ChemicalBook > CAS DataBase List > Polyphosphoric acid

Polyphosphoric acid

Product Name
Polyphosphoric acid
CAS No.
8017-16-1
Chemical Name
Polyphosphoric acid
Synonyms
PPA;polyphosphoric acids;Super Phos 105;Polyphoshoric acid;acidepolyphosphorique;condensedphosphoricacid;Polyphosphoric acid joyce;83%, P2O5;phospholeum;PPA 105/115
CBNumber
CB6437945
Molecular Formula
(H)n+2.(P)n.(O)3n+1
Formula Weight
0
MOL File
Mol file
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Polyphosphoric acid Property

Melting point:
-20°C
Boiling point:
550 °C
Density 
2.06 g/mL at 25 °C
vapor pressure 
2 hPa (20 °C)
storage temp. 
Store below +30°C.
solubility 
Methanol (Soluble), Water (Soluble)
pka
0.91[at 20 ℃]
form 
Viscous Liquid
Specific Gravity
2.06
color 
Colorless
Water Solubility 
MAY DECOMPOSE
Sensitive 
Hygroscopic
Merck 
14,7580
Stability:
Stable. Incompatible with strong bases. Hygroscopic.
CAS DataBase Reference
8017-16-1(CAS DataBase Reference)
EPA Substance Registry System
Polyphosphoric acids (8017-16-1)
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Safety

Hazard Codes 
C
Risk Statements 
34
Safety Statements 
45-36/37/39-25-26
RIDADR 
3264
WGK Germany 
1
TSCA 
Yes
HazardClass 
8
PackingGroup 
III
HS Code 
28092000
Hazardous Substances Data
8017-16-1(Hazardous Substances Data)
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H290May be corrosive to metals

H314Causes severe skin burns and eye damage

Precautionary statements

P234Keep only in original container.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P303+P361+P353IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P363Wash contaminated clothing before reuse.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
8.07471
Product name
Polyphosphoric acid
Purity
for synthesis
Packaging
500mL
Price
$74.2
Updated
2024/03/01
Sigma-Aldrich
Product number
8.07471
Product name
Polyphosphoric acid
Purity
for synthesis
Packaging
2.5L
Price
$254
Updated
2024/03/01
Sigma-Aldrich
Product number
208213
Product name
Polyphosphoric acid
Purity
reagent grade, 115% H3PO4 basis
Packaging
25g
Price
$49.6
Updated
2024/03/01
Sigma-Aldrich
Product number
208213
Product name
Polyphosphoric acid
Purity
reagent grade, 115% H3PO4 basis
Packaging
1kg
Price
$89.6
Updated
2024/03/01
Alfa Aesar
Product number
L14856
Product name
Polyphosphoric acid, ca 84% (as phosphorus pentoxide)
Packaging
100ml
Price
$33.1
Updated
2024/03/01
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Polyphosphoric acid Chemical Properties,Usage,Production

Description

Superphosphoric acid is made by the concentration of regular wet-process acid up to P2O5 concentrations of 78%. Granular polyphosphates suitable for bulk blending are made by reacting ammonia with regular wet process acid of 52% P2O5 content and using the heat of reaction to drive off water to produce a phosphate melt of 10-43-0, with about 40% of the phosphorus in the polyphosphate form. These materials are, however, not suitable for bulk blending due to their “sticky” nature (10).

Chemical Properties

Viscous, water-white liquid. Water solu- ble. Does not crystallize on standing; hygroscopic. The commercial acid is a mixture of orthophos- phoric acid with pyrophosphoric, triphosphoric, and higher acids and is sold on the basis of its calcu- lated content of H3PO4, e.g., 115%. Superphospho- ric acid is a similar mixture sold at 105% H3PO4. These acids revert slowly to orthophosphoric acid on dilution with water.

Uses

Dehydrating, catalytic, and sequestering agents, for metal treating; many applications where a con- centrated monooxidizing acid is needed; laboratory reagent.

Uses

Polyphosphoric Acid is a ligand used as an analytical tool to image nanoparticles through photon emission topography. Used also in the synthesis of pharmaceuticals.

Uses

Polyphosphoric acid can be used as an analytical reagent in chemical industry and a powerful dehydrating agent for organic synthesis. It is used in production of acid phosphates and pharmaceuticals. Intermediate for production of phosphate esters with high mono-ester content. Polyphosphoric acid can be used as a catalyst during synthesis of dimethyl carbonate from urea and methanol. It is widely employed as acylation and alkylation reagent in various reactions. It can be used as a catalyst in the synthesis of various aromatic ketones. It may be used to prepare silica-supported polyphosphoric acid, an easy to handle, reusable heterogeneous catalyst. Polyphosphoric acid may be used in the synthesis of aromatic sulfones, N-substituted amides and 4-aminobenzophenones. Used as a catalyst and absorbent of ammonia during the synthesis of dimethyl carbonate (DMC). Used as a solvent in the synthesis of hyperbranched polybenzoxazoles.

Definition

ChEBI: A polymerized phosphorus oxoacid of general formula HO[PO2OH]nH formed by condensation of orthophosphoric acid molecules and containing a backbone chain consisting of alternating P and O atoms covalent y bonded together.

General Description

Polyphosphoric acid (PPA) is widely employed as acylation and alkylation reagent in various reactions. It is a strong mineral acid with excellent dehydrating properties.

Hazard

Toxic by ingestion; strong irritant.

Agricultural Uses

Polyphosphoric acid is obtained by heating the wetprocess phosphoric acid. It contains around 72% phosphorus (as P2O5) and represents a series of phosphoric acids containing more than one atom of phosphorus (such as H4P2O7). The general formula is Hn+2PnO3n+1.

Solubility in water

Polyphosphoric acids are miscible with water, hydrolyzing to orthophosphoric acid with the generation of heat. They are insoluble in hydrocarbons and halogenated hydrocarbons. 

Polyphosphoric acid Preparation Products And Raw materials

Raw materials

Phosphoric acid

Preparation Products

1H-Pyrazolo[3,4-b]pyridine,3-methyl-(9CI) liquid crystalline heterocyclic polymer 5-Bromoindole-2-carboxylic acid 2-(3-CHLORO-4-FLUOROPHENYL)INDOLE Potassium triphosphate Pyrophosphoric acid 5-Aminoindole new scale corrosion inhibitor W-331 2-(4-FLUOROPHENYL)-1H-INDOLE-3-CARBALDEHYDE 6-Bromo-2,3-dihydro-4H-chromen-4-one 6-CHLORO-2-(TRIFLUOROMETHYL)QUINOLINE-4-CARBOXYLIC ACID 3-[1,1'-Biphenyl]-4-yl-1,2,3,4-tetrahydro-1-naphthol Zaltoprofen Setiptiline DIPHENYL PHTHALATE corrosion and scale inhibitor NJ-213 7-Bromoisoquinoline 3-(Trifluoromethyl)-1,2,4-triazolo[4,3-a]pyrazine 4-Oxo-9,10-dihydro-4H-benzo(4,5)-cyclohepta-(1,2b)thiophene Ethyl 5-chloro-2-indolecarboxylate 5-Chloroindole-2-carboxylic acid corrsion inhibitor SH-1 2,5-BIS(4-AMINOPHENYL)-1,3,4-OXADIAZOLE 3-(Trifluoromethyl)-5,6,7,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyrazine Ziprasidone 4-(1H-INDOL-2-YL)-PHENYLAMINE 6-(4-FLUOROPHENYL)INDOLE 4-HYDROXY-2-(TRIFLUOROMETHYL)QUINOLINE 2-(4-ETHOXY-PHENYL)-1H-INDOLE 2-(4-BROMO-PHENYL)-1H-INDOLE 4-bromo-2-(trifluoromethyl)quinoline solid phosphoric acid catalyst T-49 prefiiming agent WT-302-1 prefilming agent-corrosion inhibitor JS-204 Ethyl 5-Bromoindole-2-carboxylate SODIUMSTARCHPHOSPHATE cleaning and prefilming agent JC-861 ETHYL 4,6-DICHLORO-3-FORMYL-1H-INDOLE-2-CARBOXYLATE 2-(TRIFLUOROMETHYL)-5-METHYLQUINOLINE-4-CARBOXYLIC ACID (5-BROMO-1H-INDOL-2-YL)METHANOL
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View Lastest Price from Polyphosphoric acid manufacturers

Hebei Weibang Biotechnology Co., Ltd
Product
Polyphosphoric acid 8017-16-1
Price
US $1.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
10 mt
Release date
2024-11-08
Qingdao RENAS Polymer Material Co., Ltd.
Product
Polyphosphoric acid 8017-16-1
Price
US $0.00/kg
Min. Order
20kg
Purity
99%
Supply Ability
20 tons
Release date
2024-09-24
Hebei Chuanghai Biotechnology Co,.LTD
Product
Polyphosphoric acid 8017-16-1
Price
US $5.00-2.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
10000kg
Release date
2024-08-23

8017-16-1, Polyphosphoric acidRelated Search:

Aluminum triphosphate Pentasodium triphosphate hexhydrate sodium hexametaphosphate Phosphorus pentoxide Aluminum chloride Ammonium alcohol polyvinyl phosphate 2,4-PENTANEDIONE, SILVER DERIVATIVE Aluminum acetylacetonate PHENYLSELENOL TRIS(2,2,6,6-TETRAMETHYL-3,5-HEPTANEDIONATO)EUROPIUM(III) METHYL ISOCYANOACETATE SALCOMINE Benzyl isocyanide COBALT(II) ACETYLACETONATE Cupric acetylacetonate 1,1,3,3-TETRAMETHYLBUTYL ISOCYANIDE Tosylmethyl isocyanide TRIS(2,2,6,6-TETRAMETHYL-3,5-HEPTANEDIONATO)DYSPROSIUM(III)

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  • Hn2PnOn2
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