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Pyrophosphoric acid Structure

Pyrophosphoric acid

Chemical Properties

Melting point 61 °C
Density  approximate 1.9g/ml (25℃)
storage temp.  -20°C, Hygroscopic
solubility  DMSO (Soluble)
pka 0.99±0.10(Predicted)
form  white crystals
color  white crystals, crystalline
Water Solubility  709g/100mL H2O (23°C); soluble alcohol, ether [MER06]
Merck  13,8098
Stability Hygroscopic, Moisture Sensitive
InChIKey XPPKVPWEQAFLFU-UHFFFAOYSA-N
CAS DataBase Reference 2466-09-3(CAS DataBase Reference)
EPA Substance Registry System Diphosphoric acid (2466-09-3)

Safety Information

Hazard Codes  C
Risk Statements  22-34
Safety Statements  26-36/37/39-45
RIDADR  UN 3260 8/PG 2
WGK Germany  3
RTECS  JL6672500
3-9-21
HazardClass  8
PackingGroup  III
HS Code  28092000

MSDS

Usage And Synthesis

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