2466-09-3

Name Pyrophosphoric acid
CAS 2466-09-3
EINECS(EC#) 219-574-0
Molecular Formula H4O7P2
MDL Number MFCD00011343
Molecular Weight 177.98
MOL File 2466-09-3.mol
show more

Chemical Properties

Appearance White to very pale yellow glassy solid
Melting point  61 °C
density  approximate 1.9g/ml (25℃)
storage temp.  -20°C, Hygroscopic
solubility  DMSO (Soluble)
form  white crystals
pka 0.99±0.10(Predicted)
color  white crystals, crystalline
PH pKa1= 0.86, pKa2 = 1.76, pKa3 = 5.88, pKa4 = 8.14(25℃)
Water Solubility  709g/100mL H2O (23°C); soluble alcohol, ether [MER06]
Merck  13,8098
Stability: Hygroscopic, Moisture Sensitive
InChI 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
SMILES P(OP(O)(=O)O)(O)(O)=O
Uses
Catalyst, manufacture of organic phosphate esters, metal treatment, stabilizer for organic per- oxides.
CAS DataBase Reference 2466-09-3(CAS DataBase Reference)
EPA Substance Registry System 2466-09-3(EPA Substance)

Safety Data

Symbol(GHS)  Corrosion (GHS05)Exclamation Mark (GHS07)
GHS05,GHS07
Signal word  Danger
Hazard statements  H302-H314
Precautionary statements  P280-P305+P351+P338-P310
Hazard Codes  C
Risk Statements 
R22:Harmful if swallowed.
R34:Causes burns.
Safety Statements 
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
RIDADR  UN 3260 8/PG 2
WGK Germany  3
RTECS  JL6672500
F  3-9-21
HazardClass  8
PackingGroup  III
HS Code  28092000

Raw materials And Preparation Products

Hazard Information

Material Safety Data Sheet(MSDS)

Questions And Answer

Well-known Reagent Company Product Information

Supplier

Related Products

Send Inquriy