Methyltetrahydrophthalic anhydride, MTHPA

Molecular formula:C9H10O3

CAS No:26590-20-5

Molecular weight:166.17

Uses: For epoxy curing agent, solvent-free paint, laminates, epoxy adhesives and so on. For epoxy curing agent, with such advantages as : a long-term storage at room temperature, freezing point is low, volatility is small, excellent performance and low toxicity. It is widely used in the impregnation, casting and winding of motors, dry-type transformers, high voltage switch, transformer, line output transformer, household appliances capacitors, power capacitors resistors, integrated circuits and so on.

Methyltetrahydrophthalic anhydride, MTHPA  Specification:

Appearance            slightly yellow liquid

Anhydride %                       Min  41.5

Volatile Content                  Max 1.0%

Free Acid                             Max 1.0%

Crystallization point C         Max -15        

Packing: 25kg plastic drum or 220kg metal pail.

Methyltetrahydrophthalic anhydride, MTHPA