Potassium hydrogen phthalate
NMR quantitative standard, 99.998%
Reagent
Code: #53516
Alias
Potassium hydrogen phthalate; Potassium hydrogen phthalate, potassium hydrogen phthalate, 1,2-monopotassium phthalate
CAS Number
877-24-7
science Other reagents with same CAS 877-24-7
blur_circular Chemical Specifications
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Molecular Information
Weight
204.22 g/mol
Formula
C₈H₅KO₄
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Registry Numbers
EC Number
212-889-4
MDL Number
MFCD00013070
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Physical Properties
Melting Point
295-300 °C (dec.)(lit.)
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Storage & Handling
Density
1.006 g/mL at 20 °C
Storage
room temperature
description Product Description
Used primarily as a primary standard in acid-base titrations and as a quantitative standard in NMR spectroscopy due to its high purity and stability. It ensures accurate calibration of pH meters and standardization of alkaline solutions. Commonly employed in analytical chemistry laboratories for precise measurements. Also utilized in buffer solutions to maintain consistent pH levels in various chemical processes.
format_list_bulleted Product Specification
| Test Parameter | Specification |
|---|---|
| Purity (Trace Metals Analysis) | 99.998-100% |
| Total Metallic Impurities | 0-20 ppm |
| Appearance | White to light yellow powder |
| ICP Major Analysis | Confirms K Component |
| X-ray Diffraction | Conforms to Structure |
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