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; 3a-methyl-3a,4,5,6-tetrahydro-2-benzofuran-1,3-dione; 7a-methyl-3a,4,5,7a-tetrahydro-2-benzofuran-1,3-dione; 1,3-Isobenzofurandione, tetrahydromethyl-; cis-4-Methyl-1,2,3,6-tetrahydrophthalic anhydride; 4-Methyl Tetrahydrophthalic Anhydride; 4-Methylcyclohexane-1,2-dicarboxylic anhydride; 5-methyl-4,5,6,7-tetrahydro-2-benzofuran-1,3-dione; 6-methyl-3a,4,5,7a-tetrahydro-2-benzofuran-1,3-dione; 4-Methylhexahydrophthalic anhydride; MeH-HPA; MTHPA; Methyl tetrahydrophthalic anhydride; Methyltetrahydrophthalic anhydride; Methy tetra-Hydro Phthalic Anhydride; Methyltetrahydrophthalicanhydride; Methyl tetrahydro phthalic anhydride

CAS: 11070-44-3; 19438-64-3; 34090-76-1 34090-76-1

EINECS:Number: 234-290-7; 251-823-9

Molecular Formula: C9H10O3

Molecular Weight: 166.1766

Density: 1.251g/cm³

Boiling point: 292.4°C at 760 mmHg

Flash Point: 136.1°C

Vapor pressure: 0.00184mmHg at 25°C

Product Uses: Used in epoxy resin curing agents, solvent-free paints, laminates, epoxy adhesives, etc. It is used as an epoxy resin curing agent, which has excellent properties such as long-term storage at room temperature, low freezing point, low volatility and low toxicity. It is widely used in impregnation, pouring and winding of motors, dry-type transformers, high-voltage switches, transformers, line output transformers, household appliance capacitors, power capacitors and resistors, integrated circuits, etc.

Appearance: Colorless or yellowish clear liquid
Storage: This product should be protected from light, airtight, moisture-proof, away from fire during storage, and the storage period is one year.