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3,4,5,6-Tetrahydrophthalic Anhydride for PE Resin Production
3,4,5,6-Tetrahydrophthalic Anhydride for PE Resin Production
3,4,5,6-Tetrahydrophthalic Anhydride for PE Resin Production
3,4,5,6-Tetrahydrophthalic Anhydride for PE Resin Production
3,4,5,6-Tetrahydrophthalic Anhydride for PE Resin Production
3,4,5,6-Tetrahydrophthalic Anhydride for PE Resin Production

3,4,5,6-Tetrahydrophthalic Anhydride for PE Resin Production

Payment Type:L/C,T/T,D/P

Incoterm:CFR,CIF,FOB

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Brandkepeo

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Payment TypeL/C,T/T,D/P

IncotermCFR,CIF,FOB

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Pesticide Intermediates 3,4,5,6-Tetrahydrophthalic Anhydride

3,4,5,6-Tetrahydrophthalic Anhydride, also known as THPA, has the chemical formula C10H12O3.The following is a description of the properties, uses, preparation and safety information of THPA:

Properties:
1.THPA is a solid, colorless and transparent.
2.It is insoluble in water at room temperature, but soluble in organic solvents such as alcohols and ethers.
3.THPA has a melting point of 124-125℃ and a boiling point of 315℃.
4. It has a certain stability, but the reaction of decomposition and oxidation may occur at high temperature, sunlight irradiation or contact with oxygen.

Uses:

1.It is an intermediate of the insecticide pyrethrin. Can be used as a modifier of alkyd resin, epoxy resin curing agent, unsaturated polyester resin, pesticides and pharmaceutical raw materials for light-colored or air-drying alkyd resin, curing agent of light-stable unsaturated polyester and epoxy resin, as well as production of putty resin, PE resin, solvent-free paint, antifouling paint, HF-grade insulating paint, room temperature quick-drying or anaerobic adhesive, EPS plasticizer, pesticides, tetramethrin.

2.THPA is widely used in organic synthesis and is an important chemical intermediate.
3.It can be used to produce compounds such as acid anhydride, ester, ether and so on.
4.THPA can be used as stabilizers, catalysts, plasticizers, dyes and raw materials of polymer materials.
Method of Preparation:
1.The preparation of THPA is generally obtained by esterification reaction of cis-1,2,3,6-tetrahydroxyphthalic acid.
2.The specific method includes adding the esterifying agent to the solid or solution, reacting with heat and purifying by distillation.
Safety Information:
1.THPA is generally a low toxicity substance under normal conditions of use.
2. During handling, take care to avoid contact with skin and eyes and try to maintain a well ventilated environment.
3. During storage and transportation, avoid contact with oxidizing agents, strong acids and other substances, as well as pay attention to moisture and fire prevention.

Please note that it is advisable to refer to the relevant safety data sheets and operating instructions before using THPA and carrying out related operations to ensure safety and correctness.

3,4,5,6-Tetrahydrophthalic Anhydride

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