85-44-9
EINECS No.: 201-607-5
Appearance: White scales or crystalline powder
Odor: Odorless
Molecular Formula: C8H4O3
Molecular Weight: 148.1 g/mol
Structural Formula:

Product Overview and Applications:

Phthalic anhydride is an important basic organic chemical raw material used as a precipitant for manufacturing plasticizers, polyester resins, and alkyd resins. It is also widely used as a key ingredient in the production of coatings, dyes, pharmaceuticals, agrochemicals, saccharin, and other products.

  • Plasticizers
  • Unsaturated Polyester Resins (UPR)
  • Alkyd Resins for Coatings and Varnishes
  • Polyester Polyols
  • Vinyl Resins
  • Pigments and Dyes
  • Agrochemicals

Product Specifications and Technical Requirements:

Parameters Technical Requirements
Purity, %w/w ≥99.95
Maleic Anhydride, %w/w ≤0.05
Lead, %w/w ≤0.1
Cadmium, %w/w ≤0.01
Mercury, %w/w ≤0.1
Chromium VI, %w/w ≤0.1

Operating Product Precautions:

  • Before use, please read the label
  • No smoking, eating, or drinking
  • Use only in well-ventilated areas
  • Avoid all sources of ignition
  • Avoid inhaling dust
  • Wear protective gloves/clothing/eye protection/face protection
  • Use respiratory protection to prevent inhalation of vapors
  • Avoid contact with eyes and skin

Storage and Transportation:

  • Store in a cool place
  • Keep away from combustible materials and food
  • Store locked up

Disposal:

  • Preferably recycle if possible; if not recyclable, dispose of through a professional waste management company.

Packaging:

Packaging

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