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Phthalic anhydride PA Plastic Plasticizers White Scale Powder CAS 85-44-9

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Phthalic anhydride PA Plastic Plasticizers White Scale Powder CAS 85-44-9

Brand Name : FOUNDRYCHEM
Certification : SGS ISO9001 REACH
Place of Origin : CHINA
MOQ : Negotiation
Delivery Time : 10-15 days
Appearance : White scale or crystalline powde
Melting color number ≤ : 20
Thermal stability color number ≤ : 50
Crystallization point ≥ : 130.5
Purity % ≥ : 99.5
Free acid content % ≤ : 0.5
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Phthalic anhydride PA Plastic Plasticizers White Scale Powder CAS 85-44-9


Phthalic anhydride (PA)
Product introduction
Phthalic anhydride is white scaly or crystalline powder, the purity of which is greater than 99.5%, and other impurities are free acid (including phthalide, lime bran anhydride, O-Toluic acid, etc.).

YIXING SUNRISE COMMERCE CO.,LTDis the lead manufacturer and exporter to have volume production of Triacetin series,which is widely used in tobacco,food packing material,foundry,medical,field,etc.We also provide other products like PC(Propylene Carbonate),EGDA(Ethylene Glycol Diacetate),FA(Furfuryl alcohol),which widely used in foundry industry.
Also,we have a series of products widely used as solvent in coating and paints&ink industry,like IPAC(Iso-propyl acetate),NPAC(N-propyl acetate),and SBAC(Sec butyl acetate)...
Our main market is in Europe,Japan,Korea,Australia,South Asia,etc. with great capacity and quality of products we won customers' trust and we aim at providing quality and products and better services on a global basis.


Product use
Phthalic anhydride is a kind of important organic raw materials, with more than 60% used for the manufacture of PVC plasticizers, 30% for polyester resin and alkyd resin, and the remaining 10% for dye, medicine and pesticide, etc.
1, Plasticizer: Phthalic anhydride reacts with two molecular mass alcohols and generates phthalate esters, as plasticizers, with good plasticity, solubility, good gloss, and good thermal stability.
2, Unsaturated polyester resin: Phthalic anhydride, together with another unsaturated dicarboxylic acid or anhydride, after the condensation polymerization with dihydric alcohol in high temperature, shall be added with crosslinking agent, while the thermosetting resin generated after the cross-linking and solidity of polymerization inhibitor and antiager is used for processing glass steel, very extensive in use.
3, Alkyd resin: It is made by grease or oleic acid modification with the reaction from phthalic anhydride and polyols, alkyd resin is the resin widely used in coating, used for surface protection and decoration, and used in ink and adhesive as well
4, Dyes and pigments: Phthalic anhydride is an important raw material for making vat dyes, disperse dyes, reactive dyes and organic dyes.
5, Medicine and pesticide: It is the raw material for making antibiotics, food additives, (preservatives and saccharin), gastrointestinal drugs, sedatives, and disinfection mercurochrome in medicine; it is used for making herbicide, fungicide, insecticide and others in pesticide.

Specification

Molecular FormulaC8H4O3
Molecular Weight148.12
CAS NO85-44-9
ApplicationPhthalic anhydride is a kind of important organic raw materials, with more than 60% used for the manufacture of PVC plasticizers, 30% for polyester resin and alkyd resin, and the remaining 10% for dye, medicine and pesticide, etc.
SpecificationItemindex
Superior qualityFirst-classQualified product
AppearanceWhite scale or crystalline powderWhite scale or crystalline powder slightly with other tones
Melting color number ≤2050100
Thermal stability color number ≤50150
Crystallization point ≥130.5130.3130
Purity % ≥99.599.599
Free acid content % ≤0.50.50.5
Ash content %≤0.05
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