Product name

3a-methyl-5,6-dihydro-4H-isobenzofuran-1,3-dione

Alias

tetrahydromethylphthalic anhydride; Tetrahydromethyl-1,3-isobenzofurandione; 4-Methyl tetrahydro phthalic anhydride; 1,3-Isobenzofurandione, tetrahydromethyl; MTHPA; Methyltetrahydrophthalic anhydride

CAS#

11070-44-3  ；19438-64-3  

Molecular formula

C₉H₁₀O₃   

Molecular weight

166.18

Product use

It is used for filling and sealing unsaturated polyester resin, epoxy resin curing agent, pesticide intermediate, dry type transformer, etc. It is an excellent organic solvent, mainly used in electronics, medicine, dye, spice, cosmetics, paint, coating, printing ink, electroplating and other industries.