The company is committed to becoming an important force in TMA, high purity PMDA, PA OX BASE industry to serve customers, and an excellent enterprise that satisfies customers and employees trust.Our company focuses on quality assurance and after-sales service, and strives to build the high quality phthalic anhydride acid value brand to serve our customers.Sustainable development challenges such as climate change, material use, energy demand, water resource utilization, and health and safety have spawned new customer needs and legislative considerations. We have a culture of continuous improvement and are always looking for ways to enhance our products and services. We strive to ensure that social responsibility is integrated into corporate strategy, operation and management. We strive to provide high-quality products and excellent customer service. We rely on advanced equipment for a large number of technological innovations and continuous product development and production applications.
  • Phthalic Anhydride
    Phthalic anhydride (CAS 85-44-9), purity 99.5%. We can provide both OX-BASE PA and NP-BASE PA. Our OX-BASE PA exceeds the national standard for superior grade.
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  • Pyromellitic Dianhydride
    Pyromellitic Dianhydride (CAS 89-32-7),We offer two grades of content: 98% and 99.5% .99.5% grade is the primary product for exporting. It is mainly used as a monomer for the synthesis of polyimide
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  • N,N-Methylenebisacrylamide
    N,N'-Methylenebisacrylamide (MBA) (CAS 110-26-9) ,is also known as methylene bis-acrylamide.It is white powder,odorless,minimal hygroscopicity.It is easy to self-crosslink in case of high
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  • Polyester Polyols For Polyurethanes
    Polyester polyols are an important material for the manufacture of polyurethane hard foam insulation, soft foam, adhesives, elastomers, paints, inks, sealants, leather resins, shoe resins, TPU, and
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  • Polymeric MDI
    Poly[methylene(polyphenyl) isocyanate] is a diisocyanate-diphenylmethane(MDI)-based composition containing some higher functionality isocyanates. The functionality is about 2.6-2.7. It is a brown
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  • 1,3-Bis(4-aMinophenoxy)benzene
    1, 3-bis (4-aMinophenoxy)benzene, TPE-R, CAS 2479-46-1, molecular formula C18H16N2O2, molecular weight 292.3318. It is a kind of chemical intermediate, containing two ether bonds and three benzene
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  • 3,3’,4,4’-Biphenyl Tetracarboxylic Diandhydride
    3,3 ',4,4 '-Biphenyl tetracarboxylic diandhydride, also known as BPDA, CAS 2420-87-3, molecular formula C16H6O6, used in the production of polyimide products and composites, pharmaceutical
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  • Diphenylmethane
    Diphenylmethane (CAS 101-81-5), with a purity of 99.0% minimum, has aromatic properties and serves as an important intermediate in organic synthesis. It and its derivatives are widely used in various
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  • Trimellitic Anhydride
    Trimellitic Anhydride (CAS 552-30-7), Purity 97% min, is a white, flaky solid and primarily used to produce the PVC plasticizer dioctyl trimeric acid (TOTM).
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  • Maleic Anhydride
    Maleic anhydride (CAS 108-31-6), Purity 99.%min, we can supply Reach certificate.In stock.
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  • Fumaric Acid
    Fumaric acid (CAS 110-17-8). We can provide industrial grade, feed grade, and food grade. Feed and food grades are white crystalline powders that are non-adhesive, have good fluidity, and possess an
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  • 4,4 Diaminodiphenyl Ether
    4,4'-Diaminodiphenyl Ether, also known as ODA (4,4'-Diaminodiphenyl Ether), is an important organic compound with the formula C12H12N2O and a molecular weight of 200.24.
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Phthalic acid | Synthesis, Uses, Structure | Britannica...

Web ResultThe annual production of phthalic anhydride exceeded 1,000,000 metric tons in the late 20th century; most of it was used as an ingredient of polyesters, including alkyd resins (vehicles for...

21.5: Chemistry of Acid Anhydrides - Chemistry LibreTexts...

Web Result21.5: Chemistry of Acid Anhydrides. write an equation to illustrate the preparation of an acid anhydride from an acid halide and the sodium salt of a carboxylic acid. identify the product...

21.5: Chemistry of Acid Anhydrides - Chemistry LibreTexts...

Web ResultAcid anhydrides react with ammonia, 1 o, or 2 o amines to form the corresponding amides. Two molar equivalents of amine are required. It is important to run this...

Phthalic anhydride - NIST Chemistry WebBook...

Web ResultOther names: 1,3-Isobenzofurandione; ESEN; Phthalandione; Phthalic acid anhydride; Retarder AK; Retarder ESEN; Retarder PD; TGL 6525; Vulkalent B/C;...

Phthalic anhydride | C6H4(CO)2O | CID 6811 - PubChem...

Web ResultExposure to higher concentrations of phthalic anhydride in air (1.63 +/- 0.13 mg/cu m, n=2) resulted in a body load of phthalic acid which was not totally cleared overnight, and with...

Phthalic anhydride ACS reagent, = 99 85-44-9 - MilliporeSigma...

Web Result24859242. NACRES: NA.21. Pricing and availability is not currently available. Recommended Products. Sigma-Aldrich. 125733. Phthalic anhydride. View...

Our mission is to become the best solution provider in the field of NEOPENTYL GLYCO for upr resin, Tetraethylammonium hydroxide for ptc through cooperation with customers, suppliers, and innovative partners. As one of the leading phthalic anhydride acid value manufacturers and suppliers in China, we warmly welcome you to buy high purity phthalic anhydride acid value made in China here from our factory. All chemical products are with high quality and competitive price.
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