This work reports the use of polyphosphoric acid (PPA) for the modification of formulated bitumen. Molecular Formula. The structure calculated using MOPAC PM3 is shown in Figure 24. CAS Number. Polyphosphoric Acid, 115%. Chloride (Cl) 0.001% max. Print infocard Open Brief Profile. POLYPHOSPHORIC ACID reacts exothermically with chemical bases (examples: amines, amides, inorganic hydroxides). PPA is a reactive oligomer, a short-chain polymer, whose reaction with bitumen is poorly understood. Phosphoric acid (H 3 PO 4) 115.0% min. The benefits of PPA are demonstrated in conventional and Superpave™ testing procedures, as well as… In an effort to better understand their reaction, the chemical characteristics of PPA and bitumen are reviewed. Regulatory process names 2 CAS names 1 IUPAC names 4 Other names 1 Other identifiers 19 . Polyphosphoric Acid, 115%. Application summary: Asphalt and bitumen additive; Intermediate to produce phosphate esters e.g. P 2 O 5. Bitumen finds great use in paving and roofing applications. Mechanism of Polyphosphoric Acid and Phosphorus Pentoxide−Methanesulfonic Acid as Synthetic Reagents for Benzoxazole Formation. Shop a large selection of Inorganic Acids products and learn more about Polyphosphoric Acid, Reagent grade, 115% H3PO4 basis, Honeywell. Polyphosphoric acid (PPA) is a proven modifier that improves the properties of asphalt binder. Although bicyclo[2.2.2]octane moiety cuts π-electron conjugate system, it keeps the linear and rigid molecular structure as shown in Figure 24. H n+2 P n O 3n+1 Specifications . The molecular structure is based on structures generated from information available in ECHA’s databases. With this objective, an in-depth literature review on PPA modification was firstly performed. 25g; Poly Bottle. ChEBI Name polyphosphoric acid: ChEBI ID CHEBI:52641: Definition A polymerized phosphorus oxoacid of general formula HO[PO 2 OH] n H formed by condensation of orthophosphoric acid molecules and containing a backbone chain consisting of alternating P and O atoms covalently bonded together. Product Name. Product Information . Reacts with or corrodes active metals, including such structural metals as … 8017-16-1 - Polyphosphoric acid - Searchable synonyms, formulas, resource links, and other chemical information. Polyphosphoric acid cyclization of phosphinate 168 provided isophosphinone derivative 169 <1997BMC1327>. Fluorine (F) 0.0005% max. Miscellaneous – PPA is used in metal treatment and as an asphalt and bitumen additive. Iron (Fe) 0.002% max. 8017-16-1. Polyphosphoric acid can be used in organic synthesis for cyclization, acylation and to produce phosphate esters that are being used in various industries. The reactions can generate large amounts of heat in small spaces. The Journal of Organic Chemistry 1997 , 62 (11) , 3552-3561. Over the recent years, bitumen modification with polymers, acids, or mineral fillers has gained relevance to adjust its performance properties. Organic Synthesis – Polyphosphoric Acid (PPA) is used to make phosphate esters, acid phosphates and pharmaceuticals.It is a good ring closing reagent. 83.3% min. Chroma (Hazen) 40 max. 3 Effective date : 12.07.2014 Page 2 of 8 Phosphoric Acid,ACS Created by Global Safety Management, Inc. -Tel: 1-813-435-5161 - www.gsmsds.com Polyphosphoric acids, ammonium salts. flame retardants for the textile industry; Drying and dehydrating agent Safety Data Sheet according to 29CFR1910/1200 and GHS Rev. Dehydrating Agent – It is used as a strong drying and dehydrating agent. Solvent – It can be used as a reaction medium and solvent. ... Molecular structure. 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2020 polyphosphoric acid structure