Phthalic Anhydride 85-44-9

  • CAS No.: 85-44-9
  • Type.: Organic Intermediates
  • Appearance: White flake or crystalline powder
  • Molecular Formula: C8H4O3
  • Shelf Life: -1 Year
  • Min Order Quantity: 1 ton
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Item Specifications Test Method Test Result
Appearance White flake or crystalline powder - White flake or crystalline powder
Melting Color (Pt/Co), ≤ 20 APHA Max ASTM D3366 20#
Heating Color (Pt/Co), ≤ 50 APHA Max ASTM D3366 40#
Sulphuric Acid Colour Index (Pl/Co), ≤ 40 APHA Max ASTM D3366 10#
Solidification Point, ≥ 130.5 Degree C Min ASTM D 1493 t31.0℃
Purity, ≥ 99.50% Min G/C 99.96%
Free Acid, ≤ 0.20% GB/T15336-2013 0.06%
(1) Phthalic anhydride is one of the most important organic chemical raw materials. Its main derivatives are dibutyl phthalate, dioctyl phthalate and diisobutyl acrylate.
 
(2) Phthalic Anhydride is used as a plasticizer for PVC; it can also be used to produce unsaturated poly ester resin, alkyd resin, dyes and pigments, various paints, food additives, laxatives in medicine, phenolphthalein, imipenem in pesticides, bentazone and sodium saccharin.
 
(3)Phthalic Anhydride can also used as an analytical reagent and for organic synthesis.

 
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