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Send Inquirypotassium hydrogen phthalate
potassium hydrogen phthalate Specification
- Melting Point
- 295C (decomposes)
- Refractive Rate
- Not applicable (solid material)
- Shape
- Powder or fine crystals
- Structural Formula
- C8H5KO4
- Smell
- Odorless
- Solubility
- Soluble in water (22.1 g/100 mL at 25C)
- Storage
- Store in a cool dry and well-ventilated place in a tightly sealed container
- Usage
- Calibration of pH measurement instruments titration standard solutions research laboratories and analytical chemistry
- EINECS No
- 212-889-4
- Application
- Primarily used as a primary standard in acid-base titrations and calibration of pH meters
- Grade
- Analytical Grade
- Properties
- Highly stable pH buffer non-hygroscopic good solubility in water
- Ingredients
- Potassium hydrogen phthalate (pure compound)
- Poisonous
- NO
- Ph Level
- 4.01 (0.05M solution at 25C)
- Molecular Weight
- 204.22 g/mol
- CAS No
- 877-24-7
- Molecular Formula
- C8H5KO4
- Taste
- Slightly sour taste
- Appearance
- White crystalline solid
- Purity
- 99.9% or higher
- Density
- 1.636 Gram per cubic centimeter(g/cm3)
- Physical Form
- White crystalline powder
- HS Code
- 2918.19.00
- Shelf Life
- Stable under recommended storage conditions indefinite if properly stored
About potassium hydrogen phthalate
Potassium hydrogen phthalate, with a density of 1.636 g/cm3, is a white crystalline powder or fine crystals primarily used for calibration of pH measurement instruments, titration standard solutions, research laboratories, and analytical chemistry. With a melting point of 295C, this compound is soluble in water (22.1 g/100 mL at 25C) and has a pH level of 4.01 in a 0.05M solution at 25C. It is highly stable, non-hygroscopic, and has good solubility in water, making it an ideal pH buffer. This product is of analytical grade with a purity of 99.9% or higher and comes in a tightly sealed container for storage in a cool, dry, and well-ventilated place.
FAQs of potassium hydrogen phthalate:
Q: What is the primary use of potassium hydrogen phthalate?
A: Potassium hydrogen phthalate is primarily used for calibration of pH measurement instruments and as a titration standard in analytical chemistry.Q: What is the solubility of potassium hydrogen phthalate in water?
A: Potassium hydrogen phthalate is soluble in water, with a solubility of 22.1 g/100 mL at 25C.Q: Is potassium hydrogen phthalate considered poisonous?
A: No, potassium hydrogen phthalate is not considered poisonous.Q: What is the shelf life of potassium hydrogen phthalate?
A: When stored under recommended conditions, potassium hydrogen phthalate has an indefinite shelf life.Q: What is the molecular weight of potassium hydrogen phthalate?
A: The molecular weight of potassium hydrogen phthalate is 204.22 g/mol.
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