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877-24-7 - Potassium hydrogen phthalate, 99% - Phthalic acid monopotassium salt - Potassium biphthalate - A12895 - Alfa Aesar

A12895 Potassium hydrogen phthalate, 99%

CAS Number
877-24-7
Synonyms
Phthalic acid monopotassium salt
Potassium biphthalate

Size Price ($) Quantity Availability
500g 55.62
1000g 100.63
5000g 387.28
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Potassium hydrogen phthalate, 99%

MDL
MFCD00013070
EINECS
212-889-4

Chemical Properties

Formula
C8H5KO4
Formula Weight
204.23
Melting point
297° dec.
Density
1.636
Solubility
Soluble in water. Slightly soluble in alcohol.

Applications

Potassium hydrogen phthalate is used as a primary standard for acid- base titrations as well as for calibrating pH meters and for the preparation of volumetric alkali solutions. It acts as buffer in pH determination. It finds application as a useful standard for total organic carbon testing.

Notes

Incompatible with strong oxidizing agents.

Literature References

Kahr, B.; Bullard, T.; Kurimoto, M.; Yoreo, J. J. Complex organic guests in simple crystals: potassium hydrogen phthalate as case study. Cryst. Res. Technol. 2013, 48 (10), 849-863.

Sudhahar, S.; Kumar, M. K.; Jayaramakrishnan, V.; Muralidharan, R.; Kumar, R. M. Effect of Sm+ Rare Earth Ion on the Structural, Thermal, Mechanical and Optical Properties of Potassium Hydrogen Phthalate Single Crystals. J. Mater. Sci. Technol. 2014, 30 (1), 13-18.

GHS Hazard and Precautionary Statements

Hazard Statements: H303

May be harmful if swallowed.

Precautionary Statements: P312

Call a POISON CENTER or doctor/physician if you feel unwell.

Other References

Merck
14,7612
Beilstein
3637128
Harmonized Tariff Code
2917.39
TSCA
Yes
RTECS
CZ4326000

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