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• douwinchem douwinchem
  Phthalic Anhydride (PA)
  https://www.douwin-chem.com/products/phthalic-anhydride-pa/
  #phthalic #anhydride #supplier
  Phthalic Anhydride (PA)
  Phthalic anhydride is an organic compound, C8H4O3, which is a circular anhydride formed by the dehydration of...  morePhthalic Anhydride (PA)
  https://www.douwin-chem.com/products/phthalic-anhydride-pa/
  #phthalic #anhydride #supplier
  Phthalic Anhydride (PA)
  Phthalic anhydride is an organic compound, C8H4O3, which is a circular anhydride formed by the dehydration of phthalic acid molecules. Phthalic anhydride is a white solid, it is an important raw material in the chemical industry, especially used in plasticizer manufacture. HS code for PA is 2917350000.  less

  November 23, 2021

  
• douwinchem douwinchem
  Maleic Anhydride (MA)
  https://www.douwin-chem.com/products/maleic-anhydride-ma/
  #maleic #anhydride #china
  Maleic Anhydride (MA)
  Maleic anhydride often abbreviated as MA, is an organic compound. It is a colorless crystal, strong stimulating smell, and...  moreMaleic Anhydride (MA)
  https://www.douwin-chem.com/products/maleic-anhydride-ma/
  #maleic #anhydride #china
  Maleic Anhydride (MA)
  Maleic anhydride often abbreviated as MA, is an organic compound. It is a colorless crystal, strong stimulating smell, and easy to sublimate. HS code is 29171400. It is mainly obtained from the oxidation of n-butane or butene in benzene or carbon four fractions and is a raw material for the production of unsaturated polyester and organic synthesis.  less

  November 23, 2021

  

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• wsxchem
  Basic Information and Properties of MTHPA
  
  #mthpa #anhydride #cas
  
  Methyl tetrahydrophthalic anhydride is a chemical with a molecular formula of C9H10O3.
  
  First, basic information.
  Name:...  moreBasic Information and Properties of MTHPA
  
  #mthpa #anhydride #cas
  
  Methyl tetrahydrophthalic anhydride is a chemical with a molecular formula of C9H10O3.
  
  First, basic information.
  Name: Methyl Tetrahydrophthalic Anhydride
  Alias: 1,2,3,6-TETRAHYDRO-3-METHYLPHTHALIC ANHYDRIDE;
  1-METHYL-5-CYCLOHEXENE-2, 3-DICARBOXYLIC ANHYDRIDE;
  3-METHYL-DELTA4-TETRAHYDROPHTHALIC ANHYDRIDE;
  3-METHYLTETRAHYDROPHTHALIC ANHYDRIDE;
  4-METHYL-1,2,3,6-TETRAHYDROPHTHALIC ANHYDRID;
  4-METHYL-4-CYCLOHEXENE-1, 2-DICARBOXYLIC ANHYDRIDE;
  4-METHYL-DELTA4-TETRAHYDROPHTHALIC ANHYDRIDE;
  4-METHYL TETRAHYDROPHTHALIC ANHYDRIDE;
  4-MTHPA;
  Numbering: B1030
  CAS No：26590-20-5 11070-44-3
  
  Second, basic performance.
  Methyl tetrahydrophthalic anhydride, one of the mthpa anhydride referred to as MTHPA, MeTHPA, has two isomers, namely 4-methyltetrahydrophthalic anhydride and 3-methyltetrahydrophthalic anhydride, having a melting point of 65 °C and 63 °C. It is rarely used as a curing agent alone. The actual commodity is a liquid mixture that isomerized to various isomers. The molecular weight is 166.17, and light yellow color, transparent oily liquid, relative density of 1.20 - 1.22.
  https://www.wsxchem.com/resources/basic-information-and-properties-of-mthpa.html  less

  March 31, 2021