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Polyphosphoric acid, ca 84% (as phosphorus pentoxide)

Catalog No. AAL14856AE
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500 mL
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AAL14856AE 100 mL
AAL14856AP 500 mL
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Catalog No. AAL14856AE Supplier Thermo Scientific Chemicals Supplier No. L14856AE
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Description

CAS: 8017-16-1 | (HO3P)n

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.

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

Specifications

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

RUO – Research Use Only