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China, Chinese Thpa Tetrahydrophthalic Anhydride 1, 2, 3, 6-Tetrahydrophthalic Anhydride CAS 85-43-8 for Resins1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Organic ChemicalsCarboxylic Acid Derivative236-Tetrahydrophthalic Anhydride CAS 85-43-8 for ResinsTetrahydrophthalic AnhydrideThpa
Henan Ruidea Industry Co., Ltd.
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Product Description Product Description1,2,3,6-Tetrahydrophthalic anhydride, also known as THPA.Properties: - THPA is a white flaky solid.It is insoluble in water at room temperature, but soluble in organic solvents such as alcohol and ether.It has a certain stability, but it may decompose and oxidize when exposed to high temperature, sunlight or oxygen.Product Name:1,2,3,6-Tetrahydrophthalic anhydrideSynonyms:Δ4-Tetrahydrophthalic anhydride;Δ4-Tetrahydrophthalic anhydride;1,2,3,6-Tetrahydro phthalic anhydride (THPA);1,3-Isobenzofurandione, 3a,4,7,7a-tetrahydro-;Tetrahydrophthalsureanhydrid;1,2,3,6-tetrahydrophthalicanhydride[qr];1,3-Isobenzofurandione, 3a,4,7,7a-tetrahydro-, cis-;1,3-isobenzofurandione,3a,4,7,7a-tetrahydro-[qr]CAS:85-43-8MF:C8H8O3MW:152.15EINECS:201-605-4 Product Parameters 1,2,3,6-Tetrahydrophthalic anhydride Chemical PropertiesMelting point 101-102°CBoiling point 195°C 5mmdensity 1,375 g/cm3vapor pressure 0.021Pa at 20oCrefractive index 1.4810 (estimate)Fp 157°Cstorage temp. Store below +30°C.solubility soluble in DCM, Ethyl Acetate, Tolueneform Solidpka3.84[at 20 oC]color Off-White to Light TanWater Solubility 29.4g/L at 20oCLogP1.29 at 40oCCAS DataBase Reference85-43-8(CAS DataBase Reference)EPA Substance Registry SystemTetrahydrophthalic anhydride (85-43-8)SpeicificationProduct QualityAppearance: white flaky solidAssay: ≥99.5%; Free Acid: ≤1.0%Melting Point:: 100±2oC Chroma (APHA): ≤30; ApplicationUses:THPA is widely used in organic synthesis and is an important chemical intermediate.It can be used to produce compounds such as anhydrides, esters, and ethers.THPA can be used as a stabilizer, catalyst, plasticizer, dye, and raw material for polymer materials.Packaging & ShippingPacking: 25KG/composite paper bag (lined with black plastic bag)Shipment: By Courier Suitable for under 50kgs, delivery 3-4 days. High cost, but door to door service. Easy to pick up the goods. 2. By Air Suitable for more than 50kgs, delivery 4 to 5 days. High cost, airport to airport, professional forwarder needed. 3. By Sea Suitable for more than 500kgs. Delivery 15 to 45 days, low cost, port to port, professional forwarder needed. FAQQ: Do you provide samples ? Is it free or extra ?A: Yes, we could offer the sample for free charge but you need to pay the cost of freight.Q: How can I get the new price of a product?A: Please provide the exact or approximate quantity, packing details, destination port or special requirements, then we could give you the price accordingly.Q: How to guarantee the product quality?A: We have the quality control system ISO9001:2008, and it's been followed strictly. We also have the professional QC team, and each our package worker will be in charge of the final inspection according to the QC instruction before packing.Q: How long is the lead time?A: Except OEM products, generally 5-7 days for trial order, 10-20 days for mass order once deposit received.Q: How about your after-sale service ?A: If any technical or quality problem after you receive the cargo, you can contact us any time.If the problem caused by us, we will send you free goods for replacement or refund your loss.Q:Can we pay a visit to your factory?A:You're warmly welcoming to visit our plant. And please inform us your scheduled in advance, we'll pick you up and arrange the visit for you.Q: Do you have any experience with exporting?A:Yes, We've been in export for 20 years more, and have a global sales network reaching all around the world.Q: Can I use my own design package?A:Yes, The package can be with your logo.
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