Phthalic Anhydride flake

• Post Date:

  Dec 30,2020

• Expiry Date:

  Jun 28,2021

• Detailed Description:

  Cas No. :85-44-9 Quantity: 19Metric Tons
  Specs:99.5% Phthalic Anhydride
  Price:900 USD Metric Tons
  Payment Method: TT or LC
  Product Name ?????????Phthalic Anhydride ?
  CAS No ???????????????85-44-9
  Molecular Formula ??????C8H4O3
  Molecular Weight ???????148.11
  Introduction ????????????Phthalic anhydride is the organic compound with the formula C6H4(CO)2O. It is the anhydride of phthalic acid.
  Application ??????????????It is one of important organic chemical raw materials, used in the production of plasticizer, alkyd resins and unsaturated polyester resins, dyes and pigments, pharmaceutical and pesticide, etc.
  
  Item Unit Specification
  Appearance - White phosphorus flake or crystal powder
  Molten chromaticity(color) ≤ 20
  
  Thermal stability chromaticity(color) ≤ 50
  Sulphuric acid chromaticity(color) ≤ 40
  Crystallization point oC ≥ 130.5
  Purity ≥% 99.5
  Maleic anhydride content ≤ 0.05
  Free acid content ≤ 0.20
  
  

• CAS Registry Number:

  85-44-9

• Synonyms:

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

• Molecular Formula:

  C₈H₄O₃

• Molecular Weight:

  148.12

• Molecular Structure:

  

• Hazard Symbols:

   Xn:Harmful;
  

• Risk Codes:

  R22:;
  R37/38:;
  R41:;
  R42/43:;
  

• Safety Description:

  S22:;
  S24/25:;
  S26:;
  S37/39:;
  S46:;
  

• Company:

  Chems Co. Limited     [ China ]        

• Contact:

  Melody

• Tel:

  8615037118835

• Fax:

  -

• Email:

  ccl-melody@rychems.com