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LABORATORY GRADE

Dipotassium Hydrogen Phosphate Extra Pure

Original price was: $ 19.50.Current price is: $ 19.32.

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Dipotassium Hydrogen Phosphate Extra Pure is a high-purity inorganic salt commonly used in laboratories as a buffering agent, particularly in the preparation of phosphate buffer solutions for biochemical and analytical procedures. It plays a vital role in maintaining stable pH conditions in enzymatic and molecular biology experiments. Additionally, it serves as a source of potassium and phosphorus in various chemical reactions and culture media. This extra pure grade ensures excellent consistency and low levels of contaminants, making it ideal for high-precision lab work. It should be stored in a cool, dry place, tightly sealed to avoid moisture absorption.

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Description

Dipotassium Hydrogen Phosphate Extra Pure

Primary Uses

  1. Buffer Preparation
    • Commonly used to make phosphate buffer solutions in biochemistry, molecular biology, and analytical chemistry.
  2. pH Control
    • Acts as a mildly basic buffering agent to stabilize pH, especially in combination with monopotassium phosphate or phosphoric acid.
  3. Analytical Reagent
    • Employed in volumetric analysis, spectrophotometry, and as a component in media preparations.

Secondary Uses

  1. Culture Media – Used in microbial growth media to provide phosphates and potassium ions.
  2. Reagent-Grade Preparations – Assists in ion chromatography or as a base solution for chemical titrations.
  3. Water Chemistry Studies – Used in ion exchange and phosphate removal experiments.
KEY PRODUCT FEATURES

  1. Basic Identification Attributes

  • Chemical Name: Dipotassium Hydrogen Phosphate
  • Other Names: Potassium phosphate dibasic, Dipotassium phosphate
  • Chemical Formula: K₂HPO₄
  • CAS Number: 7758-11-4
  • Grade: Extra Pure (Laboratory Grade)
  • Molecular Weight: 174.18 g/mol
  • Appearance: White crystalline powder or granules
  • Odor: Odorless

2. Physical & Chemical Properties

  • Melting Point: ~240 °C (decomposes)
  • Solubility in Water: Soluble (149 g/L at 25 °C)
  • pH (1% solution): ~8.6 – 9.6
  • Density: ~2.44 g/cm³
  • Hygroscopicity: Slightly hygroscopic
  • Stability: Stable under normal conditions

3. Safety & Hazard Attributes

  • GHS Classification: Not classified as hazardous
  • Hazard Statements: None (generally considered low hazard)
  • PPE Requirements:
    • Lab coat
    • Safety goggles
    • Nitrile or latex gloves
  • First Aid:
    • Inhalation: Move to fresh air
    • Skin Contact: Wash with soap and water
    • Eye Contact: Rinse with plenty of water
    • Ingestion: Rinse mouth, seek medical advice if unwell

4. Storage & Handling Attributes

  • Storage Conditions:
    • Store in a cool, dry, and well-ventilated area
    • Keep container tightly closed
    • Protect from moisture and incompatible materials (strong acids)
  • Handling Notes:
    • Avoid generating dust
    • Handle with standard laboratory precautions

5. Regulatory & Compliance Attributes

  • EC Number: 231-834-5
  • UN Number: Not applicable (non-hazardous)
  • REACH Registration: Registered
  • DOT Classification (US): Not regulated
  • Hazard Class (Transport): Not classified

6. Laboratory Applications

  • Primary Uses:
    • Buffering agent in biochemical and molecular biology labs
    • Component of phosphate-buffered saline (PBS)
    • Used in fertilizer research and nutrient media
    • pH adjustment in laboratory experiments
  • Other Uses:
    • Food additive (when food-grade)
    • Water treatment studies
    • Reagent in pharmaceutical formulation R&D
SAFETY HANDLING PRECAUTIONS

SAFETY PRECAUTIONS

  • PPE Required:
    • Lab coat
    • Gloves (nitrile or latex)
    • Safety goggles
  • Storage Guidelines:
    • Store in a cool, dry, well-ventilated area
    • Keep container tightly sealed
    • Avoid moisture exposure (hygroscopic in nature)
  • Handling Tips:
    • Use clean, dry tools to avoid contamination
    • Prepare solutions fresh when possible to maintain buffer integrity

FIRST AID MEASURES

  • Inhalation: Move to fresh air; seek attention if irritation persists
  • Skin Contact: Wash with plenty of water and soap
  • Eye Contact: Rinse with water for 15 minutes and consult a physician
  • Ingestion: Rinse mouth; not expected to be toxic in small amounts but seek medical advice

FIRE SAFETY MEASURES

  • Flammability: Not flammable
  • Firefighting Media: Water spray, foam, dry chemical, or CO₂
  • Decomposition Products: May release phosphorus oxides at high temperatures

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