Potassium hydrogen phthalate
for HPLC,>99.5%
Reagent
Code: #93302
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
thermostat
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 as a primary standard in acid-base titrations for calibrating and standardizing solutions of bases, ensuring accurate pH measurements in laboratories.
- Employed in buffer solutions to maintain a stable pH level in various chemical and biological experiments.
- Utilized in the manufacturing of pharmaceuticals to control the acidity or alkalinity of formulations.
- Applied in analytical chemistry for determining the concentration of acids and bases in quantitative analysis.
- Used in the food industry as a pH regulator in certain processed products to ensure consistency and safety.
- Incorporated in educational settings for teaching students about titration techniques and pH measurement.
- Serves as a reference material in quality control processes to verify the accuracy of analytical instruments.
format_list_bulleted Product Specification
| Test Parameter | Specification |
|---|---|
| Purity (HPLC) | 99.5-100% |
| UV Absorption (330 nm) | 0.06 |
| UV Absorption (340 nm) | 0.04 |
| UV Absorption (350 nm) | 0.03 |
| UV Absorption (500 nm) | 0.02 |
| Appearance | Solid |
| UV Absorption | 10% in H2O |
| Solubility | H2O: soluble 100 mg/mL, clear, colorless |
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