Basic Information and Properties of MTHPA
Methyl tetrahydrophthalic anhydrideis a chemical with a molecular formula of C9H10O3.
First, basic information.
Name: Methyl Tetrahydrophthalic Anhydride
Alias: 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 ANHYDRID;
4-METHYL-4-CYCLOHEXENE-1, 2-DICARBOXYLIC ANHYDRIDE;
4-METHYL-DELTA4-TETRAHYDROPHTHALIC ANHYDRIDE;
4-METHYL TETRAHYDROPHTHALIC ANHYDRIDE;
4-MTHPA;
Numbering: B1030
Cas 26590 20
Second, basic performance.
Methyl tetrahydrophthalic anhydride, one of the mthpa anhydride referred to as MTHPA, MeTHPA, has two isomers, namely 4-methyltetrahydrophthalic anhydride and 3-methyltetrahydrophthalic anhydride, having a melting point of 65 °C and 63 °C. It is rarely used as a curing agent alone. The actual commodity is a liquid mixture that isomerized to various isomers. The molecular weight is 166.17, and light yellow color, transparent oily liquid, relative density of 1.20 - 1.22. Freezing point < -20 °C. The boiling point is 115-155 °C. Viscosity (25 °C) 40 - 80 mPa · s. The refractive index is 1.4960 to 1. 4980. The anhydride group content is ≥ 40%. The neutralization equivalent is 81-85. The flash point is 137 - 150 °C. Soluble in acetone, ethanol, toluene, etc. It has good stability in air and is not easy to precipitate crystals. Low toxicity, LD502102mg/kg.
Jiaxing Nanyang Wanshixing Chemical Co., Ltd. is one of professional epoxy resin and hardener manufacturers. We provide MTHPA WNY1001, MTHPA WNY1002 and so on. Want to know more? Please contact us.
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