Liquid MTHPA methyltetrahydrophthalic anhydride for curing agents

Product Overview

Description

Molecular formula: C9H10O3
CAS No: 26590-20-5
Molecular weight: 166.17

Other known Name: 

 

1,2,3,6-TETRAHYDRO-3-METHYLPHTHALIC ANHYDRIDE;
1-METHYL-5-CYCLOHEXENE-2,3-DICARBOXYLIC ANHYDRIDE;
3-METHYL-DELTA4-TETRAHYDROPHTHALIC ANHYDRIDE;
3-METHYLTETRAHYDROPHTHALIC ANHYDRIDE;
4-METHYL-1,2,3,6-TETRAHYDROPHTHALIC ANHYDRIDE;
4-METHYL-4-CYCLOHEXENE-1,2-DICARBOXYLIC ANHYDRIDE;
4-METHYL-DELTA4-TETRAHYDROPHTHALIC ANHYDRIDE;
4-METHYL TETRAHYDROPHTHALIC ANHYDRIDE;
4-MTHPA;
5-METHYL-3A,4,7,7A-TETRAHYDRO-2-BENZOFURAN-1,3-DIONE;
5-METHYL-3A,4,7,7A-TETRAHYDRO-ISOBENZOFURAN-1,3-DIONE;
AC-METHYL;
METHYL-1,2,3,6-TETRAHYDROPHTHALIC ANHYDRIDE;
METHYLCYCLOHEXENE-1,2-DICARBOXYLIC ANHYDRIDE;
MTHPA;

 

 

 

 

 

Product Specifications: 

 

Items	Methyltetrahydrophthalic anhydride
Appearance	slightly yellow liquid
Anhydride	41% Min
Volatile Content	1.0% Max
Free Acid (mgKOH/g)	1.0% Max
Freezing Point (oC)	-15 Max
Viscosity (25o C)mPa.s	30-50

 

 

Product applications: 

 

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.

 

 

 

MTHPA is packed in 25 kg plastic drums or 220kg galvanized iron drums.It should be stored in cool, dry places and keep away from moisture.