Sinocure Chemical Group Co.,Ltd.

Sinepoxy® Multifunctional Epoxy Resins&Curing agent

Sinepoxy® CA-MTHPA

Sinepoxy® CA-MTHPA is used in epoxy resin curing agents, solvent-free coatings, laminate epoxy adhesives, etc. It has excellent properties such as long-term storage at room temperature, low freezing point, low volatility, and low toxicity. It is also widely used in the impregnation, casting and winding of motors, dry-type transformers, high-voltage switches, mutual inductors, line output transformers, household appliance capacitors, and integrated circuits.

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Sinepoxy® CA-MTHPA

Chemical Name: Methyl tetra-Hydro Phthalic Anhydride; Tetrahydromethyl-1,3-isobenzofurandione

CAS No.: 11070-44-3

Molecular Formula: C9H10O3

Molecular Weight: 166.17

Molecular Structure:


Item Standard
Appearance Colorless or light yellow liquid
Viscosity(25℃) mPa.S 30-50; 50-70
Density(25℃) 1.19-1.21
Anhydride Group Content, % ≥41.0
Freezing point, ℃ ≤-15
Volatile Content, % ≤1.0

Packing: 25kg/220kg/drum; 1200kg/barrel.


MTHPA is an excellent organic solvent with a wide range of applications, mainly used in electronics, medicine, dyes, Spices, cosmetics, paints, coatings, inks, electroplating and other industries.


Being kept in a dry, clean warehouse with good ventilation.
Avoid exposure to light and heating.
Protecting the product from leakage, rain and insolation during transport.


Chemical Name:

Methyltetrahydrophthalic anhydride

Cas No.


Viscosity(25℃) mPa.S

30-50; 50-70


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