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Methyl tetrahydrophthalic anhydride


Methyl tetrahydrophthalic anhydride

Abbrevation: MTHPA
CAS No: 19438-64-3, 26590-20-5
Molecular Formula: C9H10O3
Molecular Weight: 166.17
Structural Formula:


1. high purity and light Color
2. low viscosity
3. Stable and low volatility, long shelf-life
4. good solubility
5. Low toxicity

Application: Curing agent for Epoxy resins, used in epoxy paints and adhesives; impregnating, casting and wrapping of integrated circuits.

Appearance                slight yellow liquid
Anhydride Content    ≥41.0%
Volatile Content        ≤1.0%
Free Acid                  ≤1.0 %
Freezing Point           ≤-15℃
Viscosity(25℃)         30-50 mPa·s  

Storage, Packing & Transportation

25kg plastic drum or 220kg metal pail. Avoid moisture, fire and water. Kept in dry and ventilating place.



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