Product Name: Methyltetrahydrophthalic anhydride, MTHPA.
CAS No: 11070-44-3
Formula: C₉H₁₂O₃
Formula Weight: 166.17
Application: Epoxy resin curing agents, solvent free paints, laminated boards, epoxy adhesives, etc. With the many advantages, e.g. long-term storage at room temperature, low freezing point, small volatilization and low toxicity, MTHPA is widely used in electric machines, dry-type transformers, high voltage switches, mutual inductance equipments, horizontal output transformers, household appliances capacitors, power capacitors and resistances, and the impregnating, casting and wrapping of integrated circuits.
Package: 25 kg plastic drums or 220kg iron drums.

Cautions: Store in cool, dry places and keep away from moisture.
Specification
Appearance                slightly yellow liquid
Anhydride Content    ≥41.0%
Volatile Content     ≤1.0%
Free Acid            ≤1.0 %
Freezing Point       ≤-15oC
Viscosity(25oC)         30-50 mPa·s
Structure:

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