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.

Applications
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

Chemical Identifiers

• CAS: 8017-16-1
• Molecular Formula: (HO3P)n
• MDL Number: MFCD00084480
• InChI Key: NBIIXXVUZAFLBC-UHFFFAOYSA-N
• IUPAC Name: Polyphosphoric acid
• SMILES: [H]OP(O)(O)=O

• Density: 2.1
• Odor: Odorless
• Sensitivity: Hygroscopic
• Quantity: 100 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

Hazard Category	H290-H314-H335
Hazard Statement	GHS H Statement H314-H318 Causes severe skin burns and eye damage. Causes serious eye damage.
Precautionary Statement	P234-P260-P264b-P271-P280-P301+P330+P331-P303+P361+P353-P304+P340-P305+P351+P338-P310-P363-P390-P501c
DOTInformation	Transport Hazard Class: 8; Packing Group: III; Proper Shipping Name: CORROSIVE LIQUID, ACIDIC, INORGANIC, N.O.S.
EINECSNumber	232-417-0
TSCA	Yes
Recommended Storage	Ambient temperatures

SDS

RUO – Research Use Only