16788-57-1

Name Dipotassium hydrogen phosphate trihydrate
CAS 16788-57-1
EINECS(EC#) 231-834-5
Molecular Formula H7K2O7P
MDL Number MFCD00149926
Molecular Weight 228.22
MOL File 16788-57-1.mol
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Chemical Properties

Appearance crystalline solid
Melting point  340°C(anhydrous substance),decomposes
bulk density 800kg/m3
storage temp.  room temp
solubility  H2O: 4 M at 20 °C, clear, colorless
form  Crystalline Powder
pka 7.21
color  White
PH 9.1-9.4 (25℃, 50mg/mL in H2O)
Stability: Stable. Incompatible with strong oxidizing agents.
Water Solubility  SOLUBLE
Sensitive  Hygroscopic
Merck  14,7658
InChI 1S/2K.H3O4P.3H2O/c;;1-5(2,3)4;;;/h;;(H3,1,2,3,4);3*1H2/q2*+1;;;;/p-2
InChIKey XQGPKZUNMMFTAL-UHFFFAOYSA-L
SMILES O.O.O.[K+].[K+].OP([O-])([O-])=O
CAS DataBase Reference 16788-57-1(CAS DataBase Reference)
Absorption ≤0.01 at 260nm
≤0.01 at 280nm

Safety Data

Symbol(GHS) 
GHS07
Signal word  Warning
Hazard statements  H302-H315-H319-H335
Precautionary statements  P261-P301+P312-P302+P352-P304+P340-P305+P351+P338
Safety Statements 
S24/25:Avoid contact with skin and eyes .
WGK Germany  3
TSCA  Yes
HS Code  28352400
Storage Class 13 - Non Combustible Solids

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