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Sodium Carbonate

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Identification
Molecular formula
Na2CO3
CAS number
497-19-8
IUPAC name
disodium;carbonate
State
State

At room temperature, sodium carbonate is a solid. It is stable and often encountered in a powdered or granular form, making it easy to handle and use in various applications.

Melting point (Celsius)
851.00
Melting point (Kelvin)
1 124.00
Boiling point (Celsius)
1 600.00
Boiling point (Kelvin)
1 873.00
General information
Molecular weight
105.99g/mol
Molar mass
105.9880g/mol
Density
2.5400g/cm3
Appearence

Sodium carbonate appears as a white, odorless, crystalline powder or granular solid. It is hygroscopic, meaning it can absorb moisture from the air, which can cause clumping when stored in humid conditions.

Comment on solubility

Solubility of Disodium Carbonate

Disodium carbonate, with the chemical formula Na2CO3, is commonly known as soda ash or washing soda. It is a white, hygroscopic powder that has a significant role in various chemical processes and applications. When it comes to solubility, disodium carbonate exhibits the following characteristics:

Solubility in Water

Disodium carbonate is highly soluble in water, which makes it particularly useful in industries that require a soluble source of sodium ions. Here are some key points about its solubility:

  • At 20 °C, the solubility of Na2CO3 in water is approximately 22.5 g per 100 mL.
  • The solubility increases with temperature, which means that hot water can dissolve more of the compound.
  • It ionizes in solution to produce Na+ and CO32− ions, contributing to its ability to function as a buffer in various solutions.

Interaction with Other Solvents

While disodium carbonate's solubility in water is noteworthy, its behavior in other solvents differs:

  • It is practically insoluble in organic solvents such as ethanol or acetone.
  • The polar nature of water plays a crucial role in its solubility, while non-polar solvents do not facilitate the dissolution of this compound.

In summary, disodium carbonate's excellent solubility in water and minimal solubility in organic solvents highlight its utility in diverse chemical processes. As a soluble compound, it acts effectively in applications ranging from cleaning agents to food processing.

Interesting facts

Interesting Facts About Disodium Carbonate

Disodium carbonate, commonly known as soda ash or washing soda, is a fascinating compound with a wide array of applications and properties. Here are some intriguing insights:

  • Industrially Important: Disodium carbonate is primarily used in the manufacture of glass, ceramics, and detergents, making it a key player in several industrial processes.
  • pH Regulation: Due to its alkaline nature, it is often utilized to adjust the pH levels in swimming pools and other industrial applications, promoting a safe and balanced environment.
  • Water Softening: This compound acts effectively as a water softener by precipitating calcium and magnesium ions, which can then be easily removed, thus improving the effectiveness of soaps and detergents.
  • Food Industry: Disodium carbonate finds its way into the food industry as a food additive (E500) to regulate acidity and act as a stabilizer in various products.
  • Environmental Impact: It can be considered an eco-friendly compound, as it does not contribute significantly to environmental pollution when used responsibly.

Fun Fact:

Historically, the presence of naturally occurring disodium carbonate, commonly known as natron, was vital in ancient Egyptian society as it was used in the mummification process and as a cleaning agent!

As you explore the properties and applications of disodium carbonate, remember its significance in both industrial and everyday contexts, showcasing the diverse roles that chemical compounds play in our lives.

Synonyms
SODIUM CARBONATE
497-19-8
Soda Ash
Sodium carbonate, anhydrous
Calcined soda
Solvay soda
Washing soda
Sodium carbonate anhydrous
Soda, calcined
Soda-ash
Snowlite I
Light Ash
Natrum carbonicum
V Soda
Natriumkarbonat
Soda Ash Light 4P
Suprapur 6395
Crystol carbonate
Bisodium carbonate
Caswell N0 752
Na2CO3
Anhydrous sodium carbonate
Natrium Carbonicum Siccatum
Na-X
Natrium Carbonicum Calcinatum
Sodium carbonate (anhydrous)
CCRIS 7319
HSDB 5018
Sodium carbonate (2:1)
V 20N
EINECS 207-838-8
EPA Pesticide Chemical Code 073506
NSC 156204
Sodium carbonate (Na2(CO3))
Sodium Carbonate, Anhydrous ASTM D458
INS NO.500(I)
UNII-45P3261C7T
CHEBI:29377
INS-500(I)
Sodium Carbonate, Anhydrous GE Materials D4D5
45P3261C7T
NSC-156204
E-500(I)
DTXSID1029621
EC 207-838-8
SODA ASH (II)
SODA ASH [II]
SODIUM CARBONATE (II)
SODIUM CARBONATE [II]
SODIUM CARBONATE (MART.)
SODIUM CARBONATE [MART.]
SODIUM CARBONATE (EP MONOGRAPH)
SODIUM CARBONATE [EP MONOGRAPH]
SODIUM CARBONATE ANHYDROUS (MART.)
SODIUM CARBONATE ANHYDROUS [MART.]
SODIUM CARBONATE ANHYDROUS (USP-RS)
SODIUM CARBONATE ANHYDROUS [USP-RS]
NSC156204
SODIUM CARBONATE, ANHYDROUS (EP IMPURITY)
SODIUM CARBONATE, ANHYDROUS [EP IMPURITY]
Calcinated soda
Soda monohydride
Crystal carbonate
Snowlite 1
DTXCID109621
USEPA/OPP Pesticide Code: 073506
207-838-8
getrocknetes natriumkcarbonat
natrii carbonas monohydricus
natrium carbonicum monohydricum
unii-2a1q1q3557
Disodium carbonate
Carbonic acid disodium salt
Carbonic acid, disodium salt
Carbonic acid sodium salt (1:2)
Carbonic acid sodium salt
disodium;carbonate
Sodium salt of carbonic acid
Sodium carbonate [NF]
MFCD00003494
7542-12-3
sodiumcarbonate
Sodium carbonate (NF)
Soda (van)
BUFFER STANDARD SOLUTION PH 10.01,BAG WI TH 30 ML
Dynamar L 13890
Soda Ash Light
Carbonic acid, sodium salt
Disodium carbonate (Na2CO3)
SODIUM CARBONATE, ACS
sodium cabonate
Sodium carbonat
carbonate sodium
sodium-carbonate
Eluent 3: 0.5M Na2CO3
Dried sodium carbonate
Caswell No. 752
sodium carbonate sodium
sodium sodium carbonate
Sodium carbonate, dried
disodium trioxidocarbonate
SCHEMBL25
SODIUM CARBONATE [MI]
SODIUM CARBONATE [FCC]
CHEMBL186314
SODIUM CARBONATE [HSDB]
Dried sodium carbonate (JP17)
NATRUM CARBONICUM [HPUS]
SODIUM CARBONATE [VANDF]
Sodium carbonate anhydrous, powder
Sodium carbonate, biochemical grade
EINECS 231-420-4
DRIED SODIUM CARBONATE [JAN]
AKOS009158235
SODIUM CARBONATE [ORANGE BOOK]
DB09460
Sodium carbonate, anhydrous, ACS powder
1332-57-6
DB-017706
SODIUM CARBONATE ANHYDROUS [WHO-DD]
NS00093521
S0560
D05283
Q190227
Sodium carbonate, anhydrous, granular Trace Metals Grade, 99.99%
Sodium carbonate solution, 0,5 mol/l - 1 N volumetric standard solution
Soda ash, (99% as sodium carbonate or 58% as sodium oxide), technical grade, light