Introduction
CAS：11070-44-3
Methyl-tetrahydrophthalic Anhydride
It’s Molecular formula is C9H10O3 and the molecular weight is 166.18, the specific weight is 1.15.MeTHPA is dissovable in benzene and acetone,etc.and it is featured in hygroscopic property.
Standard Specifications
NO. Item\Grade\Type | MTHPA Stalable products |
1 appearance | Yellowish transparent liquid |
2 Color(platinum-cobalt) | ＜150# |
3 Density g/cm3 20°C | 1.21±0.05 |
4 Crystallizing pont °C< | 15 |
5 Viscosity pa.s 25°C | 0.035-0.050 |
6 Acid value mgKOH/g | 660-685 |
7 Anhydride content% | >41.5 |
8 Heating loss | ＜2.0 |
Applications
MTHPA is solifying agents that match with epoxy resins.The products are mainly applied to industries such as electronics,electric and sealants.They are the main raw materials for transformers,vacuum pressure impregnation ,insulating vanishes,high-pressure electric appliances and glass steel wares,etc.
Storage,Packing and Transportation
The performance of this product is stable.Attention shall be paid to the sealing and moisture prevention during the transportation and storage.Quality can be kept for one year under normal tempreture storage. If improperly kept,this product may produce sediments after absorbing moisture.To restore the original status,simple heat the product under aaprox.140°C.
