Sodium Carbonate Merck 1063921000 Soda Ash

Sodium Carbonate Merck 1063921000

Sodium Carbonate (Na₂CO₃), commonly known as soda ash or anhydrous soda, is a highly pure chemical compound used in various laboratory and industrial applications. Merck is a brand that produced high-quality grade of sodium carbonate suitable for analytical procedures and follows the stringent standards of EMSURE® quality, ensuring accuracy and reliability in critical testing environments.

Sodium Carbonate (Na₂CO₃)

• Synonyms:
  • Anhydrous soda
  • Calcined soda
  • Carbonic acid disodium salt
  • Soda ash

Identifiers:

• Linear Formula: Na₂CO₃
• CAS Number: 497-19-8
• Molecular Weight: 105.99 g/mol
• Beilstein Registry Number: 4154566
• MDL Number: MFCD00003494
• UNSPSC Code: 12352302
• EC Index Number: 207-838-8
• NACRES Code: NA.21

Sodium Carbonate Merck 1063921000 Properties:

• Agency:
  • Reag. ISO
  • Suitable for methods:
    • SM 2310
    • SM 2320
    • SM 4500-NH3
• Quality Level: 300
• Product Line: EMSURE®

Chemical Composition:

• Assay: ≥99.9% (dry basis, acidimetric)
• Form: Powder

Toxicity:

• Potency: 4090 mg/kg (LD50, oral, Rat)

Physical Properties:

• Loss on Drying: ≤1% at 300°C
• pH: 11.16 (in 4 g/L H₂O solution at 25°C)
• Melting Point: 851°C (lit.)
• Solubility: 212.5 g/L in water

Sodium Carbonate Functions and Applications:

1. Buffering Agent: Sodium carbonate is used as a buffering agent in various chemical reactions and industrial processes due to its ability to maintain pH stability.
2. Water Softening: It is commonly used to soften water in industrial and laboratory applications by removing calcium and magnesium ions.
3. Laboratory Reagent: As a high-purity reagent, it is essential for titrations and analytical methods in laboratories, including in environmental testing such as water quality analysis.
4. Cleaning Agent: Its strong alkaline properties make it an effective cleaning agent, often used in glassware cleaning.
5. Chemical Manufacturing: Sodium carbonate is a vital raw material in the manufacturing of various chemicals, including glass, detergents, and ceramics.