433314

Pyrophosphorsäure

technical grade

• Synonym(e): Diphosphorsäure
• Lineare Formel: (HO)₂P(O)OP(O)(OH)₂
• CAS-Nummer: 2466-09-3
• Molekulargewicht: 177.98
• EG-Nummer: 219-574-0
• MDL-Nummer: MFCD00011343
• UNSPSC-Code: 12352106
• PubChem Substanz-ID: 329756333
• NACRES: NA.21

Eigenschaften

• Qualität: technical grade
• Qualitätsniveau: 200
• Assay: ≥94% (by NaOH, titration)
• Form: liquid; solid; waxy solid
• Methode(n): ion chromatography: suitable
• Verunreinigungen: ≥20% H₃PO₄
• SMILES String: OP(O)(=O)OP(O)(O)=O
• InChI: 1S/H4O7P2/c1-8(2,3)7-9(4,5)6/h(H2,1,2,3)(H2,4,5,6)
• InChIKey: XPPKVPWEQAFLFU-UHFFFAOYSA-N

Beschreibung

Anwendung

Pyrophosphoric acid (diphosphoric acid) may be used in the following processes:

• As chemical activator in the preparation of activated carbon from leather waste.[1][2]
• To modify the surface of calcium hydroxyapatite in order to improve the surface functionality.[3][4]
• To modify the surface strontium aluminate nanoparticles potential applications in super-long time in vivo imaging.[5]
• Synthesis of bis(diisopropylammonium) dihydrogendiphosphate trihydrate (DIPAP).[6]
• Synthesis of novel 3-methoxybenzylammonium cation diphosphate.[7]

Sicherheitshinweise

• Piktogramme: GHS05,GHS07
• Signalwort: Danger
• H-Sätze: H302,H314
• P-Sätze: P260 - P280 - P301 + P312 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• Gefahreneinstufungen: Acute Tox. 4 Oral - Skin Corr. 1B
• Lagerklassenschlüssel: 8B - Non-combustible corrosive hazardous materials
• WGK: WGK 3
• Flammpunkt (°F): Not applicable
• Flammpunkt (°C): Not applicable