VWR L(+)-Potassium sodium tartrate tetrahydrate, TECHNICAL

VWR L(+)-Potassium Sodium Tartrate Tetrahydrate, commonly known as Rochelle Salt, is a versatile compound with technical-grade quality. It is widely utilized in chemical, industrial, and laboratory applications for its unique chemical properties and as a reagent in various reactions.

Key Features:

1. Chemical Composition and Formula:
   • Formula: KOOC(CHOH)₂COONa·4H₂O
   • Molecular Weight: 282.22 g/mol
   • Synonyms: Potassium sodium tartrate, L(+)-Tartaric acid potassium sodium salt tetrahydrate, Sodium potassium tartrate.
2. Physical Properties:
   • Melting Point: 70–80°C
   • Density: ~1.767 g/cm³ (20°C)
   • Form: Crystalline solid.
3. High-Quality Standards:
   • Passes identification tests, ensuring technical-grade quality for reliable results.

Applications:

1. Industrial Uses:
   • Electroplating: Used in silvering mirrors and as a component in plating baths.
   • Food Industry: Employed as a stabilizer and buffering agent in certain food products.
2. Laboratory Applications:
   • Reagent in Fehling’s Solution: Essential in qualitative and quantitative sugar detection.
   • Crystallography: Used in piezoelectric experiments and research due to its unique crystalline properties.
3. Pharmaceutical Research:
   • Stabilizing agent in specific pharmaceutical formulations.
4. Other Uses:
   • Component in optical instruments for polarimetric studies.
   • Calibration material in analytical chemistry.

Technical Specifications:

Safety and Handling:

1. Storage Conditions:
   • Store at ambient temperature in a well-sealed container to prevent moisture absorption.
2. Precautions:
   • Avoid inhalation of dust and contact with eyes or skin.
   • Use appropriate protective gear (gloves, goggles, lab coat).
3. Disposal Considerations:
   • Follow local environmental regulations for disposal.

Synonyms and Alternate Names:

• Common Names: Rochelle Salt, Sodium Potassium Tartrate.
• IUPAC Name: Potassium sodium (2R,3R)-2,3-dihydroxysuccinate tetrahydrate.
• Other Synonyms:
  • (R,R)-(+)-Tartaric acid potassium sodium salt tetrahydrate
  • (+)-Potassium sodium L-tartrate tetrahydrate

Advantages:

• High Stability: Excellent shelf life and resistance to degradation under normal storage conditions.
• Versatile Use: Suitable for various laboratory, industrial, and research applications.
• Reliable Purity: Verified through rigorous quality control processes.

The VWR L(+)-Potassium Sodium Tartrate Tetrahydrate is a robust and essential compound for laboratory, industrial, and research applications. Its technical-grade quality ensures reliability and consistency in diverse chemical processes.