????
|
|
???? ??
- ???
- -20°C
- ?? ?
- 550 °C
- ??
- 2.06 g/mL at 25 °C
- ???
- 2 hPa (20 °C)
- ?? ??
- Store below +30°C.
- ???
- ???(? ???), ?(? ???)
- ??? ??
- ?? ??
- ?? ?? (pKa)
- 0.91[at 20 ℃]
- Specific Gravity
- 2.06
- ??
- ???
- ??
- Odorless
- ???
- ??? ? ??
- ??
- Hygroscopic
- Merck
- 14,7580
- ???
- ????. ?? ??? ???? ????. ???.
- InChI
- 1S/O5P2.H3O4P/c1-2-7-4-3-6(1)5-7;1-5(2,3)4/h;(H3,1,2,3,4)
- InChIKey
- FVYIVXLIMHNYTD-UHFFFAOYSA-N
- SMILES
- [P](=O)(O)(O)O.[p]21[o][p]([o][o]2)[o][o]1
- CAS ??????
- 8017-16-1(CAS DataBase Reference)
??
- ?? ? ?? ??
- ?? ? ???? ?? (GHS)
| ??? ?? | C | ||
|---|---|---|---|
| ?? ???? ?? | 34 | ||
| ????? | 45-36/37/39-25-26 | ||
| ????(UN No.) | 3264 | ||
| WGK ?? | 1 | ||
| TSCA | TSCA listed | ||
| ?? ?? | 8 | ||
| ???? | III | ||
| HS ?? | 28092000 | ||
| ???? ??? | 8A - Combustible corrosive hazardous materials | ||
| Hazard Classifications | Eye Dam. 1 Met. Corr. 1 Skin Corr. 1B |
||
| ?? ?? ??? | 8017-16-1(Hazardous Substances Data) | ||
| ???? ?? | KE-29024 |
???? C??? ??, ??, ??
??
???? ?????, ???? ??? ??? ???? ??????? ????, ? ????????????? ????. ????? ?? ??? ???? ????????? ???? ??? ??? ????. ??? ???? ?? ???? ? ?? ????? ??, ???, ?? ? ???? ?? ????? ?? ??????(????) ?? ??, ???? ??? ????? ?????.??
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).??? ??
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.??
Polyphosphoric Acid is a ligand used as an analytical tool to image nanoparticles through photon emission topography. Used also in the synthesis of pharmaceuticals.??
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.?? ??
Polyphosphoric acid (PPA) is widely employed as acylation and alkylation reagent in various reactions. It is a strong mineral acid with excellent dehydrating properties.???
Toxic by ingestion; strong irritant.???
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.???? ?? ?? ? ???
???
?? ??
1H-Pyrazolo[3,4-b]pyridine,3-methyl-(9CI)
liquid crystalline heterocyclic polymer
5-?????-2-?????
2-(3-???-4-??????)??
????? ??
????
5-?????
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
????
??? ???
corrosion and scale inhibitor NJ-213
7-Bromoisoquinoline
3-(????????)-1,2,4-?????[4,3-a]???
4-Oxo-9,10-dihydro-4H-benzo(4,5)-cyclohepta-(1,2b)thiophene
??5-???-2-?????????
5-?????-2-?????
corrsion inhibitor SH-1
2,5-BIS(4-?????)-1,3,4-?????
3-(Trifluoromethyl)-5,6,7,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyrazine
Ziprasidone
4-(1H-INDOL-2-YL)-????
6-(4-FLUOROPHENYL)INDOLE
4-?????-2-(?????????)???
2-(4-ETHOXY-PHENYL)-1H-INDOLE
2-(4-???-??)-1H-??
4-???-2-(????????)???
solid phosphoric acid catalyst T-49
prefiiming agent WT-302-1
prefilming agent-corrosion inhibitor JS-204
2-(???????)-5-???-??
???????????
cleaning and prefilming agent JC-861
??4,6-????-3-???-1H-??-2-???????
2-(TRIFLUOROMETHYL)-5-METHYLQUINOLINE-4-CARBOXYLIC ACID
(5-BROMO-1H-INDOL-2-YL)???
???? ?? ??
???( 410)?? ??
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