Polyphosphoric acid
Polyphosphoric acid (CAS: 8017-16-1), with the linear formula Hn+2PnO3n+1, is a viscous liquid or solid mixture of polymeric phosphoric acids. It functions as a strong dehydrating agent and a versatile catalyst in organic synthesis. Primarily used as a dehydrating agent, cyclizing agent, and condensation catalyst in chemical manufacturing and research applications. TSS offers this essential inorganic acid for various industrial and laboratory needs.
Dehydrating Agent
Polyphosphoric acid is an effective dehydrating agent, commonly employed in chemical reactions to remove water and drive equilibrium towards product formation. Its strong affinity for water makes it useful in various organic syntheses.
Catalysis in Organic Synthesis
It serves as a potent catalyst for cyclization and condensation reactions in organic chemistry. Its acidic nature facilitates numerous transformations, including esterifications and Friedel-Crafts acylations.
Chemical Intermediate
Polyphosphoric acid is used in the production of other phosphate compounds and specialty chemicals. Its reactive nature allows for its incorporation into various complex molecular structures.
| Linear formula | Hn+2PnO3n+1 |
|---|---|
| Assay | ≥83% phosphate (as P2O5) basis |
| Boiling point | 300 °C(lit.) |
Hazard statements
- H314Causes severe skin burns and eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Transport (UN / ADR) | UN 3264 8 / PGII |
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | C |
| Risk statements (R) | 34 |
| Safety statements (S) | 26-36/37/39-45 |
| Cation traces | As: ≤30 mg/kgCu: ≤1 mg/kgFe: ≤20 mg/kgPb: ≤1 mg/kg |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Polyphosphoric acid used for?
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Polyphosphoric acid is primarily used as a dehydrating agent and a catalyst in organic synthesis for cyclization and condensation reactions. It also serves as a chemical intermediate.
What is the CAS number and formula for Polyphosphoric acid?
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The CAS number for Polyphosphoric acid is 8017-16-1, and its linear formula is Hn+2PnO3n+1.
What grade and purity does Tech Serve Solutions supply for Polyphosphoric acid?
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Tech Serve Solutions supplies Polyphosphoric acid with an assay of ≥83% phosphate (as P2O5) basis. This is typically considered a technical or research grade, and we do not represent it as USP, BP, or EP.
What are the main safety hazards associated with Polyphosphoric acid?
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Polyphosphoric acid is corrosive and can cause severe skin burns and eye damage (H314). Appropriate personal protective equipment, including gloves, goggles, and face shields, must be used. In case of contact, immediately flush with plenty of water and seek medical attention.
How is Polyphosphoric acid packed, shipped, and exported?
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Polyphosphoric acid is shipped under UN 3264, Hazard Class 8, Packing Group II, indicating it is a corrosive liquid, solid, or mixture, acidic, inorganic, n.o.s. TSS adheres to all international shipping regulations for hazardous materials.
How can I request a sample or a quote for Polyphosphoric acid?
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To request a sample or a quote for Polyphosphoric acid, please contact our sales department through the website or by phone, providing your specific requirements.
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