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Methyl tetrahydrophthalic anhydride(Mixture of 3- and 4- Isomers),98%,Industrial grade mixtures

  • CAS No. 19438-64-3

  • Cat. No. CS-0181019
  • Molecule weight166.17
  • Purity98%,Industrial grade mixtures
  • MDL No.MFCD00870768

*For research and further manufacturing use only, not for direct human use.

Methyl tetrahydrophthalic anhydride(Mixture of 3- and 4- Isomers),98%,Industrial grade mixtures|CS-0181019

Structure of 19438-64-3

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General Information

  • CAS No. 19438-64-3
  • Cat. No. CS-0181019
  • Purity 98%,Industrial grade mixtures
  • MDL No. MFCD00870768
  • Storage -20°C, sealed storage, away from moisture
  • Shipping Room temperature in continental US; may vary elsewhere.
  • Molecular Formula C₉H₁₀O₃
  • Molecular Weight 166.17
  • Synonym(s) 5-Methyl-7,7a-dihydroisobenzofuran-1,3(3aH,6H)-dione
  • SMILES O=C1OC(C2CCC(C)=CC21)=O

Description

Methyl tetrahydrophthalic anhydride (mixture of 3- and 4-isomers) delivers high reactivity in epoxy curing applications, combining thermal stability with efficient crosslinking. This industrial-grade mixture features balanced isomeric composition for consistent performance, enabling robust resin formulations under standard processing conditions.

Application

Methyl tetrahydrophthalic anhydride (mixture of 3- and 4-isomers) serves as a versatile building block in polymeric resins and specialty chemicals. Its dual isomeric structure provides balanced reactivity and thermal stability, enabling efficient incorporation into polyester and epoxy systems. The anhydride functionality facilitates robust crosslinking under mild conditions, offering excellent processability and durability in industrial coatings and adhesives.

Synthesis

  • Route1

    References

    • J. Appl. Chem. USSR (Engl. Transl.), , vol. 61, # 9 p. 2060 - 2063,1863 - 1866

Safety Information

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GHS Pictogram :
GHS No : GHS05,GHS08,GHS09
Signal Word : Danger
UN#: 3082
Class : 9
Packing Group : Ⅲ
Hazard Statements : H317-H318-H334-H402-H411
Precautionary Statements : P261-P264-P270-P271-P272-P273-P280-P284-P391-P405-P501

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Computational Chemistry Data

  • TPSA   43.37
  • LogP   1.0423
  • H_Acceptors   3
  • H_Donors   0
  • Rotatable_Bonds   Rotatable_Bonds:

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