Tetrahydrophthalic Anhydride
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Product Description
Tetrahydrophthalic Anhydride, CAS 85-43-8 (CAS 935-79-5)
Tetrahydrophthalic Anhydride (THPA) is a cyclic acid anhydride widely used as an epoxy resin curing agent and specialty chemical intermediate. It is also known as 1,2,3,6-Tetrahydrophthalic Anhydride and is represented by the molecular formula C8H8O3.
THPA reacts with epoxy resins to form crosslinked thermosetting materials with good electrical insulation, thermal resistance and mechanical properties. It is particularly suitable for applications requiring stable electrical and dimensional performance.
Product Chemical Properties
Chemical Name: Tetrahydrophthalic Anhydride
CAS No.: 85-43-8
Synonyms: THPA, 1,2,3,6-Tetrahydrophthalic Anhydride, 4-Cyclohexene-1,2-dicarboxylic Anhydride
Molecular Formula: C8H8O3
Molecular Weight: 152.15 g/mol
EC No.: 201-605-4
Chemical Type: Cyclic Carboxylic Acid Anhydride
Main Function: Epoxy Resin Curing Agent
Product Technical Specification
Appearance: White Flake
Assay: ≥99.00%
Melting point: 100.0 ± 2.0℃
(Pt-Co), Hazen Melt Color: ≤80
Applications of Tetrahydrophthalic Anhydride
As an organic intermediate,THPA is usually used in the production of alkyd and unsaturated polyester resins,coatings and the curing agent for the epoxy resins,and also used in insecticides,sulfide regulator, plasticizers, surfactant, alkyd resin modifier,pesticides and the raw materials of pharmaceuticals.
As raw materials for the production of unsaturated polyester, THPA mainly improved the air-drying performance of resins.The performance is more obvious especially in the production of high-grade resin putty and air-drying coatings.
Packaging
25kg/bag, 500kg/bag
Production Capacity
12000MT/year
Storage Requirements
Store Tetrahydrophthalic Anhydride in tightly sealed original containers in a cool, dry and well-ventilated area. Protect the product from moisture, heat and direct sunlight. Avoid contact with incompatible materials and keep containers closed when not in use.
Shelf life: 12months.
Tetrahydrophthalic Anhydride Bulk Supply from China
Hosea Chem supplies Tetrahydrophthalic Anhydride (THPA), CAS 85-43-8, for epoxy resin curing and specialty chemical applications. As a China chemical manufacturer and supplier, Hosea Chem supports bulk orders, customized specifications, stable supply and global export service for customers worldwide.
Contact Hosea Chem for THPA price, bulk quotation, technical specifications, packaging options and export availability.