433314
Pyrophosphoric acid
technical grade
Synonym(s):
Diphosphoric acid
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About This Item
Linear Formula:
(HO)2P(O)OP(O)(OH)2
CAS Number:
Molecular Weight:
177.98
NACRES:
NA.21
PubChem Substance ID:
UNSPSC Code:
12352106
EC Number:
219-574-0
MDL number:
Assay:
≥94% (by NaOH, titration)
Form:
liquid, solid, waxy solid
Grade:
technical grade
grade
technical grade
Quality Segment
assay
≥94% (by NaOH, titration)
form
liquid, solid, waxy solid
technique(s)
ion chromatography: suitable
impurities
≥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)
InChI key
XPPKVPWEQAFLFU-UHFFFAOYSA-N
Application
Pyrophosphoric acid (diphosphoric acid) may be used in the following processes:
- As chemical activator in the preparation of activated carbon from leather waste.
- To modify the surface of calcium hydroxyapatite in order to improve the surface functionality.
- To modify the surface strontium aluminate nanoparticles potential applications in super-long time in vivo imaging.
- Synthesis of bis(diisopropylammonium) dihydrogendiphosphate trihydrate (DIPAP).
- Synthesis of novel 3-methoxybenzylammonium cation diphosphate.
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signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 4 Oral - Skin Corr. 1B
Storage Class
8B - Non-combustible corrosive hazardous materials
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
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