8017-16-1

Basic information

• Product Name: Polyphosphoric acids
• Synonyms: acidepolyphosphorique;acidesuperphosphorique;condensedphosphoricacid;condensedphosphoricacid(non-specificname);phospholeum;superphosphoricacid;PPA;POLYPHOSPHORIC ACID
• CAS NO: 8017-16-1
• Molecular Formula: (H)n+2.(P)n.(O)3n+1
• Molecular Weight: 81.99580
• EINECS: 232-417-0
• Product Categories: UVCBs-polymer;Acids&Bases;Alternative Energy;ElectrolytesEssential Chemicals;Materials Science;Reagent Grade;Chemical Synthesis;Inorganic Acids;Synthetic Reagents;inorganic acid;Reagent Grade Acids &Acids &Alternative Energy;Analytical Reagents;Analytical Reagents for General Use;Analytical/Chromatography;Bases;Battery Electrolyte Materials;Electrolytes;Essential Chemicals;Materials Science;Reagent Grade;Research Essentials;Organics
• Mol File: 8017-16-1.mol
• Article Data: 0

Chemical Properties

• Melting Point: 16℃
• Boiling Point: 550 °C
• Appearance: Colorless/Viscous Liquid
• Density: 2.06 g/mL at 25 °C
• Vapor Pressure: 2 hPa (20 °C)
• Storage Temp.: Store below +30°C.
• PKA: 0.91[at 20 ℃]
• Water Solubility: MAY DECOMPOSE
• Sensitive: Hygroscopic
• Stability: Stable. Incompatible with strong bases. Hygroscopic.
• Merck: 14,7580
• CAS DataBase Reference: Polyphosphoric acids(CAS DataBase Reference)
• NIST Chemistry Reference: Polyphosphoric acids(8017-16-1)
• EPA Substance Registry System: Polyphosphoric acids(8017-16-1)

Safety Data

• Hazard Codes: C
• Statements: 34
• Safety Statements: 45-36/37/39-25-26
• RIDADR: 3264
• WGK Germany: 1
• TSCA: Yes
• HazardClass: 8
• PackingGroup: III
• Hazardous Substances Data: 8017-16-1(Hazardous Substances Data)

Usage

Description

Polyphosphoric acid, also known as superphosphoric acid, is a highly concentrated form of phosphoric acid with P2O5 concentrations of up to 78%. It is produced by concentrating regular wet-process acid and can be further processed to create granular polyphosphates suitable for various applications.

Uses

Used in Metal Treating Industry:
Polyphosphoric acid is used as a dehydrating, catalytic, and sequestering agent for metal treating processes. Its high concentration and reactivity make it suitable for many applications where a concentrated monooxidizing acid is needed.
Used in Laboratory Research:
Polyphosphoric acid serves as a valuable laboratory reagent, utilized in various chemical reactions and analyses.
Used in Analytical Techniques:
Polyphosphoric acid acts as a ligand and is employed as an analytical tool to image nanoparticles through photon emission topography. This application allows for the visualization and study of nanoparticles at a microscopic level.
Used in Pharmaceutical Synthesis:
In the pharmaceutical industry, polyphosphoric acid is used in the synthesis of various drugs. Its unique properties make it a versatile reagent in the development of new medications and therapies.

Hazard

Toxic by ingestion; strong irritant.