Our Factory
Heze Yonghui Composite Materials Co., Ltd. specializes in the production of high-performance, specialty amine-based chemical products such as MDA, DDM, MOCA, PACM, MACM, MDA-60, etc.
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![Methyl Tetrahydrophthalic Anhydride]()
Methyl Tetrahydrophthalic AnhydrideProduct name: Methyl tetrahydrophthalic anhydrideview more
Other name:tetrahydromethylphthalic anhydride(MTHPA)
11070-44-3
Purity:≥99.5%
Chemical formula: ... -
![Tetrahydromethyl-1,3-isobenzofurandione]()
Tetrahydromethyl-1,3-isobenzofurandioneProduct name:Tetrahydromethyl-1,3-isobenzofurandioneview more
Other name:tetrahydromethylphthalic anhydride(MTHPA)
HIGH PURITY MTHPA
Cas No.:11070-44-3
Purity:≥99.5%
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![Phthalic Anhydride Methyl Tetra Hydro Phthalic Anhydride (MTHPA)]()
Phthalic Anhydride Methyl Tetra Hydro Phthalic Anhydride ...Product name:Phthalic Anhydride Methyl Tetra Hydro Phthalic Anhydride (MTHPA)view more
Other name:tetrahydromethylphthalic anhydride(MTHPA)
HIGH PURITY MTHPA
Cas No.:11070-44-3...
Why Choose Us
MODERN LABORATORIES
Our R&D center is equipped with advanced analytical tools (GC-MS, HPLC) and pilot-scale equipment, enabling formulation optimization for applications such as carbon fiber composites, oil pipeline coatings, and electronic potting adhesives.
TECHNICAL PARTNERSHIPS
Long-term collaborations with top universities drive innovation. We have secured multiple patents in liquid DDM derivatives and high-temperature curing agents for PI/PEI insulating lacquers.
CERTIFICATIONS
ISO 9001/14001 certifications and REACH compliance reflect our commitment to quality. Our R&D team, consisting of over 10 members (30% with PhD or Master’s degrees), ensures continuous innovation.
Chemical name:Methyltetrahydrophthalicanhydride
Synonym:1,3-Isobenzofurandione,3a,4,7,7a-tetrahydromethyl-;3a,4,7,7a-tetrahydromethyl-3-isobenzofurandione;3-Isobenzofurandione,3a,4,7,7a-tetrahydromethyl-1;AC220;AC220J;ac220;METHYL-1,2,3,6-TETRAHYDROPHTHALICANHYDRIDE;MTHPA
CAS:26590-20-5
Molecular formula:C9H10O3
Molecular weight:166.17
EINECS:247-830-1
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Item |
Standard |
Test Results |
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Ldentification |
A.H-NMR:Comply with the structure |
Complies |
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B.LC-MS:Comply with the structure |
Complies |
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C.The IR spectrum of sample should be identical with that of reference standard. |
Complies |
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D.HPLC-ESI-MS |
Complies |
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Heavy metals |
≤10 ppm |
<10ppm |
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Water |
≤1.0% |
0.1% |
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Sulphated ash |
≤0.5% determined on 1.0 g. |
0.009% |
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Residue on ignition |
≤0.1% |
0.03% |
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Related Substances |
Unspecified impurities: for each impurity |
≤0.10% |
<0.10% |
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Total Impurities |
≤0.5% |
0.18% |
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Purity |
≥99.0% |
99.7% |
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Assay |
99.0%~101.0% (anhydrous substance). |
99.8% |
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Storage |
Preserve in well-closed, light-resistant and airtight containers. |
Complies |
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THE MAIN ADVANTAGES OF MTHPA
Methyltetrahydrophthalic anhydride (MTHPA) is a chemical compound that falls under the category of cyclic anhydrides. It is primarily used as a curing agent in epoxy resins. Here are some of the main advantages of MTHPA:
Curing properties: MTHPA is an effective curing agent for epoxy resins, providing excellent heat and chemical resistance. It helps convert the liquid epoxy resin into a solid, durable, and thermoset material, making it suitable for various applications.
Low viscosity: MTHPA typically has a lower viscosity compared to other curing agents, which makes it easier to handle and mix with epoxy resins, improving the processing and application characteristics.
Good thermal stability: The cured epoxy with MTHPA exhibits good thermal stability, making it suitable for applications where temperature resistance is essential.
Good electrical properties: The cured epoxy resins with MTHPA as the curing agent often have desirable electrical pr
Applicatiions
Used in epoxy resin curing agent, solvent-free paint, laminate, epoxy adhesive, etc. Used as epoxy resin curing agent, it has excellent properties of long-term storage at room temperature, low freezing point, low volatility and low toxicity.
Widely used in motor, dry transformer, high voltage switch, transformer, line output transformer, home appliance capacitor, power capacitor resistance, integrated circuit impregnation, pouring and winding, etc.
Specification and Physical Properties
Methyl tetrahydrobenzene intoxicant is a high-performance product in the curing agent of acid pastry class, its performance characteristics: high purity, light colour, low viscosity, low volatility, low toxicity, low loss on heating, stable performance, long application period, low freezing point and can be stored for a long period of time at room temperature. Methyl hexahydroxybenzene intoxicant is refined from methyl tetrahydroxybenzene intoxicant by catalytic hydrogenation, and its properties are as follows: light colour, colourless transparent body, epoxy curing substance white colour: good heat resistance, especially at 150℃, epoxy curing substance has excellent mechanical and electrical properties. Good heat resistance, especially at 150℃, the epoxy cured material has excellent mechanical and electrical properties, good weather resistance, not affected by light and heat, good humidity resistance, high reactivity, fast curing, short gel time.
20 kilograms, 25 kg, 220 kg and 240 kg lBC barrel packaging. The performance of this product is stable. During storage and transportation, attention should be closed moistureproof fireproof and waterproof. lt is stored in a dry and ventilated warehouse and stored at room temperature for one year.
Our Certificate
FAQ
As one of the leading MTHPA manufacturers in China, we warmly welcome you to wholesale high-grade MTHPA for sale here from our factory. All chemicals are with high quality and competitive price.
1 3 Isobenzofurandione tetrahydromethyl , 11070-44-3, HIGH PURITY MTHPA
