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60229 Sigma-Aldrich

Potassium phosphate monobasic

tested according to Ph. Eur., anhydrous

Synonym: Kalii dihydrogenophosphas, Monopotassium phosphate, Potassium dihydrogen phosphate, prim.-Potassium phosphate

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Properties

Related Categories Chemical Synthesis, Inorganic Salts, Potassium, Synthetic Reagents
Quality Level   200
grade   anhydrous
Agency/Method   tested according to Ph. Eur.
assay   98-100.5% dry basis
loss   <2.0% loss on drying
pKa (25 °C)   (1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid)
mp   252.6 °C (lit.)
solubility   water: 208 g/L at 20 °C
density   2.338 g/mL at 25 °C (lit.)
SMILES string   [K+].OP(O)([O-])=O
InChI   1S/K.H3O4P/c;1-5(2,3)4/h;(H3,1,2,3,4)/q+1;/p-1
InChI key   GNSKLFRGEWLPPA-UHFFFAOYSA-M
Safety & Documentation

Safety Information

Personal Protective Equipment 
RIDADR 
NONH for all modes of transport
RTECS 
TC6615500
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable

Documents

Certificate of Analysis (COA)

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Protocols & Articles
Peer-Reviewed Papers
15

References

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