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Polyphosphoric acid, ca 84% (as phosphorus pentoxide), Thermo Scientific Chemicals
Description
Polyphosphoric acid is used as a dehydrating agent, cyclizing agent, acylating agent, analytical reagent and as a ring closing reagent. It is used in the production of phosphate esters, acid phosphates and pharmaceuticals. It is involved in metal treatment and as an asphalt and a bitumen additive. Furthermore, it is employed for the determination of tryptophan and used a reagent for the alkylation and acylation reactions of aromatic and alkenic compounds.
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
Polyphosphoric acid is used as a dehydrating agent, cyclizing agent, acylating agent, analytical reagent and as a ring closing reagent. It is used in the production of phosphate esters, acid phosphates and pharmaceuticals. It is involved in metal treatment and as an asphalt and a bitumen additive. Furthermore, it is employed for the determination of tryptophan and used a reagent for the alkylation and acylation reactions of aromatic and alkenic compounds.
Solubility
Miscible with water.
Notes
Hygroscopic. Keep the container tightly closed in a dry and well-ventilated place. Incompatible with bases. It reacts with water violently to generate heat and phosphoric acid.
Specifications
Specifications
| Density | 2.1 |
| Odor | Odorless |
| Sensitivity | Hygroscopic |
| Quantity | 500 mL |
| UN Number | UN3264 |
| Merck Index | 14,7580 |
| Solubility Information | Miscible with water. |
| Percent Purity | ∼84% |
| Assay | (as phosphorus pentoxide) |
| Chemical Name or Material | Polyphosphoric acid |
Safety and Handling
- Polyphosphoric acid
- Danger
- Serious eye damage/eye irritation Category 1
- Substances and mixtures corrosive to metals Category 1
- Skin corrosion/irritation Category 1 B
- H290-May be corrosive to metals.
- H314-Causes severe skin burns and eye damage.
- H318-Causes serious eye damage.
- P280-Wear protective gloves/protective clothing/eye protection/face protection.
- P301+P330+P331-IF SWALLOWED: rinse mouth. Do NOT induce vomiting.
- P303+P361+P353-IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water/ shower.
- P305+P351+P338-IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
- P310-Immediately call a POISON CENTER/doctor/.
- MIXTURE LIST-Contains : Superphosphoric acid
RUO – Research Use Only