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Monobasic Potassium Phosphate

Pharmaceutical Secondary Standard; Certified Reference Material

Synonym: Monopotassium phosphate, Potassium dihydrogen phosphate, Potassium phosphate monobasic, prim.-Potassium phosphate

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Properties

Related Categories Analytical Standards, Analytical/Chromatography, Chinese Food Contact Materials Regulation GB 9685 2016, Food & Beverage Standards, Food Contact Materials,
Quality Level   300
grade   certified reference material
  pharmaceutical secondary standard
form   neat
application(s)   HPLC: suitable
  gas chromatography (GC): suitable
pKa (25 °C)   (1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid)
mp   252.6 °C (lit.)
density   2.338 g/mL at 25 °C (lit.)
Featured Industry   Pharmaceutical (small molecule)
format   neat
pharmacopeia traceability   traceable to USP 1551139
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

Description

General description

Monobasic Potassium Phosphate is a water-soluble inorganic salt. It is used as a starting material in the synthesis of potassium metaphosphate.

Pharmaceutical secondary standards for application in quality control, provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to the preparation of in-house working standards.

Application

These Secondary Standards are qualified as Certified Reference Materials. These are suitable for use in several analytical applications including but not limited to pharma release testing, pharma method development for qualitative and quantitative analyses, food and beverage quality control testing, and other calibration requirements.

Analysis Note

These secondary standards offer multi-traceability to the USP, EP (PhEur) and BP primary standards, where they are available.

Other Notes

This Certified Reference Material (CRM) is produced and certified in accordance with ISO 17034 and ISO/IEC 17025. All information regarding the use of this CRM can be found on the certificate of analysis.

Footnote

To see an example of a Certificate of Analysis for this material enter LRAB7784 in the slot below. This is an example certificate only and may not be the lot that you receive.

Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
WGK 1
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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